... problems, but is able to walk unassisted. Yesterday after taking a mucinex, he had major problems and needed to use a walker in order to feel that he wouldn't fall. Later in the day he was much better, and has been fine today off of the medication. I've been reading comments about that on the net, and many have been experiencing similar problems. I wonder if you have heard anything about that
20 Oct 2009
Severe dizziness is a serious side effect of Mucinex DM, and it is recommended to stop the medicine and and see the doctor.
Other known side effects are listed below:
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Stop using this medication and call your doctor at once if you have any of these serious side effects:
severe dizziness, anxiety, restless feeling, or nervousness; confusion, hallucinations; or slow, shallow breathing.
Less serious side effects may include:
dizziness; headache; skin rash or itching; or nausea, vomiting, or stomach upset.
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