Benadryl shot side effects

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Author: Admin | 2025-04-28

6 years. Topical Benadryl products are not approved for use in children under 2 years.Before giving Benadryl to a baby, talk with your doctor. They may want to evaluate the baby’s symptoms. Your doctor can also recommend the most appropriate dosage of Benadryl to treat a baby if necessary. (See warning below in the “Benadryl side effects” section.)Maximum dosageOral Benadryl products should not be taken more than six times each day. For adults and children over 12 years of age, the maximum dosage is 300 mg each day. For children ages 6 to 12 years, the maximum is 150 mg each day.Adults or children should not apply Benadryl products, such as the cream, gel, and spray, to their skin more than four times per day.ToleranceYour body can develop a tolerance to some of the effects of Benadryl. This means your body’s response to the drug may decrease over time.For instance, one study found that Benadryl caused sleepiness on the first day people took it. However, after they took Benadryl for 4 days, this side effect no longer occurred. This was due to tolerance.Although tolerance to sleepiness caused by Benadryl can happen, tolerance doesn’t seem to develop for other effects of Benadryl. When used over time, Benadryl continues to work to relieve symptoms of hay fever or allergies, a runny nose, hives, and other conditions.However, if you’re taking Benadryl frequently (on more than about 4 days per week), talk with your doctor. They may suggest other treatment options that may be more effective for you.Benadryl can cause mild or serious side effects. The following list contains some of the key side effects that may occur while taking Benadryl. This list doesn’t include all possible side effects.For more information about the possible side effects of Benadryl, talk with your doctor or pharmacist. They can give you tips on how to manage any side effects that may be concerning or bothersome.More common side effectsThe more common side effects of Benadryl include:sleepinessdry mouthbody weaknessdizzinessheadacheSome of these side effects may go away within a few days or a couple of weeks. If they’re more severe or don’t go away, talk with your doctor or pharmacist.Serious side effectsCall your doctor right away if you have serious side effects. Call 911 if your symptoms feel life threatening or if you think you’re having a medical emergency. Serious side effects and their symptoms can include the following:decreased memoryimpaired

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