Beyaz is a contraceptive pill. It is manufactured by Bayer HealthCare. It contains drospirenone, ethinyl estradiol, and levomefolate. Drospirenone and ethinyl estradiol are female hormones. They prevent release of an egg from ovary and also help to thicken cervical and uterine lining. Due to this thickening, sperm cannot reach uterus and thus fertilization is prevented. Levomefolate is a type of vitamin B. It helps in prevention of birth defects, if a woman gets pregnant, while using this pill or immediately after stopping this pill.

Other uses of Beyaz include treatment of mild acne in woman more than 14 years, who have started having menstrual periods and wish birth control alongside. It is also used for treatment of symptoms of premenstrual dysphoric disorder or PMDD. These symptoms include anxiety, depression, irritability, trouble concentrating, lack of energy, sleep disorders, changes in appetite, tenderness of breast, joint or muscle pain, headache, and weight gain.

Patients should use other form of contraceptive alongside this pill for at least a week, as it takes little time to start functioning in the body. Pills should be taken as scheduled, unless it will not serve its purpose. Patients should stick to prescribed dosages as its overdose could adversely affect them. Overdose symptoms of this drug are nausea, vomiting, or vaginal bleeding. It does not protect from sexually transmitted diseases

This medicine should not be used in pregnancy or suspected pregnancy as it is meant for prevention of pregnancy. Patients should immediately consult a medical practitioner, if they are pregnant, while using this pill. Patients should wait for at least 4 months after giving birth to start these pills.

Patients who are suffering from heart valve disorder, a history of stroke, a history of blood clots, history of heart attack, circulation problems, a blood-clotting disorder, coronary heart disease, breast or uterine cancer, unusual vaginal bleeding, kidney or liver disease should avoid this medicine. Other medical conditions such adrenal gland disorder; uncontrolled high blood pressure, severe migraines or jaundice also demands avoiding this medicine. Patients who are 35 or older or smoke, while having this drug are at more risk of developing heart or blood clotting problems.

Patients suffering from high cholesterol or triglycerides, high levels of potassium in blood, diabetes, seizures, epilepsy or depression should also avoid this medicine. Hormones present in this medicine can easily pass in the breast milk and thus could easily reach to the breast-feeding infant and harm them. Nursing mothers should be cautious while using this medicine.

Use of this drug could cause weakness, confusion, changes in vision, speech or balance, allergic reactions, chest pain or headache. It could also cause migraine or worsen existing migraine. It could also cause jaundice or depression. Use of this medicine could also produce pain, tenderness or swelling in the breast. Other side effects include bloating, stomach pain, nausea or weight gain. It could also result into decrease in sexual desire or  changes in menstrual periods. Some patients may suffer from unusual vaginal bleeding.