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Questions tagged [antihistamines]

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2
votes
1answer
527 views

Bismuth subsalicylate (Pepto-Bismol) vs. Dimenhydrate (Gravol)

Pharmacy Times doesn't distinguish them. familydoctor.org (sponsored by American Academy of Family Physicians) states: Bismuth subsalicylate (2 brand names: Kaopectate, Pepto-Bismol). It may ...
2
votes
1answer
121 views

What increases Histamine in the body?

What increases histamine in the human body, and are there oral forms of intake to stimulate this increase?
2
votes
1answer
463 views

Taking Benadryl after Claritin

I take Claritin in the mornings. Right now in the evening my eyes are itchy and I'd like to take Benadryl. Is this a good idea or not? Thanks!
4
votes
1answer
1k views

Long term effects of an allergy pill? Loratadine

Are there any studies/effects of long term use of an allergy pill? I use Loratadine to help control my environmental allergies but I'm concerned about it being an every-day thing. Am I facing any ...
8
votes
1answer
3k views

Does Benadryl (=diphenhydramine) lead to tolerance? Can I use it to help with sleep?

I am an insomniac and all the sleep medications that I've been prescribed have eventually had no effect on me -- I built a tolerance to them. It's a dangerous thing because I don't want to take lots ...
4
votes
2answers
130 views

How does the process of receptor blocking impact the human cells in context of antihistamine drugs (irreversible antagonist)?

I have problem in understanding what it really means that antagonist is irreversible. I have an allergy and I stopped to take some drugs because of side effects. I tried to predict how long does it ...
6
votes
1answer
24k views

Do Benadryl and Loratadine contain the same active ingredient?

When I get bad Hay Fever, I take either Benadryl or Loratadine. I am wondering what the active ingredients are in these, and Is it okay to take them both together (or would that be over dosing)? On ...