Is it just less effective, or could it be harmful?
Is it ok to use this product a year or two after the expiration date?
- 13 Oct 2009 by Roddin
- 12 October 2009
- tussin dm
Added 13 Oct 2009:
dextromethorphan HBr, USP 10 mg with guaifensin, USP 100 mg
Could you please let us know what product you are talking about?
Then we can help you. Thanks
- Tussin DM Information for Consumers
- Tussin DM Information for Healthcare Professionals (includes dosage details)
- Side Effects of Tussin DM (detailed)
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