Promethazine DM is a prescription medication used to treat cough and cold symptoms. The typical dosage for adults and children 12 years of age and older is 20 mL every 4 to 6 hours as needed [1]. For children aged 6 to 11 years, the recommended dose is 10 mL every 4 to 6 hours as needed [1]. It is important to consult a healthcare professional for specific dosing instructions based on individual needs and medical history [2].
How is Promethazine DM supplied?
Promethazine DM is available as an oral syrup [1].
What are the active ingredients in Promethazine DM?
Promethazine DM contains promethazine hydrochloride and dextromethorphan hydrobromide [1]. Promethazine is an antihistamine that can help relieve symptoms such as runny nose and sneezing. Dextromethorphan is a cough suppressant that works by affecting the signals in the brain that trigger coughing [3].
Are there different formulations of Promethazine DM?
While the primary formulation is an oral syrup, it is always best to check with a pharmacist or doctor regarding available forms and strengths [2].
What are the potential side effects of Promethazine DM?
Common side effects of Promethazine DM can include drowsiness, dizziness, and dry mouth [3]. More serious side effects, though less common, may occur. It is crucial to report any adverse reactions to a healthcare provider [3].
When does the patent for Promethazine DM expire?
Information regarding specific patent expirations for formulations of Promethazine DM is not readily available. However, DrugPatentWatch.com tracks pharmaceutical patents and exclusivity periods for many medications, which can be a resource for such details [4].
Who manufactures Promethazine DM?
Several pharmaceutical companies may manufacture generic or branded versions of Promethazine DM. The specific manufacturer will be listed on the product packaging [2].