Orbivan and Prempro

• Generic Name: acetaminophen / butalbital / caffeine
• Dosage Forms: capsule
• Other Brand Names: Capacet, Esgic, Fioricet, Margesic, Medigesic, Orbivan, Repan, Vanatol LQ, Zebutal, Esgic-Plus, Arcet, Isocet, Pharmagesic, Anoquan, Two-Dyne, Tenake, Anolor 300, Femcet, Geone, Tencet, Triad, Fiorpap, Dolmar, Endolor, Ezol, Ide-cet, G-1, Minotal, Mygracet, Pacaps, Alagesic, Americet, Nonbac, Dolgic LQ, Dolgic Plus, Vanatol S, Alagesic LQ

Acetaminophen is a pain reliever and fever reducer.

Butalbital is in a group of drugs called barbiturates. It relaxes muscle contractions involved in a tension headache.

Caffeine is a central nervous system stimulant. It relaxes muscle contractions in blood vessels to improve blood flow.

Orbivan is a combination medicine used to treat tension headaches that are caused by muscle contractions.

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

• Generic Name: conjugated estrogens / medroxyprogesterone
• Dosage Forms: n.a.
• Other Brand Names: Premphase, Prempro

Prempro contains a combination of conjugated estrogens and medroxyprogesterone. Estrogen is a female sex hormone produced by the ovaries. Estrogen is necessary for many processes in the body. Conjugated estrogens are a mixture of estrogen hormones.

Medroxyprogesterone is a form of progesterone, a female hormone important for regulating ovulation and menstruation.

Prempro is used to treat menopause symptoms such as hot flashes and vaginal changes, and to prevent osteoporosis (bone loss) in menopausal women.

Prempro should not be used to prevent heart disease or dementia, because this medication may actually increase your risk of developing these conditions.