Optiray 300 and SPB11

• Generic Name: ioversol
• Dosage Forms: n.a.
• Other Brand Names: Optiray 240, Optiray 300, Optiray 320, Optiray 350, Optiray 160

Optiray 300 is a radiopaque (RAY dee oh payk) contrast agent. This medicine contains iodine, a substance that absorbs x-rays. Contrast agents are used to allow blood vessels, organs, and other non-bony tissues to be seen more clearly on a CT scan or other radiologic (x-ray) examination.

Optiray 300 is used to help diagnose certain disorders of the heart, brain, and blood vessels.

Optiray 300 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.