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You asked: What does an antihistamine do?

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Pharmacy
American Pharmacists Association
423 Answers
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That’s a good question. I mean, Benadryl’s been around a long time and I have to say that if I have someone, as we talked earlier, that has an insect...
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Medical Reference
159,291 Answers
7,629 Helpful Votes
18 Followers
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8,020 Answers
255,595 Helpful Votes
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An antihistamine is medication that stops the action of histamine, which causes symptoms of allergies such as itching and swelling.
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Primary Care
4,757 Answers
25,445 Helpful Votes
371 Followers
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Benadryl is an antihistamine; it should not cause congestion per se, but it can dry out mucous membranes and make a persion tired.
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Primary Care
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He can probably handle a 1/2 tsp (2.5 ml) without any problems, assuming he doesn't get wired. Benadryl makes adults sleepy, but children can...
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Medical Reference
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If you miss a dose, take it as soon as you remember. If it is near the time of your next dose, skip the missed dose and resume your usual dosing...
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Medical Reference
159,291 Answers
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If you miss a dose, take it as soon as you remember. If it is near the time of your next dose, skip the missed dose and resume your usual dosing...
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Medical Reference
159,291 Answers
7,629 Helpful Votes
18 Followers
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If you miss a dose, take it as soon as you remember. If it is near the time of your next dose, skip the missed dose and resume your usual dosing...
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Medical Reference
159,291 Answers
7,629 Helpful Votes
18 Followers
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If you miss a dose, take it as soon as you remember. If it is near the time of your next dose, skip the missed dose and resume your usual dosing...
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Primary Care
4,757 Answers
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371 Followers
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Maybe, a bit. Diphenhydramine (Benadryl) can try up other mucous membranes, like the nose or mouth, so it could cause some dryness South of the...
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11 Answers
103 Helpful Votes
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Why would you want to take two antihistamines. You may want to talk to a doctor and get a stronger prescription antihistamine if either of these are...
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Pharmacology
American Pharmacists Association
239 Answers
4,335 Helpful Votes
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Benadryl is listed as pregnancy category B and is safe to take. Make sure you are using a product that only contains Benadryl (diphenhydramine) and...
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Medical Reference
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Diphenhydramine injection is an antihistamine used to treat life-threatening allergic reactions (anaphylaxis) along with epinephrine and other...
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159,291 Answers
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Diphenhydramine injection is an antihistamine used to treat life-threatening allergic reactions (anaphylaxis) along with epinephrine and other...