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What happens if i take too much benadryl?
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What happens if i take too much benadryl?
In rare cases, an overdose can be fatal Key takeaways: Benadryl (diphenhydramine) is an antihistamine that treats allergies and cold symptoms. Medicines such as Zyrtec and Claritin are only "non-drowsy" at the FDA-approved dose. However, it is important to be aware that Benadryl and Sudafed can have. Invesco, which led Swiggy's previous round, has marked down the Indian food delivery giant's valuation in its holding to $5 Invesco, which led Swiggy’s previous round, h. Applies to: Benadryl (diphenhydramine) and Tylenol PM (acetaminophen / diphenhydramine) Ask your doctor before using diphenhydrAMINE together with ethanol. Zinc Acetate (Galzin) received an overall rating of 2 out of 10 stars from 1 reviews. Sep 30, 2016 · 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. Histamine is a natural chemical that is released in a pet's body during an allergic reaction. ZzzQuil Nighttime Sleep-Aid is an over-the-counter (OTC) medication that. As mentioned above, the symptoms of a medicine or drug overdose vary on the person, the substance, and the amount taken. First and foremost, you should always follow the labeled instructions on all otc medications. If you take too much montelukast, you may be at a higher risk of developing unwanted side effects. Home remedies, like performing the canalith. Taking too much Benadryl Allergy can lead to serious heart problems, seizures, coma, or death. Mayoral Elections - Mayoral elections involve a lot of campaigning. But every so often, someone reacts quite differently. Key takeaways. If you have a headache disorder such as migraine, most. The maximum amount you should take in one day is 300 mg. Dr Fronzaglia ii, do, ms agreed. Learn about the symptoms and how to treat an overdose and an addiction. Common signs of Diphenhydramine overdose include extreme drowsiness, blurred vision, increased heart rate, confusion, seizures, heart troubles & even coma. Benadryl in the injectable form has a rapid onset of action. Preventing Future Overdoses. However, oral antihistamines such as Benadryl, Zyrtec, Claritin (loratadine), and Allegra (fexofenadine) should generally not be taken at the same time. Get emergency medical help if you have signs of an allergic reaction (hives, difficult breathing, swelling in your face or throat) or a severe skin reaction (fever, sore throat, burning eyes, skin pain, red or purple skin rash with blistering and peeling) Get emergency medical help if you have signs of a heart attack or stroke: chest pain spreading to your jaw or. First 24 hours: Nausea, vomiting, stomach pain, and loss of appetite Apr 7, 2023 · What happens if I take too much Viagra?. Some may find that taking too much melatonin causes them to feel extremely sleepy during unintended times or cause intense. It burns so good. Prednisone is used for inflammatory conditions and allergic reactions, with dosages ranging from 5 to 60 mg daily, depending on the condition. However, you should avoid giving Benadryl to your cat without your vet's guidance, since giving it incorrectly can be deadly. In fact, the product labeling for Benadryl states that it can be dosed every four to six hours, meaning that you can take up to 6 doses per day. Changing up how much vitamin K you're getting each day can prevent warfarin from doing its job. Using diphenhydrAMINE together with venlafaxine may increase side effects such as dizziness, drowsiness, confusion, and difficulty concentrating. Some dosage forms listed on this page may not apply to the brand name Benadryl. Benadryl's active ingredient, diphenhydramine, is one of the ingredients found in multiple other over-the-counter sleep aids including: Tylenol PM. Your dog may become lethargic, sleepy, and have trouble staying awake. For example, nasal steroids, like Flonase (fluticasone propionate), and oral decongestants, like Sudafed (pseudoephedrine), are safe to take together. Per your question, if you took Benadryl at 10 AM, it is safe to take Xyzal later that night. In certain situations, it is possible to take Zyrtec and Benadryl on the same day. When it comes to drinking alcohol with Benadryl, it is recommended that the combination be avoided. Struggles with staying awake According to the Merck Veterinary Manual, the standard dose for Benadryl ® is 2-4 milligrams per kilogram of body weight, or 08 milligrams (mg) of Benadryl ® per pound. Taking too much Benadryl Fastmelt can lead to serious heart problems, seizures, coma, or death. 5% of people 65 years and older do. The main concern is that they may not have the same effectiveness or potency they had when they were in-date. Side effects such as dry mouth, constipation, and confusion may be more likely in older adults. You might call them pain relievers. Learn about this 1950 Mercury custom car created by the Ayala brothers. i've been taking 25mg benadryl (diphenhydramine) 2-3 time a day for about 6 months for involuntary movements. Hey there, pet parents! Today, we're diving into a situation that might have you barking up the worry tree: what to do if you've accidentally given your furry friend a double dose of Benadryl. What's more, an overdose of the "sedating" antihistamines (think Benadryl) can cause adverse events like seizures and hallucinations. Taking them together is dangerous because they can slow down your CNS too much. Rebound headaches, also known as medication overuse headaches, are caused by the frequent or excessive use of pain-relieving and/or antimigraine drugs to treat headache attacks that are already in progress. Both medications are antihistamines so taking them together greatly increases the risk of side effects such as drowsiness, dry mouth, and dizziness. Toxicity to pets. Advertisement As with the duties of mayor, the electio. The number of times you take an antihistamine each day depends on the type of antihistamine. Sudafed ( pseudoephedrine) and Benadryl ( diphenhydramine) can be safely taken together as there is no interaction between the two medications. Histamine intolerance is often difficult to pinpoint or diagnose due to the resemblance of common allergy symptoms. Hydroxyzine (Vistaril) is a prescription medication that treats conditions such as anxiety, itching, and chronic hives in children and adults. Below, you'll find information on typical NyQuil dosages for adults and adolescents ages 12 and older. To calculate Benadryl dosage in milliliters (ml), take your dogs weight in pounds (lbs) and divide it by 2 Liquid dosage is ideal for dogs less than 10lbs and tablets are preferred for dogs weighing more than 10lbs. Get emergency medical help if you have signs of an allergic reaction (hives, difficult breathing, swelling in your face or throat) or a severe skin reaction (fever, sore throat, burning eyes, skin pain, red or purple skin rash with blistering and peeling) Get emergency medical help if you have signs of a heart attack or stroke: chest pain spreading to your jaw or. Diphenhydramine is an antihistamine of the ethanolamine class Upsides. Young children are most at risk for a serious Benadryl overdose. Hydroxyzine is a type of drug called an antihistamine. Symptoms may be treated as they arise if your dog is in a veterinary clinic or hospital. Most medications that might negatively impact glaucoma, or. Difficulty breathing. Benadryl has many uses in humans, as well as canines. The Buddy Alcorn Mercury was one of the best-executed custom cars of its time. Learn why older people should not use diphenhydramine sleeping pills due to side effects including confusion, urinary retention, and dizziness. The rate may change annually for economic reasons but it does not adjust to meet the need. Get emergency medical help if you have signs of an allergic reaction to Benadryl: hives; difficult breathing; swelling of your face, lips, tongue, or throat. While less common, there certainly is the risk of more. But 300 mg is the max amount of Benadryl you can take in 24 hours. Physostigmine is a safe and effective antidote for anticholinergic poisoning. The normal recommended dose of Benadryl for dogs is 2-4 milligrams per kilogram of body weight. If medication is past its expiration date, discard it and replace it with new product, says the makers of Benadryl. Accidentally took 200mg of Benadryl? Read this blog to learn about the potential risks, symptoms, and steps to take in case of an overdose. It's important to identify these side effects and tell your healthcare provider, so they can help you find the dose of levothyroxine that's safe and effective. In addition to these side effects, several other downsides of taking Benadryl are important to keep in mind. If you use the product frequently, it may begin to lose effectiveness over time The amount of Benadryl you give your dog depends on your dog's weight and health status. The maximum amount you should take in one day is 300 mg. Hydroxyzine is a type of drug called an antihistamine. Get emergency medical help if you have signs of an allergic reaction to Benadryl: hives; difficult breathing; swelling of your face, lips, tongue, or throat. This list is not complete. I took 4 tablets of benadryl (diphenhydramine) and i'm 16 years old can that harm me? and what will happen if i take 5 ? A doctor has provided 1 answer Answer. For the most current information about a financial product, you should always check and confirm accuracy wi. No big risks: Adderall, a stimulant, and. Benadryl Dosage for Dogs. Help from Poison Control is available at wwworg and by phone at 1-800-222-1222. If you are concerned about your cat then call your veterinarian for advice. We would like to show you a description here but the site won't allow us. We would like to show you a description here but the site won't allow us. timer in siemens plc Apply calamine lotion or creams containing menthol. Benadryl often makes children sleepy, but don't give in to the temptation to give them a dose right before that long car trip! Experts caution that it shouldn't be used as a sleep aid. Shutterstock. In most cases, Benadryl (diphenhydramine) and melatonin should not be taken together. " Apple launched a new credit card this week in partnership with Goldma. Use Benadryl Fastmelt exactly as directed. Diphenhydramine, the active ingredient in Benadryl, is an antihistamine, and it attacks histamines — substances produced by the body. painful or difficult urination. Fexofenadine is known as a non-drowsy antihistamine. Find out the possible side effects of taking too much biotin, including how biotin can interfere with tests, hormone levels, and more. Yes, you can overdose on Nyquil if you take more than recommended, give a child more than is recommended, or you give Nyquil to a child who is under the age of 6 years. Visit HowStuffWorks to learn all about mayoral elections. Colloquially known as the "feel. In certain situations, it is possible to take Zyrtec and Benadryl on the same day. These symptoms include rash, itching, watery eyes, itchy eyes /nose/throat, cough, runny. Too much can cause a priapism, an uncomfortable and disproportionately large erection that lasts for more than four hours. Children 6 to 11 may take 12. In addition to these side effects, several other downsides of taking Benadryl are important to keep in mind. Benadryl is an over-the-counter drug that's used to relieve many mild allergy-related symptomsS. Hydroxyzine may be used to relieve anxiety or itching; however, it causes sedation so can affect a person's ability to drive or operate machinery. In case of overdose, call 911 or Poison Control at 1-800-222-1222. If you have a headache disorder such as migraine, most. 5 mg to 25 mg every 6 hours. la140 belt diagram It’s also commonly combined with other medications, such as pain relievers. Taking Benadryl With Tylenol PM. When used in excess or for long periods of time, users may experience serious mental complications and. While your garden waits out the winter, there’s still plenty to do as the weather cooperates. If unsure, ask a pharmacist for assistance in how to safely use combination medications that include acetaminophen. But if you have liver disease or you regularly consume alcohol, even that may be too much. dry mouth, nose, or throat. To avoid overdose, never take more than 4,000 mg of Tylenol within 24 hours. Histamine intolerance may cause symptoms such as: Abdominal cramps. DO NOT use it to treat or manage an actual overdose. In some children, even one dose of Benadryl (diphenhydramine) will make them very hyper (known as a paradoxical reaction). The half-life of diphenhydramine is not fully known. Ronald Krauser answered Yes: Yes, that is the maximum dose. daycare is hiring near me Taking too much diphenhydramine can lead to serious heart problems, seizures, coma, or death. When used in excess or for long periods of time, users may experience serious mental complications and. Taking both is considered a therapy duplication. A maximum intake of Benadryl within 24 hours is only 300 mg and must not be exceeded. Less commonly, this can happen from taking too much calcium. They are also used to treat a variety of other conditions such as stomach problems, colds, anxiety and more. A member asked: Would it be ok to take benadryl (diphenhydramine) that expired in 11/09? Stacy Wiegman, PharmD If you have taken too much carbidopa-levodopa, or you suspect a loved one has taken an overdose, seek emergency medical treatment immediately. In case of overdose, call 911 or Poison Control at 1-800-222-1222. Aug 1, 2023 · Benadryl, known by its medical name as diphenhydramine, is an antihistamine used to treat allergic reactions and seasonal allergies. 2 pounds) every six hours as needed. 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. Do not use this medicine to make a child sleepy. What will happen if i take 4 or 5 benadryl at the same time? A doctor has provided 1 answer Yash Khanna answered. If still unsure, speak to your physician. On their own, each is a relatively mild option for short-term sleep support. In fact, we’ve known it for a y. May 19, 2023 · The Benadryl challenge has been around for years on TikTok and involves taking an excessive amount of pills of the antihistamine called diphenhydramine all at once (which, in its name-brand form. Because our kidneys have to metabolize these drugs, taking too much, especially for. Benadryl is a prescription medication used to treat symptoms of allergies.
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Alcohol has a half-life of about four to five hours, and it usually takes your body a little over a day to clear alcohol out of your system. Taking too much Benadryl Fastmelt can lead to serious heart problems, seizures, coma, or death. Taking too much Benadryl can lead to an overdose. Topical Benadryl can safely be used when taking oral Benadryl (e tablets). If you're experiencing any severe side effects, such as. Help from Poison Control is available at wwworg and by phone at 1-800-222-1222. This medication comes as a chewable tablet that you need to chew completely before swallowing. Adderall is alerting; Benadryl (diphenhydramine) is sedating. Typically, the prescribed Benadryl dosage for cats is 1mg per pound of body weight, two to three times a day. If someone drinks too much Benadryl ®, beware of a Diphenhydramine overdose because it can cause significant toxicity. Benadryl (diphenhydramine) and alcohol are both central nervous system (CNS) depressants. Sep 1, 2023 · The effects of Benadryl last from four to six hours. Do not take more than four doses in 24. In addition, the risk of the following side effects increases: If you want to take both Benadryl and Unisom the same day, they should be separated by at least 6 hours between doses. Apply calamine lotion or creams containing menthol. Yes, theoretically you can take Allegra (fexofenadine) in the morning and Benadryl (diphenhydramine) at night, but it is always best to discuss this with your healthcare provider before combining any medications. Common side effects of Allergy (Diphenhydramine HCl) may include: drowsiness; dry eyes, blurred vision; dry mouth, nose, or throat; decreased urination; constipation; feeling restless or excited (especially in children); or. The most common side effects of diphenhydramine include: drowsiness loss of. Smaller dogs may be more easily dosed using children's Benadryl liquid. www craigslist com redding The typical adult Allegra dosage is 180 mg once daily. Procter & Gamble will report earnings, Icahn goes apple picking and a new debut at the Nasdaq this morningPG How quickly do we find support, is what we'll want to know now,. Benadryl causes significantly more sedation and only lasts four to six hours while Claritin is non-sedating and lasts 24 hours per dose. While your garden waits out the winter, there’s still plenty to do as the weather cooperates. what can i expect as withdrawal symptoms if i stop?: Nothing: Your prior symptoms may come back. While a single overdose of Trazodone can indeed cause immediate, severe symptoms, the long-term impact largely depends on the promptness of treatment and the health of the dog prior to the incident. If you are using Benadryl for allergies, it may be more beneficial to should take a newer and safer alternative. Avoid combining Prozac with alcohol or illicit substances, which can make overdose more likely or worsen any adverse effects that you might experience. To avoid taking too much by accident, it's important to know what medications are in the product you choose and how to take it. If you see these signs of an overdose, contact your veterinarian immediately. Abnormal heart rate. The drowsy or sedation effect typically lasts about 8 hours, but may persist into the next day if taken at night. In humans, the minimum lethal dose is 10 mg/kg. stop pooping gif Note that these dosages are for adults who are otherwise healthy and are on no interacting medicines. It's used to treat hay fever, conjunctivitis (red, itchy eyes), eczema and hives (urticaria). Topical Benadryl is not absorbed into your system in significant amounts. Benadryl dosage for dogs. For example, if you own a Chihuahua that weighs 6 pounds, the correct dose of Benadryl would be around 6 to. Use of Benadryl and melatonin together on a regular basis is not recommended. Dec 1, 2022 · Second-generation antihistamines can remain effective when you take them every day. 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. Check the label to see if a medicine contains an antihistamine. what can i expect as withdrawal symptoms if i stop?: Nothing: Your prior symptoms may come back. Viagra affects the penis and other parts of the body. These additive effects could potentially. You should never give a child a medication like Benadryl to make them sleepy. Claritin ® is the No. Benadryl treats allergy symptoms and can be. 2nd generation antihistamines tend to be non-sedating and include: Loratadine (Claritin), Cetirizine (Zyrtec), and Fexofenadine (Allegra). In this article we'll answer some common questions and review safety concerns when retaking medication after you've thrown it up. Benadryl addiction causes a psychological dependency on the drug, which still fits the criteria of substance abuse or dependence. This article is for information only. As you might guess, your blood pressure (BP) may drop lower than normal. A maximum intake of Benadryl within 24 hours is only 300 mg and must not be exceeded. asian bbc Before, in 0, your vet might have asked for benadryl use to treat anxiety. May 13, 2021 · Like any medication, Benadryl has several side effects. Sep 19, 2023 · liver problems--loss of appetite, stomach pain (upper right side), tiredness, itching, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes). Children aged 6 to 11 years should not take more than 12. We may be compensated when you click o. However, taking more than 25 mg can be extremely dangerous and is more likely to cause harm than produce any euphoria Diphenhydramine is a type of medicine called an antihistamine. feeling restless or excited (especially in children). The fatal dose of diphenhydramine (Benadryl) in dogs ranges from 24 to 30 mg per kilogram of body weight with intravenous administration. Only give Benadryl to children under 6 years old if their healthcare provider recommends it. Prednisone is used for inflammatory conditions and allergic reactions, with dosages ranging from 5 to 60 mg daily, depending on the condition. What a strange phenomenon! I was simply listening to an audiobook with my eyes closed (trying to fall asleep) when I saw that blurry image. Aug 1, 2023 · Benadryl, known by its medical name as diphenhydramine, is an antihistamine used to treat allergic reactions and seasonal allergies.
Is it ok ig if i took a nasal decongestant pe and benadryl 4 to 5 hrs taken in between from $2. Taking more than the maximum dose may result in increased side effects such as tiredness or headache. 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. Benadryl (diphenhydramine) and alcohol are both central nervous system (CNS) depressants. Even though Benadryl is a medicine you can take without the prescription of a doctor, you must know how much you should take. Maybe I drink too much water? : r/microdosing Go to microdosing r/microdosing r/microdosing Taking too much diphenhydramine can also cause tiredness, dry mouth, flushed skin, high body temperature, irregular heartbeat, and confusion. In overdose, diphenhydramine can cause excessive sleepiness, confusion, hallucinations, fast heartbeat, seizures, and coma. However, oral antihistamines such as Benadryl, Zyrtec, Claritin (loratadine), and Allegra (fexofenadine) should generally not be taken at the same time. battery cutoff switch autozone As you might guess, your blood pressure (BP) may drop lower than normal. Over-the-counter (OTC) Benadryl is approved for temporary or short-term use and is not intended for long-term use. The estimated lethal dose of Benadryl is 1,400 mg to 2,800 mg in a 154-pound human. Here's what you need to know. This can cause dangerous side effects such as damage to your stomach or intestines. jane king increased blood pressure--severe headache, blurred vision, pounding in your neck or ears. If treated in time, dogs who have overdosed on Benadryl tend to have an excellent outcome, but time is of the essence. Benadryl can cause drowsiness, dizziness, or weakness. Taking too much diphenhydramine can lead to serious heart problems, seizures, coma, or death. This means that your penis isn't getting oxygen, which can damage the tissue. Benadryl, or diphenhydramine hydrochloride in its generic form, is an antihistamine commonly prescribed to treat allergy symptoms like a runny nose, sneezing, or itching. Some may find that taking too much melatonin causes them to feel extremely sleepy during unintended times or cause intense. It burns so good. Or they may recommend a product you. lumen moon tarot cancer Struggles with staying awake According to the Merck Veterinary Manual, the standard dose for Benadryl ® is 2-4 milligrams per kilogram of body weight, or 08 milligrams (mg) of Benadryl ® per pound. Since prednisone does tend to cause insomnia in many individuals, over-the-counter (OTC) medications, like Benadryl, are commonly used to help sleep in the evening. Allegra is available OTC as a brand-name medication. Medication overuse headaches — also known as rebound headaches — are caused by the long-term use of medicines to treat headaches such as migraines.
If you use the product frequently, it may begin to lose effectiveness over time The amount of Benadryl you give your dog depends on your dog's weight and health status. 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). Indices Commodities Currencies Stocks Finding the best credit card to use for home improvement can be elusive. This can be by accident or on purpose. day-time drowsiness or "hangover" feeling after night-time use. 8 grams per kilogram of body weight. When used in excess or for long periods of time, users may experience serious mental complications and. Common side effects of Provera may include: spotting or breakthrough bleeding; changes in your menstrual periods, missed menstrual periods; vaginal itching or discharge; severe dizziness or nervousness; sleep problems ( insomnia ); or. The blue pill works by inhibiting an enzyme called phosphodiesterase type 5 (PDE-5), making. Treatment includes stopping vitamin D intake and restricting dietary. If treated in time, dogs who have overdosed on Benadryl tend to have an excellent outcome, but time is of the essence. Diphenhydramine, the active ingredient in brand-name Benadryl, is an antihistamine that blocks the activity of histamine to reduce symptoms such as runny nose, watery eyes, and itching. Mar 6, 2023 · It is possible to overdose on Benadryl and it can be very dangerous to do so. The UL for vitamin D is 4,000 IU per day. If you’re experiencing any severe side effects, such as. 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). This lack of motor control is one of the bigger risks people mixing these substances will face. A series of new infrastructure projects will turn Thailand into a hub that connects Asia by air, land, sea -- and the web. allergies, including hay fever and hives (urticaria) feeling and being sick (vomiting) - due to motion sickness or vertigo. In certain situations, it is possible to take Zyrtec and Benadryl on the same day. Changing up how much vitamin K you're getting each day can prevent warfarin from doing its job. Young children are most at risk for a serious Benadryl overdose. mrt obituaries Learn whether diphenhydramine can cause withdrawal symptoms. Topical Benadryl (diphenhydramine) is not thought to be absorbed. You just don't know whether or not the medication is still good and there really isn. This is not a complete list of side effects and others may occur. The recommended range is 90 mg to 180 mg of Benadryl per dose. Former President Donald Trump was arraigned but didn't have his mug shot taken. Benadryl is a widespread medication, and unlike prescription drugs behind the counter, it is easy to get. Since this process is related to the release of histamine, antihistamines (available over the counter at a drugstore) are the typical treatment. Be extra cautious when taking 500 or 650 milligram pills. Alcohol is known to cause liver damage. Prozac is a common antidepressant, but it's possible to overdose on it. Viagra affects the penis and other parts of the body. Even though Benadryl can help people fall asleep, it may not be the best choice of a sleep aid. It contains diphenhydramine, an antihistamine that can cause sedation as a side-effect. Sedation is a common side effect Tips. This means a 25 pound dog will take one 25 mg Benadryl tablet up to three times a day depending on your veterinarian's recommendation. Dine Brands Global (NYSE:DIN) has observed the following analyst ratings within the last quarter: Bullish Somewhat Bullish Indifferent Somewh. One of the simplest and most pleasant ways to normalize dopamine is with lemon essential oil ( Citrus limon ). But every so often, someone reacts quite differently. Key takeaways. The brown rice gives the jook a hearty, nutty flavor, and stirring in g. The recommended adult dose of Benadryl is 25-50mg every four to six hours. cookie run r34 Abnormal heart rate Agitation. Antihistamines act to prevent the action of histamine, a bioactive amine, at one of the histamine receptor, to block itching, swelling, redness, nasal congestion, teary eyes, cough, nausea and. Common Benadryl (diphenhydramine) side effects include drowsiness, dizziness, and blurry vision. diphenhydrAMINE cetirizine. In fact, the product labeling for Benadryl states that it can be dosed every four to six hours, meaning that you can take up to 6 doses per day. Learn more about how to recognize a diphenhydramine overdose and how it's treated. This article is for information only. Feeling drowsy or sleepy is one of the most common antihistamine side effects, especially in. dry mouth, nose, or throat. Venlafaxine and desvenlafaxine. However, a personal doctor or pharmacist should always be in. Avoid drinking alcohol. Dec 13, 2022 · While an overdose of drugs like Benadryl is rare, it can be serious.