DaTscan and Zostavax

• Generic Name: ioflupane I 123
• Dosage Forms: injection, solution
• Other Brand Names: DaTscan

DaTscan (ioflupane I-123) belongs to a group of drugs called diagnostic radiopharmaceuticals (RAY dee oh far ma SOO tik als). Ioflupane I-123 is a radioactive agent that allows images of the brain to be detected by a gamma camera.

DaTscan is used to detect brain signs of Parkinson's disease in people with symptoms such as tremors, loss of balance or coordination, shuffling walk, or other movement problems.

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

• Generic Name: zoster vaccine live
• Dosage Forms: injection, powder, lyophilized, for suspension
• Other Brand Names: Zostavax

Zostavax (zoster vaccine live) is used to prevent herpes zoster virus (shingles) in people age 50 and older.

Herpes zoster is caused by the same virus (varicella) that causes chickenpox in children. When this virus becomes active again in an adult, it can cause herpes zoster, or shingles. Zoster vaccine is a live vaccine that helps prevent shingles.

Zostavax works by exposing you to a small dose of live virus, which causes the body to develop immunity to the disease. This vaccine will not treat an active infection that has already developed in the body.

Zostavax is used to prevent herpes zoster virus (shingles) in people age 50 and older.

Zostavax will not treat shingles or nerve pain caused by shingles (post-herpetic neuralgia).