Doctor insights on:
Diphenhydramine Hydrochloride Antihistamine
I take 20mg of cetrizine hydrochloride (reactine brand) every morning.... I then took a couple hours later a 25mg benadryl (diphenhydramine) for a mild skin itch and di?
Combination antihist: It is not clear that combining antihistamines produce better results. The only guarantee is usually more side effects. Cetirizine is effective at 10mg but works better at 20mg daily (split dose). If you give more it doesn't work a lot better but you do see more sedation. Diphenhydramine is more sedating at ANY dose compared to drugs like cetirizine loratadine fexofenadine. ...Read more
Cetirizine hydrochloride & childerns Benadryl (diphenhydramine) can they be taken at the same time?
Yes: But only when if it is necessary ...Read more
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What are long term side effects of diphenhydramine antihistamines and do they lose effectiveness over time?
Minimal: Diphenhydramine is the active ingredient in Benadryl (diphenhydramine) and has been around for a very long time. Like most antihistamines, there is not believed to be long term side effects. Losing effectiveness is less well studied, but with ongoing use there could be some development of tolerance or it could be that you are still being exposed to an allergen and that is why symptoms are not controlled. ...Read more
I have two different antihistamines...One is hydroxyzine and the other is is diphenhydramine..Which one will cause me to gain weight?
Not recommended.: 2 antihistamines together will probably exacerbate negative side effects without necessarily increasing the positive effect of the medication. Not recommended. ...Read more
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What amount of does take to get high off of diphenhydramine hci/antihistamine and how long does it take to kick in?
Is there any other antihistamines that have as strong of or stronger anti allergic properties than benadryl (diphenhydramine)?
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