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Questions tagged [antihistamines]

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Does less histamine in receptors mean less appetite?

I have found this text: when the histamine receptor is blocked, lowering metabolism. These biological changes result in increased appetite, overeating, slower fat breakdown and weight gain. ...
houdy's user avatar
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Is any anticholinergic necessarily antihistamine?

Choline is a nutrient chemically similar to B-vitamins needed for proper cell membrane production and muscle work. Histamine is a natural product derivate of the amino acid histidine, which according ...
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H1-antihistamines classified according to pharmacology?

I've been researching H1-antihistamines for personal reasons. And I'm trying to find out if H1-antihistamines are sorted based on pharmacology. I understand that H1-antihistamines have up to three ...
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Do antihistamines slow down the healing process of a bite/wound?

Taking antihistamines is common for relieving the itch sensation from a mosquito bite. This itching sensation is one of the side effects of histamine, which is produced as part of the immunological ...
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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 ...
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What increases Histamine in the body?

What increases histamine in the human body, and are there oral forms of intake to stimulate this increase?
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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!
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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 ...
Unknown Coder's user avatar
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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 ...
Pills N Pillows's user avatar
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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 ...
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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 ...
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