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home > drugs a-z list > benadryl (diphenhydramine) drug center
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Benadryl
Drug Side Effects: Types
Side effects fall into several categories. Allergic reactions can happen with any drug and can range from itching and rash all the way up to a life-threatening anaphylactic reaction.
Other side effects simply –come with the territory.†Some drugs can't help but trigger side effects because of their chemical structure. One example is the common allergy drug diphenhydramine (also known by the brand name Benadryl). Though it eases allergy symptoms, it also suppresses the activity of the body chemical acetylcholine, and that leads to drowsiness and a host of other side effects, including dry mouth.
Some drugs have barely noticeable side effects when dosed properly. For example, Warfarin (Jantoven, Coumadin) used to prevent blood clots, is usually well tolerated, but serious internal bleeding can occur.
Side effects may only pop up when certain drugs are mixed with certain other things. These might also be...
Benadryl
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Benadryl Drug Center
Pharmacy Editor: Omudhome Ogbru, PharmD
Benadryl (diphenhydramine) is an antihistamine used for allergies, hives, insomnia, motion sickness, and mild cases of Parkinsonism. A generic formulation is available. Common side effects of Benadryl include sedation, tiredness, sleepiness, dizziness, disturbed coordination, drying and thickening of oral and other respiratory secretions, and stomach distress. Benadryl may also cause blurred vision, double vision, tremor, loss of appetite, or nausea.
A typical dose of Benadryl is 25-50 mg every 4-6 hours. Benadryl adds to the sedating effects of alcohol and other sedating drugs. It can also intensify the drying effects of medications with anticholinergic properties. Benadryl has not been adequately evaluated in pregnant women. Benadryl is secreted in breast milk. Because of the risk of stimulation and seizures in infants, especially newborns and premature infants, antihistamines should not be used by nursing mothers.
Our Benadryl Drug Center provides a comprehensive view of available drug information as well as related drugs, user reviews, supplements, and diseases and conditions.
What is Prescribing information?
The FDA package insert formatted in easy-to-find categories for health professionals and clinicians.
Benadryl Prescribing Information: Indications & Dosage
Benadryl® Allergy (diphenhydramine) Uses
- temporarily relieves these symptoms due to hay fever or other upper respiratory allergies:
- runny nose
- sneezing
- itchy, watery eyes
- itching of the nose or throat
- temporarily relieves these symptoms due to the common cold:
- runny nose
- sneezing
Read the complete drug monograph for Benadryl »
What is Benadryl Prescribing Information?
Drug Description - Indications & Dosage - Side Effects & Drug Interactions - Warnings & Precautions - Contraindications - Medication Guide and More
What is Patient information?
Easy-to-read and understand detailed drug information and pill images for the patient or caregiver from Cerner Multum.
Benadryl Patient Information: Side Effects
Stop taking diphenhydramine and seek emergency medical attention if you experience an allergic reaction (difficulty breathing; closing of your throat; swelling of your lips, tongue, or face; or hives).
Other, less serious side effects may be more likely to occur. Continue to take diphenhydramine and talk to your doctor if you experience
- sleepiness, fatigue, or dizziness;
- headache;
- dry mouth; or
- difficulty urinating or an enlarged prostate.
This is not a complete list of side effects and others may occur. Call your ...
Read the complete patient information for Benadryl »
What is Benadryl Patient Information?
Possible Side Effects - Images - What Is - How Should I Take It - What If I Miss a Dose - What Should I Avoid and More
What is Consumer information?
A concise overview of the drug for the patient or caregiver from First DataBank.
Benadryl Consumer Information: Uses
Diphenhydramine is an antihistamine used to relieve symptoms of allergy, hay fever and the common cold. These symptoms include rash, itching, watery eyes, itchy eyes/nose/throat, cough, runny nose and sneezing. It is also used to prevent and treat nausea, vomiting and dizziness caused by motion sickness. Diphenhydramine can also be used to help you relax and fall asleep.
This medication works by blocking a certain natural substance (histamine) that your body makes during an allergic reaction. Its drying effects on such symptoms as watery eyes and runny nose are caused by blocking another na...
Read the complete consumer information for Benadryl »
What is Benadryl Consumer Information?
Warnings - Uses - How to Use - Side Effects - Precautions - Drug Interactions and More
Next: Drug Description
Additional Benadryl Information
Benadryl - User Reviews
Benadryl User Reviews
Now you can gain knowledge and insight about a drug treatment with Patient Discussions.
Here is a collection of user reviews for the medication Benadryl sorted by most helpful.
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