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Doctor insights on: Dayquil Antihistamine

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Dr. Paul Carter
648 Doctors shared insights

Antihistamine (Definition)

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


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Is it ok to take zyrtec (cetirizine) (antihistamine for allergies) and dayquil (cold/flu medicine) together?

Is it ok to take zyrtec (cetirizine) (antihistamine for allergies) and dayquil (cold/flu medicine) together?

Depends: If you are taking plain zyrtec (cetirizine) (antihistamine only) you can take dayquil, but you should not take nyquil which also contains an antihistamine. Zyrtec (cetirizine) d contains a decongestant and antihistamine so it should not be mixed with other meds such as dayquil. It is always important to read the ingredient labels of any over the counter medicines as many medicine contain the same or similar ingredients. ...Read more

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My friend mixed 10 mucenex with Benadryl (diphenhydramine) and dayquil and a little bit of liquid mucenex. Is she going to die?

My friend mixed 10 mucenex with Benadryl (diphenhydramine) and dayquil and a little bit of liquid mucenex. Is she going to die?

Probably not: Since Benadryl (diphenhydramine) and Mucinex have a very high safety margin, she will just feel miserable for a couple of days. However you have got to get her to see a psychiatrist asap due to the suicidal attempt. ...Read more

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Is it safe to take dayquil for cold and benadryl (diphenhydramine) for allergy at the same time? I'm also on doxycycline for acne. Thank you!

Is it safe to take dayquil for cold and benadryl (diphenhydramine) for allergy at the same time? I'm also on doxycycline for acne. Thank you!

Yes: Dayquil doesn't contain an antihistaminic, read the labels for other preparations though, fine to take together and with doxycycline, good that you asked, always exercise caution with multiple medications, wish you wellness ...Read more

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Started fridat with sore throat and no voice now coughing every minute and mucus. Cough syrup/dayquil/benadryl isn't helping. Why? What to do?

Started fridat with sore throat and no voice now coughing every minute and mucus. Cough syrup/dayquil/benadryl isn't helping. Why? What to do?

Sore throat: Probably a virus a common cold. Drink fluids and rest. Yellow or greenish drainage with a fever, think bacterial infection that needs an antibiotic. See your internist or family doctor if persistent over the next week. Hang in there. ...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?

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