Mixing URI meds: Yes. Mucinex (guaifenesin) d is an expectorant/decongestant combination and Clarinex is an antihistamine. The combination can be helpful for a short term problem. For a chronic upper respiratory problem a topical nasal steroid spray is likely to be of more benefit.
Answered 6/26/2020
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4 doctors weighed in across 4 answers
A doctor has provided 1 answer
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