Best Medicines for Irregular Periods in India
Treatment depends on cause: hormonal, thyroid, PCOS, or stress.
Last updated: October 2026
Norethisterone
Use: Regulates menstrual cycle.
Side effects: Bloating, mood changes
Side effects: Bloating, mood changes. Regulates menstrual cycle.
Combined oral contraceptive pill (desogestrel + ethinylestradiol)
Use: Regulates periods. Also prevents pregnancy.
Side effects: Nausea at first, breast tenderness, spotting between periods. Slightly raises the risk of blood clots. Not suitable if you smoke and are over 35.
Side effects: Nausea at first, breast tenderness, spotting between periods. Slightly raises the risk of blood clots. Not suitable if you smoke and are over 35. Regulates periods. Also prevents pregnancy.
Progesterone
Use: Induces period in amenorrhea.
Side effects: Drowsiness, dizziness, headache, breast tenderness, tummy cramps or bloating. Take care driving or using machines if you feel drowsy or dizzy.
Side effects: Drowsiness, dizziness, headache, breast tenderness, tummy cramps or bloating. Take care driving or using machines if you feel drowsy or dizzy. Induces period in amenorrhea.
When to See a Doctor
If you miss 3 periods in a row, your periods come less than 21 days or more than 35 days apart, they last more than 7 days, you bleed between periods, bleeding is very heavy, or you are trying to conceive. Also see a doctor if irregular periods come with weight gain, tiredness, facial hair growth, or dry or oily skin.
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The medicines, Indian brands and advice on this page were checked against these treatment guides and product listings.
Medical Disclaimer: This information is for educational purposes only and does not replace professional medical advice. The medicines listed may require a prescription. Dosage, suitability, and safety depend on individual health conditions. Always consult a licensed doctor or pharmacist before starting any medication.