A member asked:

Used claritin-d 4 yrs for nasal conestion.recently got bad cold.took mucinex (guaifenesin).cleared sinuses better than ever.can breathe for 1st time.can continue?

A doctor has provided 1 answer
Dr. John Chiu answered

Yes: If Mucinex (guaifenesin) works for you, there is no problem with taking it daily. The D in Claritin D however may increase your blood pressure and cause insomnia and jitteriness. I have prefer using nasal spray instead and have not prescribed an oral decongestant for anyone for years due to the side effects.

Answered 12/12/2014

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