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Reduced menstrual flow
Hello Doctor, I am a 26-year-old female. I have been experiencing very light/less blood flow during my periods recently.
I am currently taking isotretinoin for my acne. Could the reduced menstrual flow be a side effect of isotretinoin, or could there be another underlying cause?
Please advise if I need any evaluation or tests. Thank you.
A clear cause-and-effect between isotretinoin and lighter periods is not established in the evidence, though a few users do report cycle changes. More commonly, lighter flow reflects stress, weight change, thyroid shifts or hormonal fluctuation. A basic hormone and thyroid check clarifies the picture.
Next Steps
Please book a gynaecology consult with your last three cycle dates and flow pattern; basic blood work will guide from there.
Health Tips
Do not stop your acne treatment on your own before that review.
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