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Doctor insights on: Antihistamine In Nyquil

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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


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Can i take Benadryl (diphenhydramine) and nyquil together?

Can i take Benadryl (diphenhydramine) and nyquil together?

You can, but: Not recommended due to drug interactions. Both drugs increase sedation and drowsiness. ...Read more

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Can you take Benadryl (diphenhydramine) and NyQuil at the same time?

Can you take Benadryl (diphenhydramine) and NyQuil at the same time?

Not best idea: Nyquil has an antihistamine in it already, and benadryl (diphenhydramine) is an antihistamine so you run the risk of overdosing on the antihistamine component. This may cause drowsiness, dryness and can possibly effect respiratory drive. So, not a good idea to take both together. ...Read more

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I took Nyquil at 3pm can I take Benadryl (diphenhydramine) now at 11:52 pm?

I took Nyquil at 3pm can I take Benadryl (diphenhydramine) now at 11:52 pm?

Yes you can: nyquil has several formulations, some contain antihistamines as benadryl, (diphenhydramine) read the labels, don't overdose and excercise caution with multiple drugs ...Read more

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I took 2 Benadryl (diphenhydramine) and 30 mil of nyquil, should I worried?

I took 2 Benadryl (diphenhydramine) and 30 mil of nyquil, should I worried?

Be careful: You took the maximum dose for both, don't take any for the next day or so, don't drive or operate machinery for a day also, risk of drowsiness, expect as well some dry mouth, if you feel any problems, seek medical attention, exercise caution with multiple drugs, j ...Read more

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I took 50 mg of Benadryl (diphenhydramine) at 5:05 pm. It is now 9:18 pm, is it safe for me to take Nyquil Severe mow?

I took 50 mg of Benadryl (diphenhydramine) at 5:05 pm. It is now 9:18 pm, is it safe for me to take Nyquil Severe mow?

Yes, but: Remember Nyquil preparations as severe cold & flu contain an antihistamine too, doxylamine, so read the labels carefully, don't exceed recommend dosages and don't exceed antihistamine(s) total daily dosage, see your doctor if not better ...Read more

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Can I take one cup of NyQuil for my cold, and two Benadryl's for my allergies?

Can I take one cup of NyQuil for my cold, and two Benadryl's for my allergies?

2AntihistaminsSimila: Nyquil cantains aDoxylamine.Acetaminophen and Dextromethorfan Benadryl (diphenhydramine) is an antihistamine and Doxylamine is also antihistamine.Both are first generation antihistamines and cause sedation.I will not advice to take 50 mgm(2x25mgm)of Benadryl (diphenhydramine) and Nyquil. ...Read more

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I was wondering if i could take nyquil for my cold and benadryl (diphenhydramine) for my allergies?

I was wondering if i could take nyquil for my cold and benadryl (diphenhydramine) for my allergies?

Which Nyquil?: at any rate all Nyquils contain an antihistamine, so you don't want to combine them with benadryl, (diphenhydramine) unless you have got a really severe allergic reaction. Combination would cause more side effects as drowsiness, so be careful, good luck ...Read more