Medication for Menstrual Irregularities: Your Questions Answered - Obstetrics and Gynecology

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I haven't had my period for a month, so I went to see a doctor.
The physician said my uterus is normal and prescribed me two days' worth of [Provera 10 mg] to take after each meal.
Is this dosage sufficient? I read online that it should be taken for about 4 to 5 days.
After finishing the medication, how many days will it take for my period to come? Will it come immediately after taking the medication?

Y, 10~19 year old female. Ask Date: 2020/03/13

Dr. Huang Yuande reply Obstetrics and Gynecology


Thank you for your question.
A two-day dosage may be slightly low; typically, menstruation will occur 2 to 5 days after finishing the medication.

Reply Date: 2020/03/13

More Info


When dealing with menstrual irregularities, it is essential to understand the underlying causes and the medications prescribed to manage these issues. In your case, the doctor has prescribed Provera (medroxyprogesterone acetate), which is a synthetic form of the hormone progesterone. This medication is commonly used to help regulate menstrual cycles, especially in cases where menstruation has been absent for a while, a condition known as amenorrhea.


Dosage and Duration
You mentioned that you were prescribed 10 mg of Provera to be taken for two days after meals. While some doctors may prescribe a short course of Provera for just a couple of days, it is more common to take it for a longer duration, typically 5 to 10 days, depending on the individual case and the doctor's assessment. The dosage and duration can vary based on the specific situation, including the patient's health history and the reason for the irregularity.


Expected Timing for Menstruation
After completing a course of Provera, menstruation typically occurs within a few days. Most women will experience withdrawal bleeding about 3 to 7 days after stopping the medication. However, this can vary from person to person. Some may find that their period starts shortly after they stop taking the medication, while others may take a bit longer. It is important to note that Provera does not induce an immediate menstrual response; rather, it works by mimicking the natural hormonal cycle of the body.


Factors Influencing Menstrual Irregularities
There are several factors that can contribute to menstrual irregularities, including hormonal imbalances, stress, significant weight changes, excessive exercise, and underlying medical conditions such as polycystic ovary syndrome (PCOS) or thyroid disorders. Since your doctor has indicated that your uterus is normal, it suggests that there may not be any structural issues affecting your menstrual cycle. However, if your periods do not resume after taking Provera, or if you experience other concerning symptoms, it would be wise to follow up with your healthcare provider for further evaluation.


Additional Considerations
1. Monitoring Symptoms: Keep track of any additional symptoms you may experience while taking Provera, such as mood changes, breast tenderness, or changes in weight. These can be side effects of the medication and should be discussed with your doctor.

2. Follow-Up: If your period does not return after the course of Provera, or if you have any concerns about your menstrual health, it is crucial to have a follow-up appointment with your healthcare provider. They may recommend further testing or alternative treatments based on your individual needs.

3. Lifestyle Factors: Consider lifestyle factors that may be affecting your menstrual cycle. Stress management, a balanced diet, regular exercise, and maintaining a healthy weight can all contribute to better menstrual health.

4. Long-Term Management: If you continue to experience irregularities, your doctor may explore other hormonal treatments or lifestyle modifications to help regulate your cycle.

In summary, while the prescribed dosage of Provera may seem short, it is essential to follow your doctor's instructions and monitor your body's response. Expect your period to return within a few days after completing the medication, but be prepared to consult your healthcare provider if it does not. Understanding your body and maintaining open communication with your healthcare provider is key to managing menstrual irregularities effectively.

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