Antinaus 50 and Chenodiol

• Generic Name: promethazine
• Dosage Forms: n.a.
• Other Brand Names: Phenadoz, Promethegan, Phenergan

Promethazine injection is used to relieve or prevent some types of allergy or allergic reactions. It works by preventing the effects of a substance called histamine, which is produced by the body. Histamine can cause itching, sneezing, runny nose, and watery eyes. It can sometimes close up the bronchial tubes (air passages of the lungs) and make breathing difficult.

Promethazine is also used to prevent and control motion sickness, nausea, vomiting, and dizziness. In addition, it may be used to help people go to sleep and control their pain or anxiety before or after surgery or other procedures.

Promethazine may also be used for other conditions as determined by your doctor.

This medicine is only available with your doctor's prescription.

• Generic Name: chenodeoxycholic acid
• Dosage Forms: n.a.
• Other Brand Names: Chenodal

Chenodiol is made from bile acid, a substance that occurs naturally in the body.

Chenodiol is used to dissolve gallstones in people who cannot have gallbladder surgery.

Chenodiol may also be used for purposes not listed in this medication guide.