Head-to-head comparisons of medication uses, side effects, warnings, and more.
Promethazine
Promethazine dm
Promethazine
Promethazine dm
Summary of Promethazine vs. Pherazine DM
Summary for Antihistamine
Prescription only
Promethazine is a prescription medication with many uses, such as treatment or prevention of nausea, motion sickness, and allergy symptoms. Promethazine
works by blocking several chemicals, including histamine, dopamine, and acetylcholine. It comes as tablets, an oral solution, rectal suppositories, and an injection. The dose of promethazine and how often you take it depends on your age and what medical condition you're taking it to treat. But it shouldn't be given to children younger than 2 years of age since it can cause serious breathing problems. Common side effects include sleepiness and dizziness.
Summary for Phenothiazine / Antitussive
Prescription only
Promethazine DM is a combination medication that contains promethazine and dextromethorphan. It temporarily relieves symptoms of allergies and the common cold and is only approved for adults and children age 2 years and older. Promethazine DM shouldn't be taken by children younger than 2 years old because it can cause serious harm in this age group. This medication is taken by mouth, typically every 4 to 6 hours. Some common side effects of promethazine DM include drowsiness and stomach upset.
Indications of Promethazine vs. Pherazine DM
Indications for
•Runny nose, watery eyes, and other symptoms of allergies