Besides the benefits, every single medicine has to have at least some of the unwanted effects, though it does not mean that all of them are serious, or that all of them have to occur to everyone who decides to take that medicine. However, it is useful to be acquainted with the main and the most common symptoms in order to prevent unnecessary panic in cases a mild one appears, or not to waste time waiting for it to disappear by itself, in the cases where a symptom which appears requires medical help.
As far as loestrin 20 is concerned, besides this the fact that is it is one of the oral contraceptives which are used for the prevention of unwanted pregnancy, researches have confirmed that, after approximately 10 years of its use, the risk of developing ovarian cancer is more than twice as lower than in women who haven't been using it. The risks of developing endometrial cancer, benign breast tumor, ovarian cysts, pelvic inflammatory disease and anemia caused by iron deficiency are decreased as well, which only implies the benefits of this oral contraceptive.
But when it comes to the side effects there are certainly serious and less serious symptoms which deserve attention and which should not be ignored. Loestrin 20 may cause nausea in some women, but it usually happens only during the first cycle of the therapy, and after that, this symptom goes off. Women who smoke or who have some kind of systemic disease are not advised to use any oral contraceptive, including this one, because it may increase the risk of coronary heart disease, pulmonary embolism or even stroke, while women until the age of 45 who are healthy and who do not smoke, do not have to worry about this possibility. They are Extremely rarely reported in this kind of a cases of arterial or venous thrombosis.
Side effects that are related to the endocrine system are related to the alterations of plasma lipid profiles (levels of HDL and LDL cholesterol) and glucose tolerance or metabolism of carbohydrates, but it is also possible that women, who used loestrin 20 may have problems with delayed conception after they stop using it. Loestrin 20 may also have bad effect on liver, thus causing hepatic granulomas, liver cell adenomas, focal nodular hyperplasia, and other conditions, some of which even resulting in the fatal outcome. In some very rare cases, it has been reported that women experience depression, panic attacks, problems with vision and certain problems with genitourinary tract.