What is Promethegan used for?

Indications and Usage, quoted from the label by Cosette Pharmaceuticals, Inc. (ANDA087165). Cross-references to other label sections are left out.

Promethazine HCl Suppositories, USP are useful for: Perennial and seasonal allergic rhinitis. Vasomotor rhinitis. Allergic conjunctivitis due to inhalant allergens and foods. Mild, uncomplicated allergic skin manifestations of urticaria and angioedema. Amelioration of allergic reactions to blood or plasma. Dermographism. Anaphylactic reactions, as adjunctive therapy to epinephrine and other standard measures, after the acute manifestations have been controlled. Preoperative, postoperative, or obstetric sedation. Prevention and control of nausea and vomiting associated with certain types of anesthesia and surgery. Therapy adjunctive to meperidine or other analgesics for control of postoperative pain. Sedation in both children and adults, as well as relief of apprehension and production of light sleep from which the patient can be easily aroused. Active and prophylactic treatment of motion sickness. Antiemetic therapy in postoperative patients.

Source: DailyMed label, set id 636bb9bc-0cc5-4d6a-85be-6471acf01ffc, version 7, effective November 30, 2023. NDC 0713-0132, one of 4 listings for this product.