YES, altho both: acyclovir and dextromethorphan (the DM part of "Robitussin DM Max) can cause dizziness. Taking them together might increase the chance of that happening. But, as long as you aren't doing something potentially dangerous like climbing a ladder, you should be fine. Get well soon! Dr. Anne
Answered 5/10/2018
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3 doctors weighed in across 2 answers
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