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Doctor insights on: Non Sedating Antihistamine

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Dr. Ana Adelstein
34 doctors shared insights

Non Sedating Antihistamine (Overview)

Non-sedating antihistamines are a kind of antihistamine type drug (common cold or symptom drug).


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I understand that one cannot become addicted to antihistamines, however, can't people become addicted to the sedating effects of drugs?

I understand that one cannot become addicted to antihistamines, however, can't people become addicted to the sedating effects of drugs?

Tolerance: You become tolerant to the sedative effect of first generation antihistamines and with time you will no longer feel sedated from them. If you are using then as a sleep aid, will you need more with time to achieve the same level of sedation. It is not an addiction, it is tolerance to the medication. ...Read more

Dr. Ana Adelstein
34 doctors shared insights

Non Sedating Antihistamine (Overview)

Non-sedating antihistamines are a kind of antihistamine type drug (common cold or symptom drug).


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Is constant use of antihistamine toxic to body or not?

Not really: Antihistamines are generally safe for long term use. ...Read more

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How can I safely test to see if an antihistamine produces drowsiness? I know even the new generation has this side effect.

How can I safely test to see if an antihistamine produces drowsiness? I know even the new generation has this side effect.

Wait until a day: when you don't have to go to school (weekend) and try it. It's the only way to know. Take the smallest dose available and see if it works. ...Read more

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What are the side effects of using antihistamines?

What are the side effects of using antihistamines?

Few: There are no long term adverse effects from using antihistamines. Short term sides effects are typically from older antihistamines such as Benadryl (diphenhydramine) that can cause drowsiness and delayed reaction time. New generation antihistamines such as claritin, clarinex, zyrtec, xyzal and Allegra are generally very well tolerated. No dependence and few if any drug interactions. ...Read more

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What are sedating antihistamines for insomnia?

Benadryl (diphenhydramine).....: is probably the most readily available sedating antihistamine. It is a common ingredient in over-the-counter (OTC) preparations for sleep, such as Tylenol (acetaminophen) PM -- the PM part is diphenhydramine, the generic name for Benadryl. Another one I like to use is hydroxyzine (also known as Vistaril or Atarax) but that is only available as a prescription, however its metabolite is Zyrtec, which is OTC. ...Read more

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I understand that one cannot become addicted to antihistamines, however, can't people become addicted to the sedating effects of drugs?

Tolerance: You become tolerant to the sedative effect of first generation antihistamines and with time you will no longer feel sedated from them. If you are using then as a sleep aid, will you need more with time to achieve the same level of sedation. It is not an addiction, it is tolerance to the medication. ...Read more

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If I have developed resistance to benadryl's sedating effects( +/-150mg), will it still work4allergy?

If I have developed resistance to benadryl's sedating effects( +/-150mg), will it still work4allergy?

Give it a try: Diphenhydramine (benedryl) is a very effective antihistamine, holding on to histamine binding sites better than some products. Its drawback other than sedation has been its limited duration of effect, eclipsed by products like zyrtec (cetirizine) that can last all day. Sedation is not a measure of its worth, only its ability to get into your brain and mess with neurotransmitters. ...Read more

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If i take Benadryl (diphenhydramine) before getting on a plane, will the sedation from it help with my plane anxiety?

If i take Benadryl (diphenhydramine) before getting on a plane, will the sedation from it help with my plane anxiety?

Causes drowsiness: Might suggest this be dealt with like one handles stage fright. Try a beta-blocker like propanalol or timolol. Another choice, alprazolam, which could keep you more awake. Talk to your doc, as these approaches are all generic and relatively cheap. ...Read more

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I am taking Benadryl (diphenhydramine) with minimal side effects only light sedation. Going to try hydroxyzine. Will I get more side effects than Benadryl (diphenhydramine)?

Hydroxzine: It depends upon the dose you were taking. Benedryl is a antihistamine that is usually very sedating. If you were on a small dose of benedryl and now u You are going on a large dose of Hydroxzine you may have more sedation. ...Read more

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Dr. Paul Carter
601 doctors shared insights

Antihistamine (Definition)

Sedating and non-sedating antihistamines prevent and treat allergic reactions, and are ...Read more


Dr. Olav Jaren
45 doctors shared insights

Sedating Antihistamine (Definition)

Sedating antihistamines are a kind of antihistamine type drug (common ...Read more