Doctor insights on:
Can Antihistamines Control Or Prevent Vomiting
No: There is no evidence that antihistamine alone can prevent an anaphylactic reaction although it may potentially reduce the severity. Avoidance of the trigger is the only answer. Failing that, adrenaline is the only effective treatment. Be sure to have it with you. I like the new product called Auvi-Q which provides an audio instruction and is easy to carry. ...Read more
Older kind: The older AH such as Benadryl, (diphenhydramine) Atarax, Chlortrimeton actually possess more drying effect than the newer generation non-sedating ones. However you are also more likely to get drowsy from them. However allergy is not the only thing which causes excessive mucus and a steroid nasal spray will likely work better. ...Read more
Are antihistamines ever known to bring out the hives they r being taken to prevent? My hives get bumped up within 90mins of any antihistamine.
No: Depending what antihistamine you are taking, they usually take 30 to 45 minutes to start working, your hives do not worsen from them but if you are taking the medicine when the hives have already started, they are not controlling them very well. See an allergist and they can guide your treatment better. ...Read more
I have no antihistamine at home or lyclear cream to use for my scabies i'm so itchy. What do I have to do to prevent it?
I am anxious, stressed or even excited. I have heard that antihistamines work well to prevent this, is this true?
Yes: Antihistamines can be helpful for treating anxiety. Psychiatrists will commonly prescribe Hydroxyzine pamoate for the treatment of anxiety that is technically an antihistamine. This medication is safer than many alternatives for anxiety and can be used in an as needed way. Talk with your physician for more information. Stay safe! ...Read more
Probably not: Oral allergy syndrome is usually caused by pollens and sometimes nuts. Claritin, zyrtec and Allegra (fexofenadine) can help with pollen allergies. But like any other allergy, it is best to stay away from the problem. Have an allergist test you and see what treatment would be best. ...Read more
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