Dextromethorphan is a drug used in many over-the-counter cough and cold medicines for its antitussive effects
Dextromethorphan and promethazine is a combination medicine used to treat cough, stuffy nose, runny nose, and sneezing Using dextromethorphan together with promethazine may increase side effects such as dizziness, drowsiness, confusion, and difficulty concentrating
Before taking this medication, tell your doctor or pharmacist if you are allergic to promethazine or to dextromethorphan; or to any other phenothiazines (such as prochlorperazine); or if you have Dextromethorphan reference guide for safe and effective use from the American Society of Health-System Pharmacists (AHFS DI)
If stomach upset occurs, take with food or milk
Applies to: azithromycin and Promethazine DM (dextromethorphan / promethazine) Using azithromycin together with promethazine can increase the risk of an irregular heart rhythm that may be serious and potentially life-threatening, although it is a relatively rare side effect
Duration: 4-6 hr
It acts on a part of the brain (cough center) to reduce the need to cough
Guaifenesin is an expectorant sold under the brand name Mucinex, Bidex, Organidin, Robafen, and others
Talk to your doctor to see if you have a greater chance of seizures while taking promethazine and dextromethorphan
Do not take 2 doses at the same time or extra doses
Find medical information for dextromethorphan on epocrates online, including its dosing, contraindications, drug interactions, and pill pictures
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