You should consult your health care provider for the following:
- If you have not started menstruating by the age of 16.
- If your period has suddenly stopped.
- If you are bleeding for more days than usual.
- If you are bleeding excessively.
- If you suddenly feel sick after using tampons.
- If you bleed between periods (more than just a few drops).
- If you have severe pain during your period.