The short explanation
Some medicines originally used for diabetes are also used in PCOS, even when blood sugar is normal. They work by helping the body respond better to insulin. In PCOS, high insulin levels push the ovaries to make more androgens, so lowering insulin can help periods become more regular, support ovulation, and, for some women, help with weight and lower the risk of diabetes later. Being given this medicine does not mean you have diabetes. It is a common and well-studied use. Like all medicines, it can have side effects, often stomach upset or loose stools at the start, which may settle with time. Your doctor can explain how to reduce these and how long you might use it.
What depends on your situation
The parts of this that change from woman to woman. Uncertainty is stated, not hidden.
- Tell your doctor about other medicines and any kidney or liver problems, as these affect whether the medicine is suitable.
- The medicine works best together with healthy eating and activity.
- If side effects are troublesome, do not just stop; talk to your doctor about options.
What this answer cannot determine
The boundary of online education. These need a clinician who can see you.
- This answer cannot tell whether this medicine is right for you. Your doctor can explain why they chose it and what to expect.
Questions for your clinician
Take these with you. You can add any of them to an appointment card.
- Why do you recommend this medicine for my PCOS?
- What side effects should I expect, and how can I reduce them?
- How long will I need it?
- How will we know if it is helping?
When to seek help
Clinician-approved guidance for this topic. When in doubt, being seen is never the wrong choice.
Get help the same day
- Get care the same day if you have severe stomach pain, persistent vomiting, or feel very unwell after starting the medicine.
Book an appointment soon
- See your doctor within a few days if side effects make it hard to continue.
Raise it at a routine appointment
- Book a follow-up after a few months to review how the medicine is working.
Sources
The evidence this explanation is built on.
- Polycystic ovary syndrome (PCOS) NHS
- Prediabetes MedlinePlus (US National Library of Medicine)
- Prediabetes Cleveland Clinic
Who wrote and reviewed this
Every AskHer answer names its author. A clinically reviewed answer also names the clinician who signed it off — if no clinician is named below, it has not been clinically reviewed.
- Author
- AskHer Editorial (AI-assisted draft) AskHer's editorial team — not an individual clinician Works in English, தமிழ், हिन्दी
- Clinical reviewer
- Nobody yet No clinician has signed this answer off, and no person on the editorial team has read it yet. That is what the “Written with AI assistance” label means. It is queued for an editor to read, and then for a clinician who works in this area. The sources it was drafted against are listed above.
- Review status
- Written with AI assistance — not yet reviewed by a person
- Last reviewed
- Not yet reviewed by a person
- Version
- 1
Correction history
Substantive changes are listed, not quietly edited away.
No corrections have been made since this answer was first published.
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