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Can Isotretinoin delay menstrual periods?

This Premium Q&A, reviewed and published, features a real conversation between an iCliniq user and a physician.

Patient's Query

Hello doctor,

My periods are late, and have been on Isotretinoin for the past four months. Is it normal?

Kindly help.

Answered by Dr. Khushbu Chaudhari

Education:

MBBS

Professional Bio:

Dr. Khushbu is a compassionate specialist in obstetrics and gynecology with a focus on women’s health across all life stages. She has expertise in managing high-risk pregnancies, menstrual disorders, fertility issues, and preventive gynecological care. Dr. Husenali is committed to providing supportive, evidence-based treatment that empowers women to make informed health decisions with confidence and comfort.

This doctor is not available for online consultations on the platform anymore.

Hello,

Welcome to icliniq.com.

I read your query and can understand your concern.

While Isotretinoin (commonly used for acne) is not directly linked to menstrual irregularities in most cases, your late periods could be influenced by several factors. Here is a structured approach to address your concern:

1. Rule out pregnancy: Take a pregnancy test if you are sexually active.

2. Low body weight: Your BMI (body mass index) is 17.7 (underweight), which can disrupt menstrual cycles due to low body fat affecting hormone production (for example estrogen). This may lead to hypothalamic amenorrhea (missed periods from energy imbalance). Address nutritional intake and consider consulting a dietitian.

3. Isotretinoin considerations: At 10 mg/day (a low dose), Isotretinoin is unlikely to directly cause menstrual irregularities. However, rare hormonal effects or stress from acne treatment might contribute. Report this to your dermatologist for monitoring.

4. Other potential causes: Stress, excessive exercise, or PCOS (polycystic ovarian syndrome) can delay periods. Track symptoms like acne, hair growth, or weight changes. A doctor may check TSH (thyroid stimulating hormone), prolactin, or estrogen levels.

Next Steps:

  1. Take a pregnancy test (urgent).

  2. Consult here or a local gynecologist to evaluate causes (for example blood tests, pelvic ultrasound).

  3. Address low weight or nutrition to support hormonal health.

  4. Continue Isotretinoin as prescribed but ensure close follow-up.

    I hope this helps.

    Take care.

Medically reviewed by iCliniq medical review team
Published At May 13, 2025
Reviewed At May 15, 2025

Education:

MBBS

Professional Bio:

Dr. Khushbu is a compassionate specialist in obstetrics and gynecology with a focus on women’s health across all life stages. She has expertise in managing high-risk pregnancies, menstrual disorders, fertility issues, and preventive gynecological care. Dr. Husenali is committed to providing supportive, evidence-based treatment that empowers women to make informed health decisions with confidence and comfort.

This doctor is not available for online consultations on the platform anymore.

Same symptoms don't mean you have the same problem. Consult a doctor now!

Education:

MBBS

Professional Bio:

Dr. Khushbu is a compassionate specialist in obstetrics and gynecology with a focus on women’s health across all life stages. She has expertise in managing high-risk pregnancies, menstrual disorders, fertility issues, and preventive gynecological care. Dr. Husenali is committed to providing supportive, evidence-based treatment that empowers women to make informed health decisions with confidence and comfort.

This doctor is not available for online consultations on the platform anymore.

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