Overview: Transdermal estradiol is available as a patch, gel, or spray that is applied to the skin to increase estrogen levels. It is used after menopause to prevent osteoporosis or to reduce vaginal ...

For women who have stopped menstruating due to anorexia and/or excessive exercise — a condition known as functional hypothalamic amenorrhea (FHA) — the use of transdermal hormone replacement therapy ...

Overview: Transdermal nitroglycerin is an ointment or a patch that is used on the skin to reduce your risk of having chest pain from heart disease. The most common side effects of transdermal ...