Doctor insights on:
Different Types Of Antihistamines
Probably not: It is not a good idea because of the increased risk of side effects from taking multiple similar meds. ...Read more
If I have an allergy to one antihistamine, is it more likely to also be allergic to another? Even though they r different chemicals?
Itching in different body parts unrelated to food or indoor/outdoor areas. This might sit for few hours and sometimes I take antihistamines. ?
How many weeks does it take for claritin (loratadine) 10mg to work? How long should I give it a try before deciding to switch to a different antihistamine?
A few hours: Claritin (loratadine) should start working within a couple of hours. If it doesn't not help at all, then switching to another won't do you much good. If it does help somewhat, then you may try the other alternatives which may possess more antihistamine effect than Claritin (loratadine). ...Read more
I have two different antihistamines...One is hydroxyzine and the other is is diphenhydramine..Which one will cause me to gain weight?
Is it OK to take multiple types of antihistamines within a 24-hour period? Nothing seems to work as long as advertised.
DETAILS?????: What are you treating? Which antihistamines? How many of each? There are easy answers after the details are given. No answer is possible without this information. For chronic urticaria I may manage it with 10 or 20mg cetirizine (Zyrtec) in AM and hydroxyzine at bedtime. I never use Benadryl (diphenhydramine) except as a sleeping pill. ...Read more
Is it possible to be allergic to all antihistamines (hives)? I see hives 90mins after taking 3 different antihit's on different days.
Do the antihistamine nose sprays and the steroid sprays lose their effectiveness over time? Should I alternate, using one type of spray each month?
Should not: These sprays should not lose their effectiveness over time. Some people need both in combination. I would suggest using the antihistamine spray and adding in the steroid spray when your symptoms are not controlled. It may take a couple of days to feel the full effect of the steroid spray. ...Read moreSee 1 more doctor answer
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