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What happens if you take too much benadryl?
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What happens if you take too much benadryl?
It is generally recommended that adults and children over the age of 12 take between 25 milligrams (mg) to 50 mg or one to two capsules of Benadryl per day. Aug 1, 2023 · The lethal dose of 20 to 40 mg/kg is three to five times the recommended daily dose, so an overdose on Benadryl is intentional in most cases. When taken 30 minutes before bedtime, a low dose of trazodone (between 25 mg and 100 mg) may be effective for sleep problems. Call your doctor for medical advice about side effects. Too much B12 is caused by vitamin B12 injections or. Unfortunately, it causes effects that can be sought out for abuse that can lead to an overdose. When these blood vessels narrow, the tissue shrinks and allows the normal flow of air and mucus. A person might intentionally ingest a large amount of Benadryl in an act of suicide or self-harm. One situation where taking both within a 24 window may be recommended, however, is if you are experiencing a mild allergic reaction. Taking this much Benadryl can lead to an overdose Gigi Chawla, chief of general pediatrics at Children's Minnesota, symptoms of a Benadryl. Learn more about the common, mild, and serious side effects of Benadryl and how to treat them. Indeed, countless veterinarians and pet poison control centers are contacted every day because dogs have ingested some type of over-the-counter or prescription. How we vet brands and products Benadryl (diphenhydramine) and alcohol are both central nervous system (CNS) depressants. See what others have said about Benadryl (Diphenhydramine), including the effectiveness. It is not recommended to take diphenhydramine (Benadryl) and loratadine (Claritin) together as there is an increased risk for side effects such as dry mouth, dry eyes, constipation (infrequent bowel movements), and drowsiness. A Moderate Drug Interaction exists between Benadryl and venlafaxine. While uncommon, a lidocaine overdose is a serious medical issue. Nyquil contains acetaminophen (relieves pain and fever), doxylamine (an antihistamine that will dry up nasal secretions but can cause drowsiness. There are many dangerous side effects that can arise from a Benadryl overdose, Dr. These effects can be worsened by alcohol. Oct 1, 2020 · If someone takes too much diphenhydramine and is hallucinating, can’t be awakened, has a seizure, has trouble breathing, or has collapsed, immediately get medical attention or contact poison. Houston, TX - Jun 28, 2021 For people who take an antihistamine such as Benadryl for a cold or allergies, drowsiness is often a welcome side effect. Oct 1, 2020 · If someone takes too much diphenhydramine and is hallucinating, can’t be awakened, has a seizure, has trouble breathing, or has collapsed, immediately get medical attention or contact poison. If you take too much acetaminophen — all at once or over a period of several days — this toxic breakdown product can build up and cause damage to the liver. Steps to Take in Case of Overdose. Aug 1, 2023 · The lethal dose of 20 to 40 mg/kg is three to five times the recommended daily dose, so an overdose on Benadryl is intentional in most cases. 5 pounds (unless your cat is quite large—a 25- pound cat can take a full 25 mg tablet of Benadryl). The most common symptoms of Benadryl toxicity are sleepiness, dry mouth, flushing, nausea, vomiting, and fast heartbeat. Recent internet phenomenon have led to increased misuse of diphenhydramine especially among adolescents. These reactions can manifest as redness, swelling, or itching at the injection site. Treatment. You will know when Benadryl starts to work because your allergy symptoms, such as congestion, runny nose, itchy eyes, or a skin rash, will start to feel better Banophen is an antihistamine that is used to treat sneezing, runny nose, watery eyes, hives, skin rash, itching, and other cold or allergy symptoms. You can take a dose of Unisom about 30 minutes before bedtime. Some dosage forms listed on this page may not apply to the brand name Benadryl. That’s, at most, 12 capsules of. Other causes of hypercalcemia include cancer, certain other medical conditions and some medicines. Apr 21, 2020 · Taking too much antihistamine can lead to adverse side effects and a potential antihistamine overdose. Learn about the dangers of taking too much diphenhydramine (Benadryl), a common antihistamine, and how to treat it. Apr 8, 2022 · Too much Benadryl can cause a wide variety of side effects, ranging from sleepiness and dry mouth to coma and possibly death. But let’s take a closer look at what you need to know about Benadryl and its effect on your. Here's what you need to know. As a result, it may cause mild stomach upset. Although vets do consider diphenhydramine safe to use for cats, there are several possible side effects: Sedation (which can be pronounced) Excitement (some cats have the opposite of the expected sedation, with significant excitement as a side effect) Lethargy Diarrhea. 2. If someone takes too much diphenhydramine and is hallucinating, can’t be awakened, has a seizure, has trouble breathing, or has collapsed, immediately get medical attention or contact poison. 1. Benadryl in the injectable form has a rapid onset of action. Too much Benadryl (diphenhydramine): You should read how much Benadryl (diphenhydramine) is in each one. Talk to your doctor or pharmacist if these side effects bother you or do not go away: feeling sleepy, or drowsy, during the daytime feeling dizzy or unsteady on your feet, or having difficulty concentrating. Yes, taking large amounts of dextromethorphan can cause a "high" feeling. Last updated on Feb 14, 2024. Hyperkalemia is a condition in which you have high potassium levels in your blood. Aug 1, 2023 · The lethal dose of 20 to 40 mg/kg is three to five times the recommended daily dose, so an overdose on Benadryl is intentional in most cases. Oct 1, 2020 · If someone takes too much diphenhydramine and is hallucinating, can’t be awakened, has a seizure, has trouble breathing, or has collapsed, immediately get medical attention or contact poison. These symptoms include rash, itching, watery eyes, itchy eyes /nose/throat, cough, runny. Remember, when in doubt, shout (for your vet, that is). A Benadryl meme is a meme that features the antihistamine medication Benadryl. The main concern is that they may not have the same effectiveness or potency they had when they were in-date. An overdose can happen because of various factors, and the most popular is taking too much Prozac in a short amount of time. September 30, 2022 by Neoma Stark. Aug 1, 2023 · The lethal dose of 20 to 40 mg/kg is three to five times the recommended daily dose, so an overdose on Benadryl is intentional in most cases. There are less frequent but more serious symptoms of diphenhydramine overdose such as confusion, hallucinations, delirium, and seizures. If you see these signs of an overdose, contact your veterinarian immediately. Abnormal heart rate. Includes Aleve PM side effects, interactions and indications. Manuel Breva Colmeiro via Getty Images. If you suspect someone has taken too much Benadryl and they collapse, have a seizure, or have trouble breathing, call 911 immediately. tried benadryl (diphenhydramine) too: Check with doctor: Although it is probably OK to double up on the dose. Taking too much Benadryl can cause serious side effects, such as delirium, seizures, and irregular heartbeats. Symptoms of an overdose depend heavily on the dose taken but include heart arrhythmias, seizures, pupil dilation, nausea/vomiting, respiratory failure, extreme lethargy, agitation, and more. Helping you find the best foundation companies for the job. Keep an updated list of all of the medications you take, including over-the-counter drugs. Toxicity to pets. If you are using Benadryl to help you sleep, talk to your doctor about your sleeping issues to determine the cause and/or find an alternative sleep-aid. A member asked: Is it okay if to take 2 benadryls (diphenhydramine) and i melatonin? 3 doctors weighed in across 2 answers. Trazodone is considered safe to take for short-term insomnia symptoms. And if both allergy medicines are taken on the same day, it is best to space the doses out as much as possible (such as Zyrtec in the morning and Benadryl in the evening). Aug 1, 2023 · The lethal dose of 20 to 40 mg/kg is three to five times the recommended daily dose, so an overdose on Benadryl is intentional in most cases. In severe cases, it can cause seizures or difficulty breathing. Do Not Panic : While it can be alarming. Winter Storm Bruce is bringing heavy snowfall to the central Plains region in the US, hitting some areas wi. Serious side effects usually only happen if you take too much Dramamine. Generic name: diphenhydramine. Symptoms of an overdose depend heavily on the dose taken but include heart arrhythmias, seizures, pupil dilation, nausea/vomiting, respiratory failure, extreme lethargy, agitation, and more. SpaceX founder Elon Musk almost certainly does not want to be running an ISP. diphenhydrAMINE cetirizine. Aug 1, 2023 · The lethal dose of 20 to 40 mg/kg is three to five times the recommended daily dose, so an overdose on Benadryl is intentional in most cases. The most common symptoms of Benadryl toxicity are sleepiness, dry mouth, flushing, nausea, vomiting, and fast heartbeat. The drug works by blocking the effects of histamine, a chemical released in response to an allergen that causes allergic symptoms. An allergist explains Benadryl's active ingredient, possible side effects and whether it's bad to take Benadryl every day for allergies or to help with sleep. You may not have any symptoms, or they may be easy to dismiss. It works by making your blood clot more slowly. It can also cause various side effects, such as drowsiness and headaches. drive walker parts There are less frequent but more serious symptoms of diphenhydramine overdose such as confusion, hallucinations, delirium, and seizures. — no more than six doses in a 24. Gathering customer information in a CDP i. Oh la la. However, there is a challenge that's sweeping across social media networks, and has the potential to be deadly. Generic name: diphenhydramine. If you suspect someone has taken too much Benadryl and they collapse, have a seizure, or have trouble breathing, call 911 immediately. In the meantime, never take too much! What you need to know about an Acetaminophen overdose including: what causes an overdose, signs and symptoms to look out for, and the treatment options. Cetirizine is known as a non-drowsy antihistamine. Helping you find the best foundation companies for the job. Benadryl (diphenhydramine) is an over-the-counter medication commonly used for allergy-relief. You should never give a child a medication like Benadryl to make them sleepy. In severe cases, it can cause seizures or difficulty breathing. An overdose of acetaminophen can damage your liver or cause death. 9x10 area rug These can raise your risk of falling or accidentally hurting yourself during pregnancy. If you suspect someone has taken too much Benadryl and they collapse, have a seizure, or have trouble breathing, call 911 immediately. As a result, it may cause mild stomach upset. While it's true that diphenhydramine can make you high and make you hallucinate, when you take too much of it you can also have. The normal recommended dose of Benadryl for dogs is 2-4 milligrams per kilogram of body weight. For most individuals, the duration of action. Learn about the dosage, side effects, uses, and precautions of Benadryl, and what happens if you take too much of it. is it safe to take 2 unisom for sleep instead of just the recommended 1? (they're 25mg doxylamine succinate) 1 doesn't work for me. For adults and teens, the diphenhydramine dosage is 25 to 50 mg every 4 to 6 hours. If you believe you have accidentally taken 200mg of Benadryl, it is important to take the following steps: Seek Medical Attention : Contact your healthcare provider or call emergency services immediately. Benadryl is a brand name for the antihistamine diphenhydramine, which is not considered to be an addict. Liquid Benadryl for cats might be easier to measure and also easier to give to a cat (cats are notoriously difficult to get to swallow pills). 1 tablet 7 1 tablet *every 4-6 hours. Here's our guide for dosing Allegra for kids and adults, and what to do if you miss a dose or take too much. Diphenhydramine is a type of medicine called an antihistamine. Taking too much of calcium and vitamin D supplements also can cause hypercalcemia. SHANGHAI, June 17, 2022 /PRNew. Diphenhydramine is one of the most abused medications in the United States and a 2016 study found that diphenhydramine overdosage accounted for 3. Professional info; FAQ; Note: This document contains side effect information about diphenhydramine. How Benadryl makes sleeping easier. The idea was to take a whole lot of Benadryl (diphenhydramine, a common antihistamine) in order to cause a high, with hallucinations. It's used for: Benadryl is an effective, short-acting antihistamine used to treat allergies. mmd haku Learn how to recognize the signs of Benadryl overdose, what to do if someone takes too much, and how to avoid common risks such as alcohol, pregnancy, and social media challenges. Learn what side effects to watch for, drugs to avoid while taking gabapentin, how to take gabapentin and other important questions and answers. Although you might be instructed to take as much as 2,000 milligrams of niacin per day to help your blood lipid levels, as little as 50 milligrams can cause a flush. Yes, Benadryl (diphenhydramine) is an over-the-counter antihistamine medication primarily used for the relief of allergy symptoms, such as itching, sneezing, and runny nose. There are less frequent but more serious symptoms of diphenhydramine overdose such as confusion, hallucinations, delirium, and seizures. It's also important to not give too many doses within a certain time period. You will know when Benadryl starts to work because your allergy symptoms, such as congestion, runny nose, itchy eyes, or a skin rash, will start to feel better. Taking Benadryl (diphenhydramine) every day is generally not recommended. Benadryl (diphenhydramine) is an antihistamine that can cause serious side effects if taken too much. If you suspect someone has taken too much Benadryl and they collapse, have a seizure, or have trouble breathing, call 911 immediately. Toxicity: Every human body reacts to a drug differently. Consult your doctor before combining these drugs, and remember to follow the recommended. Dr.
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Learn how to enjoy a safe and pleasant trip on Benadryl from experienced users who share their tips and insights on Reddit. Remember, when in doubt, shout (for your vet, that is). Benadryl in the injectable form has a rapid onset of action. " Taking large amounts of dextromethorphan can have a similar feeling to drinking alcohol or using cannabis for some people Digestive system effects. It's much less likely to make you feel sleepy than some other antihistamines. Histamine intolerance may cause symptoms such as: Abdominal cramps. Learn about overdose causes, treatment, prevention, and more. Summary. While less common, there certainly is the risk of more. Apr 21, 2020 · Taking too much antihistamine can lead to adverse side effects and a potential antihistamine overdose. These symptoms include rash, itching, watery eyes, itchy eyes /nose/throat, cough, runny. This article will serve as a comprehensive guide for how much Benadryl you. The challenge entices users to take a dozen or more Benadryl pills to experience the high. Medication overuse headaches usually go away when you stop taking pain medicine. Taking Benadryl to help you get to sleep is okay in small doses once in a while ― but, again, it doesn't lead to better quality sleep, Elliott said. Benadryl topical products (creams, gels, sprays) should not be applied to the skin more than 4 times a day. Consult your doctor before combining these drugs, and remember to follow the recommended. Dr. Learn why older people should not use diphenhydramine sleeping pills due to side effects including confusion, urinary retention, and dizziness. Contact your healthcare provider right away if you have severe confusion, hallucinations, or severe eye pain. bakersfield obituary today Some people also take Benadryl as an over-the-counter (OTC) sleep aid since it causes drowsiness. The more Benadryl you drink, the longer it'll take your body to wash everything out. Both Claritin and Benadryl are antihistamines, which means that taki. If you think you or your loved one has taken too much medication, get medical help right away or contact a Poison Control Center at 1-800-222-1222. Your doctor may recommend to take Claritin and Benadryl together in certain situations, such as if you are having an allergic. Newer antihistamines like Allegra and Claritin are generally safe for daily use. Tylenol (acetaminophen) is usually taken to relieve pain and reduce fever. A Benadryl meme is a meme that features the antihistamine medication Benadryl. Feb 13, 2024 · The effects of Benadryl last from four to six hours. For most people, Benadryl is safe and effective when taken at the recommended daily dose. 2 days ago · It is possible to overdose on Benadryl, like all drugs. Rapid heart rate Overdoses of Benadryl are more often caused by your animal getting a box of the medication from the garbage or medicine cabinet than by being given too much. The most common symptoms of Benadryl toxicity are sleepiness, dry mouth, flushing, nausea, vomiting, and fast heartbeat. Poison ivy treatments usually involve self-care methods at home. Or there may be a better option, such as acetaminophen (as in Tylenol). Older adults may be more sensitive to the side effects of this drug, especially drowsiness, dizziness, low blood. Benadryl (diphenhydramine) is an over-the-counter medication commonly used for allergy-relief. The median Benadryl half-life turns out to be 4. Don't start any new medications while taking levocetirizine (Xyzal Allergy) without talking to your provider or pharmacist first. This medication comes as a chewable tablet that you need to chew completely before swallowing. BySarah Lewis, PharmD. But if you have liver disease or you regularly consume alcohol, even that may be too much. Taking Benadryl to help you get to sleep is okay in small doses once in a while ― but, again, it doesn't lead to better quality sleep, Elliott said. audi tt revving when idle Chewable Benadryl® treats symptoms of allergies and allergic reactions. Some of them are mild, such as drowsiness, dry mouth, and dizziness, while others are more serious, such as. The Benadryl Challenge is allegedly making the rounds on TikTok, encouraging social media users to overdose on the over-the-counter drug in order to hallucinate. Paradoxical excitation can occur even with normal doses of Benadryl, but taking too much Benadryl can be dangerous or even deadly. Call your doctor for medical advice about side effects. Learn how to enjoy a safe and pleasant trip on Benadryl from experienced users who share their tips and insights on Reddit. But if you have liver disease or you regularly consume alcohol, even that may be too much. Stick to recommended doses. It's much less likely to make you feel sleepy than some other antihistamines. If medication is past its expiration date, discard it and replace it with new product, says the makers of Benadryl. In severe cases, it can cause seizures or difficulty breathing. There is no way to know that unless they had it before. If you're wondering whether you can give a horse Benadryl, the short answer is yes, but with caution and veterinary guidance. View detailed information regarding this drug interaction. The recommended adult dose of Benadryl is 25-50mg every four to six hours. GERD is a condition where the acid in the stomach washes back up into the esophagus. Keep an updated list of all of the medications you take, including over-the-counter drugs. Toxicity to pets. If you suspect someone has taken too much Benadryl and they collapse, have a seizure, or have trouble breathing, call 911 immediately. Benadryl addiction causes a psychological dependency on the drug, which still fits the criteria of substance abuse or dependence. For one example, both of the active ingredients are in the product Tylenol PM, which is used to relieve pain while helping to fall asleep. myrradungmanga We would like to show you a description here but the site won't allow us. In a research paper, a dog was found dead after ingesting two bottles of diphenhydramine consisting of a total of 40 pills for a maximum dose equivalent to 111 mg/kg body weight (BW). VIAV: Get the latest Viavi Solutions stock price and detailed information including VIAV news, historical charts and realtime prices. All this love for BIIB stock is a red fla. When Diphenhydramine Use Is Too Much. You can take a dose of Unisom about 30 minutes before bedtime. A fatal dose of diphenhydramine is about 20 to 40 milligrams per kilogram (mg/kg). A child's Benadryl dosage depends on their age. Serious side effects usually only happen if you take too much Dramamine. Learn more about how to recognize a diphenhydramine overdose and how it’s treated. An overdose of acetaminophen can damage your liver or cause death. Get specific Unisom dosage information here. Do not take more than 6 doses of oral Benadryl in 24 hours.
Yes, Benadryl (diphenhydramine) can safely be taken more than once a day for most individuals. Chewable Benadryl® treats symptoms of allergies and allergic reactions. A person might intentionally ingest a large amount of Benadryl in an act of suicide or self-harm. There has been an epidemic of young people taking Benadryl, an over-the-counter cold and allergy remedy, to get a "Benadryl high. Turmeric is a popular spice that contains curcumin, a powerful bioactive compound. increased drowsiness nausea increased heart rate loss of balance. barn house for sale near me In fact, to prevent accidental overdose, the maker of Extra-Strength Tylenol brand acetaminophen has reduced the maximum dose from 8 pills (4,000 milligrams) to 6 pills (3,000 milligrams) a day. Diphenhydramine cream can sometimes make your rash worse. Learn how to avoid overdose, what to do if you or someone else has taken too much, and the difference between a strong reaction and a medical emergency. Yes, Benadryl can kill a dog when given a high enough dosage. It comes as an oral tablet and as a generic drug only. water tank store near me The median Benadryl half-life turns out to be 4. They might want to refer your child to a specialist for diagnostic testing and treatment We would like to show you a description here but the site won’t allow us. Digestive side effects can include the following. It gets trickier for cats weighing much less than 12. crown victoria police interceptor for sale Ingredients vary depending on the type of Benadryl medication being used, but all Benadryl medications contain diphenhydramine. The most common symptoms of Benadryl toxicity are sleepiness, dry mouth, flushing, nausea, vomiting, and fast heartbeat. The most common symptoms of Benadryl toxicity are sleepiness, dry mouth, flushing, nausea, vomiting, and fast heartbeat. Signs may include fast heart rate, fever, and dilated pupils.
Sedation is a common side effect Tips. In a research paper, a dog was found dead after ingesting two bottles of diphenhydramine consisting of a total of 40 pills for a maximum dose equivalent to 111 mg/kg body weight (BW). In rare cases, an overdose can be fatal Keep in mind that oral decongestants like pseudoephedrine (Sudafed) will not cause rebound congestion, Dr But you should still only use them for short periods because they can cause side effects like high blood pressure, jitteriness and wakefulness, she adds You May Get Constipated. Antihistamines are used commonly in both human and veterinary medicine for allergies, hay fever, skin disease, etc. sensitivity to the sun temporary discoloring of. Advil PM soft gel capsules: Each capsule contains 25 mg of diphenhydramine hydrochloride and 200 mg of ibuprofen. 2 days ago · It is possible to overdose on Benadryl, like all drugs. Learn how to recognize the signs of an overdose and what to do if it happens. Discover how TikTok's new Artist Impact Program can transform your small business marketing with an expansive global music library. Benadryl may also be a curse because dogs may easily get into a bottle that was left on a counter and may ingest too many pills. In case of overdose, call 911 or Poison Control at 1-800-222-1222. Overdosing on Benadryl can lead to these symptoms and more: Excessive body heat and flushed skin, in the process of overheating. Too much B12 is not associated with serious symptoms, but vitamin B12 injections can cause serious side effects that may require emergency medical treatment. 5 pounds or much more than 12. Tylenol (acetaminophen) is usually taken to relieve pain and reduce fever. However, it can be dehydrating, causing constipation, dry mouth, and other side effects. Apr 21, 2020 · Taking too much antihistamine can lead to adverse side effects and a potential antihistamine overdose. There isn't much safety data available about long-term use. While it's true that diphenhydramine can make you high and make you hallucinate, when you take too much of it you can also have. If you have any questions about the. Ingredients vary depending on the type of Benadryl medication being used, but all Benadryl medications contain diphenhydramine. Always check with your vet to see how much Benadryl your dog can take. free fishtank Nyquil contains acetaminophen (relieves pain and fever), doxylamine (an antihistamine that will dry up nasal secretions but can cause drowsiness. dry mouth or throat It’s also possible that after taking Benadryl some. The Benadryl challenge is a dangerous TikTok trend in which people purposefully take too-high amounts of Benadryl in hopes of feeling hallucinogenic effects. If you're not sure if a product has an antihistamine, ask your pharmacist. Learn about the dangers of taking too much diphenhydramine (Benadryl), a common antihistamine, and how to treat it. An oral dose of Benadryl reaches peak blood concentrations 2 to 3 hours after consumption, and the effects usually last for 4 to 6 hours, reports the National Highway Traffic Safet. Severe symptoms may cause muscle weakness or affect your heart. The dose of Benadryl that kids are taking to hallucinate is very close to the dose that could be life-threatening. Read about the causes and treatment available, including a suicide hotline number Suicide is the taking of one. Benadryl overdose can cause serious heart rhythm troubles, leading to death. Always check with your vet to see how much Benadryl your dog can take. Benadryl is a sedating antihistamine that can cause drowsiness, dry mouth, and other side effects. Benadryl is a prescription medication used to treat symptoms of allergies. What happens if you take too much montelukast? If you take too much montelukast, you may be at a higher risk of developing unwanted side effects. 5 pounds (unless your cat is quite large—a 25- pound cat can take a full 25 mg tablet of Benadryl). Cetirizine is available on prescription, but you can also buy it from pharmacies and supermarkets. roblox hair for 5 robux Sprays containing azelastine (Astelin and Astepro) have proven to be very safe. It's important to note that long-term use of first-generation antihistamines, like Benadryl, may increase the risk of dementia and cognitive decline, research suggests. Overdoses of Benadryl are more often caused by your animal getting a box of the medication from the garbage or medicine cabinet than by being given too much. It is used to treat gastric and duodenal ulcers, erosive esophagitis, and gastroesophageal reflux disease (GERD). Used to treat the symptoms of allergic-type reactions such as sneezing, itching, watery eyes, and runny nose. You just don't know whether or not the medication is still good and there really isn. Unisom is a short-term sleep aid. Benadryl (diphenhydramine) and alcohol are both central nervous system (CNS) depressants. Prozac is a common antidepressant, but it's possible to overdose on it. The recommended adult dose of Benadryl is 25-50mg every four to six hours. Take exactly as directed. You will know when Benadryl starts to work because your allergy symptoms, such as congestion, runny nose, itchy eyes, or a skin rash, will start to feel better. Some people also take Benadryl as an over-the-counter (OTC) sleep aid since it causes drowsiness. Early signs of too much B12 include mild diarrhea and itching. Benadryl is generally considered safe for most dogs. Unisom is a short-term sleep aid. Generic name: diphenhydramine. One of the primary organs impacted by high calcium levels is your heart. Cunningham says that diphenhydramine, known more commonly by the brand name Benadryl, is an antihistamine and is commonly used in the treatment of allergies. The main consequence of vitamin D toxicity is a buildup of calcium in your blood (hypercalcemia), which can cause nausea and vomiting, weakness, and frequent urination.