There is no safe medicine that can reliably and immediately start a period within one hour
Do not take any pill or herbal product without a doctor’s advice
If your period is late, take a home pregnancy test first
If you may be pregnant, do not try to force a period
If you have severe pain, heavy bleeding, dizziness, or fainting, seek urgent medical care
If you want to regulate or induce periods, ask a gynecologist about safe options
Common prescription medicines for period delay are only used after medical evaluation
Avoid self-medicating with high doses of hormones or unknown “period start” remedies
If you are under 18, have irregular cycles, or have a medical condition, see a doctor before taking anything