Your risk goes up if you use Mucinex DM (guaifenesin / dextromethorphan) with other medications that affect serotonin levels (e.g., antidepressants, lithium, certain medications used to treat Parkinson's disease). Serotonin is one of the chemicals in your brain responsible for your mood. Serotonin syndrome is a rare but potentially life-threatening condition where there's too much serotonin in the brain. Risk factors: Taking other medications that can affect the serotonin levels in your brain.Before you start taking it, ask your pharmacist if this medication is safe to take with your other medications.

There are certain medications that interact with Mucinex DM (guaifenesin / dextromethorphan). Ask your pharmacist if you're not sure if a product contains dextromethorphan. If you're taking Mucinex DM (guaifenesin / dextromethorphan) along with other cough, cold, or allergy medications, read the labels closely to make sure you're not accidentally taking too much of the ingredient dextromethorphan, since this ingredient is found in many over-the-counter products. There might be the better option to help treat your cough. Mucinex DM (guaifenesin / dextromethorphan) is not meant for long-term use. If your cough lasts more than 7 days, call your provider. The regular tablets and solution don't contain phenylalanine and would be much safer. The dissolving granule packets of Mucinex DM (guaifenesin / dextromethorphan) contain phenylalanine, which can be dangerous for people with phenylketonuria (PKU). Using household teaspoons might cause you to take the wrong amount of Mucinex DM (guaifenesin / dextromethorphan). If you're using the liquid form of Mucinex DM (guaifenesin / dextromethorphan), be sure to use a medication dose cup, spoon, or syringe to measure out your dose. Don't crush, break, or chew on the tablet. If you are taking the extended-release tablet version of Mucinex DM (guaifenesin / dextromethorphan), swallow them whole. If you're having trouble sleeping because of your cough, you can take Mucinex DM (guaifenesin / dextromethorphan) about 30 minutes before bedtime, so it starts working to help you rest through the night. Do not take more than 6 doses in 24 hours.įor best results, drink plenty of fluids while taking Mucinex DM (guaifenesin / dextromethorphan). Children between 4 and 6 years old: The typical dose is 1 packet by mouth every 4 hours as needed.Do not take more than 6 doses in 24 hours. Children between 6 and 12 years old: The typical dose is 1 to 2 packets by mouth every 4 hours as needed.Adults and children over 12 years old: The typical dose is 2 to 4 packets by mouth every 4 hours as needed.Children under 4 years old: Do not use.Ĭhildren's granule packets (Mucinex Children's Cough Mini-Melts).Children ages 4 to 6 years old: The typical dose is one-half to 1 teaspoonful (2.5 mL to 5 mL) by mouth every 4 hours as needed.Children ages 6 to 12 years old: The typical dose is 1 to 2 teaspoonfuls (5 mL to 10 mL) by mouth every 4 hours as needed.Please follow the instructions on your package carefully, as many manufacturers use slightly different strengths of the two ingredients.Ĭhildren's strength syrup (Children's Mucinex Cough syrup) Adults and children over 12 years old: The typical dose is 2 to 4 teaspoonfuls (10 mL to 20 mL) by mouth every 4 hours as needed.Children under 12 years old: Do not use.Īdult strength syrup (Mucinex Fast-Max DM or Diabetic Tussin DM).Adults and children over 12 years old: The typical dose is 1 to 2 tablets by mouth every 12 hours as needed.doi:10.Typical dosing for Mucinex DM (guaifenesin / dextromethorphan) Acetylcysteine oral inhalation.ĭe Blasio F, Virchow JC, Polverino M, et al. 5 things to know about the Delta variant. Covid-19 Lung Damage.Ĭenters for Disease Control and Prevention. Novel coronavirus cough database: Nococoda. Current evidence for COVID-19 therapies: a systematic literature review. Welte T, Ambrose LJ, Sibbring GC, Sheikh S, Müllerová H, Sabir I. Confronting COVID-19-associated cough and the post-COVID syndrome: role of viral neurotropism, neuroinflammation, and neuroimmune responses.

Mucinex liquid