DaTscan and Estring Vaginal Ring

• 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: estradiol topical
• Dosage Forms: n.a.
• Other Brand Names: Estrace Vaginal, Estring, Vagifem, Yuvafem, Imvexxy

Estring vaginal rings contain estradiol. Estradiol (a form of estrogen) is a female sex hormone necessary for many processes in the body. Estring releases estrogen that is absorbed directly through the skin of the vaginal wall.

Estring is used after menopause to treat moderate to severe menopausal changes in and around the vaginal area such as as dryness, burning, and itching of the vaginal area, urgency or irritation with urination, and pain during sexual intercourse).

Estring is an off-white, soft, flexible ring with a center that contains 2 mg of estradiol. The ring releases estradiol into the vagina in a consistent, stable manner for 90 days. It should be removed after 90 days of continuous use. If continued therapy is required, the ring should be replaced.