Codeine, phenylephrine, and promethazine and SPB11

• Generic Name: codeine / phenylephrine / promethazine
• Dosage Forms: n.a.
• Other Brand Names: Promethazine VC with Codeine, Phenergan VC with Codeine, M-Phen

Codeine, phenylephrine, and promethazine is a combination medicine used to treat runny or stuffy nose, sneezing, cough, and sinus congestion caused by allergies or the common cold.

Codeine, phenylephrine, and promethazine contains a narcotic cough medicine and may be habit-forming.

Codeine, phenylephrine, and promethazine may also be used for purposes not listed in this medication guide.

• Generic Name: sodium phenylbutyrate
• Dosage Forms: oral powder
• Other Brand Names: Buphenyl

Sodium phenylbutyrate is used together with a proper diet to help treat urea cycle disorders (including a specific liver enzyme deficiency) that help remove ammonia (nitrogen) from the body.

Ammonia is formed from the breakdown of protein in the body. If the ammonia cannot be removed by the body, then a buildup may cause serious unwanted effects. This medicine works by helping to reduce high levels of ammonia in the blood.

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