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A 36-year-old female asked:

I take medicine for sinus tachicardia and really would like an otc cough syrup what is safe?

1 doctor answer2 doctors weighed in
Dr. Anthony Rooklin
Allergy and Immunology 50 years experience
Dextromethorfan: It would be safe to try a cough medicine which contains dextromethorfan sometimes written as dm on the bottle. It is not a great cough suppresant but would be safe to try.

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