What Symptoms Does Phenergan Treat? Promethazine is used to prevent and treat nausea and vomiting related to certain conditions (such as before/after surgery, motion sickness). It is also used to treat allergy symptoms such as rash, itching, and runny nose. Does Phenergan help stomach pain? Phenergan is a powerful drug, commonly used by cancer patients
What Medications Affect Phenergan? Phenergan may interact with cold or allergy medicine, sedatives, narcotics, sleeping pills, muscle relaxers, seizure medications, antidepressants, anxiety medicines, lithium, atropine, belladonna, benztropine, dimenhydrinate, methscopolamine, scopolamine, blood pressure medications, blood thinners, bronchodilators, … When should you not take Phenergan? Stop using Phenergan and call your doctor at once if you have