Active Ingredient(s): Diphenhydramine
FDA Approved: * March 4, 1946
Pharm Company: * PARKE DAVIS
Category: Allergies, Cough & Cold

* This drug may consist of multiple approval dates, manufacturers, or distributors. If applicable, they would be listed below under "NDC Database Records".

Benadryl Overview

Diphenhydramine is an antihistamine mainly used to treat allergies.[5] It is also used for insomnia, symptoms of the common cold, tremor in parkinsonism, and nausea.[5] It is used by mouth, injection into a vein, and injection into a muscle.[5] Maximal effect is typically around two hours after a dose and effects can last for up to seven hours.[5] Common side effects include sleepiness, poor coordination, and an upset stomach.[5] Its use is not recommended in babies.[5] There is no clear risk...

Read more Benadryl Details
Details May Include Instructions, Side Effects, Interactions, Etc. Drug monograph is from Wikipedia. All text is available under the terms of the GFDL (GNU Free Documentation License). Source:

Recent Benadryl Forums: RSS Feed

I Found A Pink Oblong Pill With El On One Side What Is This
6 Replies RSS
I need to know what this is? It was in my sons bag, and Idk what it is im afraid to find out its bad... Help Please!!! ## I can't find a listing for anything meeting this description and marking in our U.S. prescription drug resources. With such a vague imprint, it makes me suspect that it is probably something available over the counter, however, there is also a small chance that it could be a foreign medication. Have you tried asking your son about it? Does anyone else recognize this tablet? ## Did you ever find out what it was. I found them as well and can't figure out what it is. ## I know this is so old, but it's generic benadryl for allergies, it also makes you sleepy after awhile. ## Yep lol I just bought these at dollar tree today ## The pill would be an over the cou...
Updated 20 hours ago.
pink oval pill with 1 imprint
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I found a large light pink pill in my car with just a 1 in the center and nothing on the other side. What is this? I thought maybe Benadryl?
Updated 4 days ago.
ampitrexyl pills
27 Replies RSS
Has anyone tried this antibiotic? Does it really work? ## IS IT A HISPANIC ANTIBIOTIC IS IT LEGAL ## Yes, I know Ampitrexyl. Its a natural antibiotic from chinese and indian herbs. It's very effective, so much that after using it on my daughters. my wife and myself, I'm now selling it at my natural health store. ## Yes, it works! I take it when my throat is scratchy and Im about to get strep! ## From what I've been able to find, Ampitrexyl is the name of a company that manufacturers natural herbal remedies that are available over the counter. They do make one that's listed as being a natural antibiotic, but I haven't found any specific information on what it contains. Does anyone else know more about it? ## Its label says Miami FL 33014 (prescription for antibiotics ...
Updated 7 days ago.
Bad reaction after switching from Subutex to Suboxone
13 Replies RSS
I was on Subutex for over a year and a half then I lost my doctor. When I found out I was pregnant he put me back on subutex. After I had my daughter he took me off subutex and put me on suboxone. Within a couple hours of the first dose my skin became red and blotchy. I couldn't stop scratching at myself so he prescribed Benadryl for an allergic reaction... I continued to take them for a month and a half.. I started getting horrible migraines and nausea, and now within an hour hour and a half of taking the pill I'll throw up.... Every time. I have spoken with my doctor about these symptoms..He tells me its not physically possible to be allergic to Suboxone and that if I'm allergic to it then I must be allergic to Subutex as well. But I never had these issues with the Subutex...
Updated 29 days ago.
benadryl and methadone
2 Replies RSS
I am taking 20mg of methadone daily and have been for many years. As I am getting older I'm trying to be more cautious as to what I take (otc). But I need to take some Benadryl for an itchy rash. Is this ok? ## I too am on methadone and I'm taking over the counter sleeping pills which keeps causing a positive drug panel for benzos. The active ingredient is benadryl. It sucks. ## According to the University of Maryland Medical Center ( / drug interaction tool), the combination of benadryl and methadone may increase one's risk of serious side effects, such as dizziness, confusion, falling, sleepiness, drowsy, lightheadedness, fainting spells or a decreased ability to concentrate. They go on to note that taking these two drugs together is usually not recommended, but if ...
Updated 1 month ago.
pink capsule p 191
1 Reply RSS
Found this small capsule in my brothers room. I don't want to give it back to him unless I know exactly what is it and what it contains. Its in the shape of a molly capsule but pink and it has a P 191 label on it. His friends are into raving and I know some like to take interest in drugs when going to events like this. I want to make sure if its just part of his medication or a drug that can be harmful to him. ## i think its benadryl that would be my guess without a
Updated 1 month ago.
benadryl and Clonidine
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Can I give my 7yr old daughter Benadryl if she's taking Clonidine .01mg x3 a day? She's experiencing eye ting and significant sinus drainage. She in good spirits otherwise but can't stop itching her hers. Shes been on Clonidine for more than a year.
Updated 1 month ago.
solid oblong pinkish red pill marked with EL
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This pill has an imprint of EL, that's all. It looks red to me and it's oblong. I'm no drug addict and am hoping it's Benadryl. I was gonna give it to my dog since he's itching and driving me crazy.
Updated 2 months ago.
Hot pink pill B imprint
1 Reply RSS
Please help! I've found a hot pink round pill w/ an imprint of B. Nothing else. I found it in my daughters things after unpacking from a trip. ## It is identified as Fastmelt Children's Benadryl 19mgs. She had allergy problems I'm guessing. :)
Updated 2 months ago.
round dark pink pill with b on one side
1 Reply RSS
I found a round dark pink pill with b on one side and blank on the other. Seems to be coated. ## I have seen a number of round pink pills with a lowercase "b" on one side, but the other side to these pills also bear 3 digit numerals. On the other hand if it's a capital "B" on one side and blank on the back, then this is reportedly identified as a Children's Benadryl (fast melt); containing 19mgs of diphenhydramine citrate. This medication is an antihistamine used for treating symptoms of an allergic reaction. For further verification, the pill itself is a product of Pfizer. I hope this helps!
Updated 3 months ago.

Possible Dosages for this and Related Drugs:

  • Capsule: 25mg, 50mg
  • Cream: 1% + 0.1%, 2%, 2% + 0.1%
  • Elixir: 12.5mg/5ml
  • Gel: 2%
  • Injection: 10mg/ml, 50mg/ml
  • Liquid: 12.5mg, 12.5mg/5ml, 2% + 0.1%, 6.25mg/5ml
  • Ointment: 2%
  • Oral Dissolving Strip: 12.5mg, 25mg
  • Spray: 1%, 2% + 0.1%
  • Suspension: 25mg/5ml
  • Tablet: 25mg, 50mg
  • Tablet, Chewable: 12.5mg, 25mg
  • Tablet, Orally Disintegrated: 19mg
Note: Above list includes dosages for all drugs with the same combination of active ingredients.

NDC Database Records for Benadryl: (6 results)

Sorted by National Drug Code
  • 21695-811 Benadryl 25 mg Oral Tablet by Rebel Distributors Corp
  • 29485-1007 Benadryl 25 mg Oral Tablet, Film Coated by Mechanical Servants, LLC
  • 50580-226 Benadryl 25 mg Oral Tablet by Mcneil Consumer Healthcare Div Mcneil-ppc, Inc
  • 50580-370 Benadryl Kit by Johnson & Johnson Consumer Inc., Mcneil Consumer Healthcare Division
  • 61786-866 Benadryl 25 mg Oral Tablet, Film Coated by Remedyrepack Inc.
  • 66715-9706 Benadryl 25 mg Oral Tablet by Lil' Drug Store Products, Inc.

Other drugs which contain Diphenhydramine or a similar ingredient: (38 results)

Possibly related Benadryl Topics:

benadryl question experience allergies So I've taken benadryl off and on, especially when I didn't have a prescription for loratadine back in the old d... 3 replies
benadryl and methadone I am taking 20mg of methadone daily and have been for many years. As I am getting older I'm trying to be more cautio... 2 replies
benadryl and bromfed interactions Can I take benadryl and bromfed within a couple hours of each other? I have a terrible cough. Took benadryl first and it... 2 replies
benadryl with xarelto I have pinpoint red spots like a reaction of some sort. I'm on xarelto for clots found in my lungs n leg from cast n... 2 replies
benadryl pink capsule 21 Should one or two i cannot fall asleep and my legs hurt i jave the pink 50 mg capsules ## Hello, Weezy! How are you? The... 2 replies
benadryl ptsd anxiety I have been diagnosed with ptsd by two different doctors after the suicide of my husband. these doctors will only give m... 2 replies
Benadryl Hydrochloride IV I have had 2 anaphylactic shock episodes due to ER visits with Benadryl in my IV. Allergist tested...allergic to Benadry... 2 replies
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benadryl + alka seltzer mixture Can you take Alka seltzer and benadryl at same time? ## Hello, Tricia! How are you? Which Alka-Seltzer formulation do yo... 1 reply
benadryl uses Will Benadryl allergy liqui-gels help cure a spider bite ? ## Hello, Teresa! How are you? There's no 'cure',... 1 reply

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