Does Mucinex It Contain Any Penicillin

Penicillin VK 500mg with Mucinex D

Can I take Penicillin VK 500mg and Mucinex D along with my Methadone? I'm afraid it may cause breathing problems and would like some clarification. ## Hello, Michelle! How are you? I didn't find any interactions listed between the Penicillin and the Methadone, but there may be issues if you take the Mucinex D, since it contains Pseudoephedrine, which works like a stimulant and the Methadone is a depressant, so you should check with your doctor, before combining those. Penicillin is an antibiotic and according to the FDA, it may cause side effects, such as nausea, dizziness, headache, non-allergic skin rash and diarrhea. [1] Mucinex-D is listed as containing Guaifenesin and Pseudoephedrine, it is used to alleviate congestion. Typical side effects may include nausea, dizziness, in...

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