8. After addiction, withdrawal from the use of caffeine can cause mood swings and irritability, similar to the symptoms of withdrawing from a narcotic or alcohol. 9. Consuming as little as 200mg of caffeine every day can lead to addiction and altered chemistry in the brain.
Progestin is a form of progesterone, a hormone that plays a role in the menstrual cycle and pregnancy. Progestin is used in combination with another hormone called estrogen in combined hormonal birth control pills, the vaginal ring, and the skin patch.
Progestin-only pills may be associated with less nausea, breast pain, weight gain, and mood changes than combination birth control pills. Many generic versions of the birth control pill are available at a lower cost than brand names. Ask your doctor or pharmacist if you prefer a generic birth control pill.