It is used to prevent pregnancy.It may be given to you for other reasons. Talk with the doctor.
Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect: Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.; Signs of liver problems like dark urine, feeling tired, not hungry, upset stomach or stomach pain, light-colored stools, throwing up, or yellow skin or eyes.; Signs of high blood pressure like very bad headache or dizziness, passing out, or change in eyesight.; Signs of gallbladder problems like pain in the upper right belly area, right shoulder area, or between the shoulder blades; change in stools; dark urine or yellow skin or eyes; or fever with chills.; Weakness on 1 side of the body, trouble speaking or thinking, change in balance, drooping on one side of the face, or blurred eyesight.; Depression or other mood changes.; Feeling very tired or weak.; Eyesight changes or loss, bulging eyes, or change in how contact lenses feel.; A lump in the breast, breast pain or soreness, or nipple discharge.; Vaginal itching or discharge.; Spotting or vaginal bleeding that is very bad or does not go away.; This drug may cause you to swell or keep fluid in your body. Tell your doctor if you have swelling, weight gain, or trouble breathing.; Call your doctor right away if you have signs of a blood clot like chest pain or pressure; coughing up blood; shortness of breath; swelling, warmth, numbness, change of color, or pain in a leg or arm; or trouble speaking or swallowing.
If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call their local poison control center at 1-800-222-1222. Symptoms of overdose may include severe nausea and vomiting, sudden/unusual vaginal bleeding.
Do not use this drug if you smoke and are older than 35 years of age.; Be sure you know your body mass index (BMI). If you do not know, talk with your doctor. If your BMI is 25 or more, this drug may not work as well. Do not use this drug if your BMI is 30 or more. The risk of blood clots may be higher in women with a BMI of 30 or more.