"What are birth control pills and how do they work?
Birth control pills are also known as oral contraceptives (OCs) or, simply, “the pill.” They offer protection against pregnancy by blocking the union of sperm and egg, thereby prevent"...
Combination hormonal contraceptives do not protect against HIV infection or other sexually-transmitted diseases. The risk of cardiovascular side effects increases in women who smoke cigarettes, especially those who are >35 years of age; women who use combination hormonal contraceptives should be strongly advised not to smoke. Combination hormonal contraceptives may lead to increased risk of myocardial infarction, use with caution in patients with risk factors for coronary artery disease. May increase the risk of thromboembolism. Combination hormonal contraceptives may have a dose-related risk of vascular disease, hypertension, and gallbladder disease. Women with hypertension should be encouraged to use a nonhormonal form of contraception. The use of combination hormonal contraceptives has been associated with a slight increase in frequency of breast cancer, however, studies are not consistent. Combination hormonal contraceptives may cause glucose intolerance. Retinal thrombosis has been reported (rarely). Use with caution in patients with renal disease, conditions that may be aggravated by fluid retention, depression, or history of migraine. Not for use prior to menarche.
The minimum dosage combination of estrogen/progestin that will effectively treat the individual patient should be used. New patients should be started on products containing <50 mcg of estrogen per tablet.
Included as part of the WARNINGS section.This monograph has been modified to include the generic and brand name in many instances.
Last reviewed on RxList: 12/8/2004
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