Will Mucinex Make You Tired - No ( if used alone): Mucinex (guaifenesin) alone is not associated with drowsiness. Common side effects may include headache, dizziness, nausea/vomiting. Compare mucinex vs sudafed for relieving congestion and cough. Ask your doctor before using acetaminophen together with ethanol (alcohol). This ingredient is particularly helpful if you have trouble sleeping because of coughing. Mucinex dm comes in two strengths.
No ( if used alone): Mucinex (guaifenesin) alone is not associated with drowsiness. Common side effects may include headache, dizziness, nausea/vomiting. Compare mucinex vs sudafed for relieving congestion and cough. Ask your doctor before using acetaminophen together with ethanol (alcohol).