took 2 pills and the next morning woke up and felt a little sick once i got to work i had severe nausea vomiting and loss of balance. the loss of balance lasted the rest of the day along with loss of appetite and fatigue.
This registry is a place to share positive or negative side effects of using Mucinex DM. If you directly experienced a side effect while using Mucinex DM, then we encourage you to enter it here. Please note that entries here are the experiences of individual users, and in no way means that you or anyone else will experience the same side effect, since the same medication affects people in different ways. Please always contact your physician.
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