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Doctor insights on: Phenergan Dextromethorphan Antihistamine

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What antihistamine has the strongest antiemetic properties besides phenergan (promethazine)?

What antihistamine has the strongest antiemetic properties besides phenergan (promethazine)?

Nausea treatment: Phenergan (promethazine) is a pretty good medication for symptomatic treatment of nausea. Meclizine seems to work better in motion sickness. If you are still symptomatic with those medications, you should be seen and evaluated by your physician to find out what causes it. Many serious health problems can cause nausea and vomitting. ...Read more

Dr. Sanjiv Kaul
3 doctors shared insights

Phenergan Dextromethorphan (Definition)

Phenergan/Dextromethorphan is a decongestant which is a kind of antihistamine type drug (common ...Read more


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What other antihistamine has antiemetic properties equivalent or superior to phenergan (promethazine)?

What other antihistamine has antiemetic properties equivalent or superior to phenergan (promethazine)?

None: Most antihistamines do not have much if any antiemetic effect although some anti-emetic drugs may possess some antihistaminic activities. ...Read more

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Does Robitussin DM (guaifenesin and dextromethorphan) contain antihistamine?

Does Robitussin DM (guaifenesin and dextromethorphan) contain antihistamine?

No: Just a mucus thinner and a cough suppressant. In the future, you can just google the product and ascertain the ingredients on most drug products yourself. ...Read more

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Is it okay to take delsym and Benadryl (diphenhydramine) together?

Is it okay to take delsym and Benadryl (diphenhydramine) together?

Delsym (dextromethorphan): This is an over-the-counter cough medicine which contains dextromethorphan which can be habit-forming if used on regular basis. Benadryl (diphenhydramine) is an antihistamine for allergies. Not sure why u need both, but please do talk to your doctor about this. ...Read more

Dr. Paul Carter
601 doctors shared insights

Antihistamine (Definition)

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


Dr. Joseph Holtman
237 doctors shared insights

Dextromethorphan (Definition)

Dextromethorphan is a cough suppressant which is a kind of antihistamine type drug (common ...Read more