is it normal to have period every 18 days when on spironolactone? I wasn't able to get my period without taking pills beforehand

Question

I'm 18, had accutane4 years ago, since then I've had problems getting my period. Cycle wasn't coming naturally (i could wait for 4 months and nothing), then I was on progesterone and started getting my period again, but cycle wasn't regular (+ 35 days). I stopped taking progesterone and waited to see if my body would take over on its own, didn't work. later I started taking spironolactone for facial hair reduction and acne, and I surprisingly got my period after 4months of nth, cycle is 18 days

Anna Chacon, MD, FAAD · Answer

Spironolactone can indeed affect your menstrual cycle, as it has anti-androgen effects. It's not uncommon for women taking spironolactone to experience changes in their menstrual cycles, including irregular periods or spotting. However, a cycle as short as 18 days is not typical and should be evaluated by your healthcare provider.
Furthermore, considering your history of irregular periods and the fact that you needed progesterone to induce menstruation, it is important to rule out conditions such as Polycystic Ovary Syndrome (PCOS), which can cause both menstrual irregularities and symptoms like acne and increased facial hair.
Remember, it's important to discuss these changes and concerns with your healthcare provider, who can evaluate your symptoms in the context of your overall health and medical history. They may recommend additional tests or treatments to help manage your symptoms and regulate your menstrual cycle.

is it normal to have period every 18 days when on spironolactone? I wasn't able to get my period without taking pills beforehand

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