Talk to your primary health care provider or your gynecologist if:
Cramps are normally worst during the first two to three days of your period, then ease as prostaglandin levels in the body return to normal. If cramps stay about the same throughout your period, or if over-the-counter painkillers don't really work, see a doctor.
- Your cramps are severe
- Your bleeding is excessive, lasts longer than seven days, occurs often or at the wrong time of your cycle
- If you have not had your first period by age 16
- If it has been three months since your last period
- You think you might be pregnant
- You develop fever and feel sick after tampon use