Yes, one of the side effects is insomnia.
Keep taking Mucinex D and talk to your doctor if you have any of these less serious Mucinex D side effects:
dizziness or headache;
feeling excited or restless;
*sleep problems (insomnia);*
nausea, vomiting, or stomach upset;
mild loss of appetite;
warmth, tingling, or redness under your skin; or
skin rash or itching.
This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect. You may report side effects to FDA at 1-800-FDA-1088.
Search for questions
Still looking for answers? Try searching for what you seek or ask your own question.
Posted 1 Feb 2011 • 1 answer
Posted 22 Mar 2011 • 2 answers
Posted 10 Jan 2013 • 6 answers
Posted 28 Mar 2015 • 2 answers
Posted 5 Mar 2016 • 1 answer