An Introduction to Side Effects of Gildess Fe
As with any medicine, Gildess®
Fe (norethindrone/ethinyl estradiol) may cause side effects. However, not every woman who uses it will experience problems. In fact, most women tolerate it quite well.
If reactions do occur, in most cases, they are minor and either require no treatment or are treated easily by you or your healthcare provider.
(This article covers many, but not all, of the possible side effects with this drug. Your healthcare provider can discuss a more complete list with you.)
Clinical Studies on Contraceptives
Before medications are approved, they must undergo clinical studies to show that they are both safe and effective. In clinical studies for most medications, one group of people receives the medication, while another group is given a placebo (a "sugar pill" that does not contain any active ingredients). Usually, the people are not told if they were given the real medication or the placebo.
The side effects in both groups are carefully documented and compared. As a result, it is possible to see what side effects occur, how often they appear, and whether they are actual side effects of the medication. However, it is not possible to use a placebo in clinical trials for contraceptives, as this would lead to many unintentional pregnancies. Such studies are considered unethical.