The best for you that your health care professional check your progress at regular appointments . This will allow your dosage to be adjusted to your changing needs and will allow any unwanted effects to be detected. These appointments are usually every 12 months when you are taking progestins by mouth for birth control.
Progestins may cause some people to become dizzy . Make sure you know how you react to this drug before you drive, use machines, or do anything else that could be dangerous if you are not alert.
Vaginal bleeding of various amounts may occur between your regular menstrual periods during the first 3 months of use. This is not unusual and does not mean you must stop the drug. This is sometimes called spotting when the bleeding is slight, or breakthrough bleeding when it is heavier. If this occurs, continue on your regular dosing schedule Check with your family doctor :
Missed menstrual periods may occur If you suspect a pregnancy, you must call your family doctor immediately .
If you are scheduled for any laboratory tests, tell your health care professional that you are taking a progestin. Progestins can change certain test results.
The following medication might reduce the effectiveness of progestins for contraception:
If you vomit your oral progestin-only contraceptive for any reason within hours of taking it, do not take another dose. Return to your regular dosing schedule and use an additional back-up method of birth control for 48 hours.
If you are receiving levonorgestrel tablets for emergency contraception and vomiting occurs within 1 hour of taking either dose of the drug, contact your physician to discuss whether the dose must be repeated.