Does Thyroid Medication Affect Menstrual Cycle?

Sarah Jenkins
Sarah Jenkins
• • 6 min read

Thyroid Medication If It Doesn't Make Enough -- a Condition Called Hypothyroidism -- Your Periods Can Be Irregular. One Drug People Take to Treat...

Does Thyroid Medication Affect Menstrual Cycle?

Thyroid Medication
If it doesn't make enough -- a condition called hypothyroidism -- your periods can be irregular. One drug people take to treat hypothyroidism is called levothyroxine (Levoxyl, Synthroid). It replaces the hormones normally made by your thyroid, and it can cause changes in your period.

Does thyroid medication regulate periods?

Your thyroid helps control your menstrual cycle. Too much or too little thyroid hormone can make your periods very light, heavy, or irregular.

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What medication can affect menstrual cycle?

Certain medications can interfere with your menstrual cycle, including:
  • hormone replacement therapy.
  • blood thinners.
  • thyroid medications.
  • epilepsy drugs.
  • antidepressants.
  • chemotherapy drugs.
  • aspirin and ibuprofen.
Sarah Jenkins

Sarah Jenkins

Senior Technology Editor & AI Specialist
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Sarah Jenkins is a veteran tech journalist with over 12 years of experience covering artificial intelligence, mobile innovations, and digital ethics. Her insights have appeared in leading technology publications worldwide.