Menstrual Changes After Stopping Medication: What to Do Next? - Obstetrics and Gynecology

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Menstruation occurs during the use of menstrual regulation medication?


Hello Doctor, I started taking Chingna tablets for menstrual regulation in April, and I return every three months to get my prescription.
Recently, I paused the medication after my period in September due to concerns about the risk of thrombosis from the COVID-19 vaccine.
I received the vaccine on October 26 and resumed taking the medication on October 28.
However, after taking the white pill, my period started the next day (I missed one pill in between), and the flow is heavier than when I was previously on the medication.
Should I continue taking the blue pill? Or should I wait until this period is over and then start a new pack? Thank you!

Miss Wang, 30~39 year old female. Ask Date: 2021/11/10

Dr. Wu Xianghui reply Obstetrics and Gynecology


It is recommended to resume taking it after your menstrual period ends.

Reply Date: 2021/11/10

More Info


When it comes to menstrual changes after stopping medication, particularly hormonal treatments like the one you mentioned (likely a form of hormonal contraceptive), it's important to understand how these medications work and how stopping them can affect your body.

Hormonal medications, such as those used for regulating menstrual cycles, can influence your hormonal balance significantly. When you stop taking these medications, your body may take some time to readjust to its natural hormonal rhythm. This adjustment period can lead to changes in your menstrual cycle, including variations in flow, timing, and symptoms.

In your case, it appears that after stopping the medication, you experienced an early onset of menstruation with heavier flow. This can happen for several reasons:
1. Hormonal Fluctuations: Stopping hormonal medications can lead to fluctuations in estrogen and progesterone levels, which can cause irregular bleeding or heavier periods as your body tries to recalibrate.

2. Missed Dose: Missing a dose can also disrupt the hormonal balance, leading to unexpected bleeding. It’s essential to take medications consistently to maintain their effectiveness.

3. Underlying Conditions: If there are any underlying conditions affecting your menstrual cycle, such as polycystic ovary syndrome (PCOS) or fibroids, these may also contribute to changes in your menstrual pattern when you stop taking hormonal medications.

Regarding your question about whether to continue taking the blue pills (which I assume are part of your medication regimen), it’s generally advisable to follow the instructions provided by your healthcare provider. If you have missed a dose, the typical recommendation is to take the missed dose as soon as you remember, unless it’s almost time for your next dose. In that case, skip the missed dose and continue with your regular schedule.
However, since you are experiencing a menstrual period, it may be best to wait until your current cycle is complete before starting a new pack of medication. This approach helps to ensure that your body can reset and that you can monitor how your menstrual cycle behaves without the influence of the medication for a short period.

Here are some steps you can take moving forward:
1. Monitor Your Cycle: Keep track of your menstrual cycle, noting the start and end dates, flow intensity, and any symptoms you experience. This information can be helpful for your healthcare provider.

2. Consult Your Doctor: Since you have experienced changes in your menstrual cycle, it’s a good idea to consult your healthcare provider. They can provide personalized advice based on your medical history and current situation. They may suggest continuing with the medication or adjusting your treatment plan.

3. Consider Lifestyle Factors: Stress, diet, and exercise can also impact your menstrual cycle. Ensure you are maintaining a balanced diet, managing stress, and engaging in regular physical activity.

4. Be Patient: It may take a few cycles for your body to adjust after stopping hormonal medication. If your menstrual irregularities persist or worsen, seek medical advice.

In summary, while it’s common to experience changes in your menstrual cycle after stopping hormonal medications, it’s essential to monitor these changes and consult with your healthcare provider for tailored advice. They can help you navigate your treatment options and ensure that you maintain your reproductive health effectively.

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