Doctor insights on:
Benefits And Side Effects Of Antihistamines
Tiredness : Mostly they cause tiredness but if you have a prostate problem , be careful don't drink and take benedry and don't drive or operate heavy machinery ! ...Read more
Try different brands: The side effects of antihistamines (dry mouth, tiredness. etc) vary from drug to drug. For example Benadryl (diphenhydramine) OTC is more likely to make you sleepy (in fact for some its a safe sleeping pill) whereas the more recent additions to the OTC antihistamine group (eg Claritin) have less sleepiness ( but more dry mouth) Each Person reacts differently to these drugs Try some Hope this helps DR Z ...Read more
3rd generation AH: Older antihistamines (AH) like Benadryl, (diphenhydramine) Atarax , Periactin caused drowsiness and dry mouth in at least 30% of the people. Weight gain in another potential side effect. Newer antihistamines like Zyrtec, Xyzal causes drowsiness in about 10% of the people 3rd generation AH like Allegra and Claritin are not expected to cause drowsiness in 95% of the people. ...Read more
Is Modafil or something like this useful to treat the side effects of antihistamines? That could be really useful for me.
Few: There are no long term adverse effects from using antihistamines. Short term sides effects are typically from older antihistamines such as Benadryl (diphenhydramine) that can cause drowsiness and delayed reaction time. New generation antihistamines such as claritin, clarinex, zyrtec, xyzal and Allegra are generally very well tolerated. No dependence and few if any drug interactions. ...Read more
Is antihistamine bad for asthma..if not what is the safest antihistamine to take with minimum side effects?
No: Antihistamines are not bad to take if you have asthma, however if you're using them to treat asthma symptoms this is not appropriate. Antihistamines are for itchy, sneezy symptoms secondary to allergies. Asthma medications include albuterol and daily inhaled steroids. Non-sedating antihistamines like Claritn, Zyrtec, and Allegra (fexofenadine) have relatively equal efficacy and safety profiles ...Read more
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
Can a non drowsy antihistamine that had no side effects that I've noticed hurt you if u take 2 pills in 24hrs instead of 2?
No: Which antihistamine? Why using it? Sometimes, for chronic urticaria, cetirizine [Zyrtec] is dosed at 3 a day . The official dose of these is 1 a day. Allegra and claritin are also sometimes used at double or triple dose.It is best if you consult a Dr before you take doses higher than usual. ...Read more
Is it possible to get "rebound" side effects from stopping an antihistamine? I've been taking one for 5 months, and have sinus problems since stopping
You probably need it: Rebound to cessation of antihistamines would be unusual, . If you took a combination antihistamine/decongestant, it would be more common. However, you had been taking an antihistamine for 5 months. Had you taken it for a nasal problem? My hunch is that your nasal/sinus problem, for which you had taken the antihistamine in the first place, recurred the moment you stopped it. ...Read moreSee 1 more doctor answer
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