If any of the following applies to you, you should see a medical professional:
- You haven’t started menstruating by age 16.
- You have amenorrhea that is unexplained (e.g. you are not pregnant, etc.).
- You have excessive or unusual bleeding or bleeding between periods.
- You have severe emotional symptoms leading up to your period.
- You suddenly feel sick after using tampons (there is a risk of toxic shock syndrome).
- You have severe pain before or during your period.