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Doctor insights on: Is Phenylephrine An Antihistamine

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Dr. Maxime Cannesson
545 Doctors shared insights

Phenylephrine (Definition)

Phenylephrine hydrochloride is a decongestant which is a kind of antihistamine type drug (common ...Read more


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If my Benadryl (diphenhydramine) contains phenylephrine is it not a good idea to take two tablets for sleep?

If my Benadryl (diphenhydramine) contains phenylephrine is it not a good idea to take two tablets for sleep?

Drop phenylephrine: Find a product that does not contain the phenylephrine. For most people, that med is stimulating and will make you stay awake, not help you sleep. Make sure you also use good sleep hygiene - bedtime routine, minimize distractions around you, warm milk, and consider melatonon for sleep aid rather than more and more benadryl (diphenhydramine). ...Read more

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Hi, I'm having a spreading swollen reaction to what is probably a bed bug bite (s). Cannot get benadryl, (diphenhydramine) will phenylephrine work to help control it?

Hi, I'm having a spreading swollen reaction to what is probably a bed bug bite (s). Cannot get benadryl, (diphenhydramine) will phenylephrine work to help control it?

No: Phenylepherine is a decongestant not an antihistaminic, so it won't control itching or 'allergic reaction'. If you can't get benadryl (diphenhydramine) for whatever reason right now, try having a shower and apply cold compresses till you see a doctor, good luck ...Read more

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Does 10mg of phenylephrine rhelp decongestion?

Does 10mg of phenylephrine rhelp decongestion?

Yes: It would decongest, but careful if you have high blood pressure, read the labels carefully and don't exceed recommended doses ...Read more

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Are there things I should avoid while taking neosynephrine (phenylephrine)?

Are there things I should avoid while taking neosynephrine (phenylephrine)?

Neosynephrine (phenylephrine): 1. Using it for longer than 3-5 days; 2. Taking any other oral or nasal decongestants with it. ...Read more

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What are the common uses of antihistamine?

What are the common uses of antihistamine?

Antihistamine 4 itch: Antihistamines (ah) block histamine receptors and stop histamine from causing itching and swelling. They are mainly used to treat allergies and hives. Some are sedating; those are used as sleep aids. Many otc sleep meds contain Diphenhydramine (benadryl). ...Read more

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Is Flixonase an antihistamine?

Is Flixonase an antihistamine?

Steroid Nasal Spray: Flixonase or Flonase (fluticasone proprionate) is a steroid nasal spray commonly used to treat allergic rhinitis by decreasing the allergic inflammation in the nasal mucosa. It is not an antihistamine. ...Read more

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Is there an antihistamine cream?

Is there an antihistamine cream?

Yes, but avoid: Benadryl (diphenhydramine) cream is available. While some people find temporary relief for insect bites with this, in general it is not very effective compared to other antihistamines taken as pills or tabs. For generalized rash, it really doesn't make sense. ...Read more

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Does antihistamine make you drowsy?

Older ones do: First generation antihistamines (benadryl, clor-pheramine, atarax) cross the blood brain barrier and cause lethargy.
Second generation (allegra, claritin, zyrtec, xyzal, (levocetirizine) clarinex) cause the blood brain barrier at a much lesser amount and more targeted to the h1 receptor. ...Read more

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Can you use antihistamine and wine?

Can you use antihistamine and wine?

Not a good idea: Antihistamines (especially the older ones such as benadryl) can cause drowsiness and impairment and this can be worsened by the effect of alcohol even at regular doses. There are other allergy medications available that can be taken if a glass of wine is desired. ...Read more

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Is it ok to take antihistamines with?

Is it ok to take antihistamines with?

With what?: If you are thinking about drinking alcohol, do not do it. Antihistamines might potentiate the effect of alcohol. ...Read more

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Can you take antihistamine with codeine?

Can you take antihistamine with codeine?

Yes: There is a medication called tussionex that combines an older antihistamine (chlorpheniramine) with hydrodocone (similar to codeine). This medication is especially effective for severe irritant cough. It is important to carefully follow dosing directions. ...Read more

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Is it safe to take an antihistamine daily?

Is it safe to take an antihistamine daily?

Yes but why: Although antihistamines are a very safe class of medications, the better question is why is there a need to take them daily? If antihistamines are being taken for treatment of nasal symptoms, see an allergist to identify the trigger. ...Read more

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Does an antihistamine help IC? If so how?

Does an antihistamine help IC? If so how?

IC: I commonly use anti histamine for my IC patients. Exciting histamine receptors in the bladder can stimulate inflammation. Similar responses are seen in sinus and stomach. The antihistamine therefore blocks one possible arm of the inflammatory cycle. ...Read more

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Which antihistamine dries up drainage best?

Which antihistamine dries up drainage best?

1st generation: As diphenhydramine, because of more anticholinergic effects, but would cause more sedation, read the labels well, don't drive or operate machinery while using them, if they still don't work, see your doctor for better diagnosis and management ...Read more

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Which is the best antihistamine for children?

Which is the best antihistamine for children?

Several are good: Loratedine (Alavert, Claritin), Cetirizine (Zyrtec)and Fexofenadine (Allegra)are all effective. Dyphenhydramine (Benadryl) is short acting so if you want the reaction not to come back in the middle of the night then one of the above would be better. Remember that you should not give children under 2 antihistamines without checking with your doctor. Between 2-4 y/o you should also ask. Not for colds ...Read more

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Dr. Paul Carter
642 Doctors shared insights

Antihistamine (Definition)

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