Dizziness and Fainting During Menstruation: When to Seek Help - Neurology

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Syncope, menstrual period, cold sweats, weakness in hands and feet?


Dear Doctor,
I would like to inquire about issues related to dizziness.
I usually do not experience menstrual pain, but since starting college, I have had three instances during my menstrual period where I suddenly felt faint, and it happened again today! The symptoms typically include dizziness, weakness in my limbs, cold sweats, pale complexion, and gradually blurred vision.
On two occasions, I also experienced mild abdominal pain (which did not last long, just a brief moment).
However, I usually recover within a few minutes after resting in a cool, well-ventilated area (though I still feel a bit weak).
I don't think it's due to low blood sugar, as my previous experiences occurred after eating.
The weather today was rainy and not very hot.
This sudden fainting episode does not happen often, approximately once every 1 to 3 years, so I would like to know if I should see a doctor.
If I do see a doctor, which specialty would be most appropriate?

kk, 20~29 year old female. Ask Date: 2016/03/18

Dr. Gao Chunde reply Neurology


This is related to the issue of the parasympathetic nervous system and the decrease in blood pressure and heart rate, resembling symptoms of shock.
It is advisable to seek further evaluation from a physician, considering both cardiology and neurology specialists.

Reply Date: 2016/03/18

More Info


Dizziness and fainting during menstruation can be concerning symptoms, especially if they occur repeatedly. Based on your description, it seems that you experience episodes of dizziness, weakness, cold sweats, pale complexion, and blurred vision, particularly during your menstrual period. These symptoms can be indicative of several underlying issues, and it's important to understand when to seek medical help.

Firstly, the symptoms you describe could be related to a condition known as vasovagal syncope, which is a common cause of fainting. This occurs when your body overreacts to certain triggers, such as stress, pain, or prolonged standing, leading to a sudden drop in heart rate and blood pressure. During menstruation, hormonal changes can also contribute to these episodes, as they may affect blood flow and vascular tone.

Another possibility is that you may be experiencing dysmenorrhea, which is painful menstruation that can sometimes lead to systemic symptoms like dizziness and fainting. The abdominal pain you mentioned could be related to uterine contractions, which can cause discomfort and potentially lead to fainting if the pain is severe enough.

Additionally, it’s essential to consider other factors that could contribute to your symptoms, such as dehydration, low blood sugar, or anemia. If you have heavy menstrual bleeding, you might be losing more blood than your body can replace, leading to anemia, which can cause dizziness and fainting.
Given that these episodes have occurred multiple times, it would be wise to consult a healthcare professional. You should consider seeing a primary care physician or a gynecologist, as they can evaluate your symptoms in the context of your menstrual cycle and overall health. They may perform a physical examination, take a detailed medical history, and possibly order blood tests to check for anemia or other underlying conditions.

In the meantime, here are some general recommendations to manage your symptoms:
1. Stay Hydrated: Ensure you are drinking enough fluids, especially during your menstrual period. Dehydration can exacerbate dizziness.

2. Eat Regularly: Maintain a balanced diet and avoid skipping meals. Eating small, frequent meals can help stabilize your blood sugar levels.

3. Rest: If you feel faint, find a cool, comfortable place to sit or lie down until the symptoms pass. Elevating your legs can help improve blood flow to your brain.

4. Monitor Symptoms: Keep a diary of your menstrual cycle and any symptoms you experience. Note the timing, duration, and severity of your symptoms, as this information can be helpful for your healthcare provider.

5. Avoid Triggers: If you notice specific triggers that lead to your symptoms, try to avoid them when possible.

In conclusion, while occasional dizziness and fainting during menstruation can be benign, the recurrence of these symptoms warrants a medical evaluation. A healthcare provider can help determine the underlying cause and recommend appropriate treatment or management strategies. Don't hesitate to seek help, as addressing these symptoms early can lead to better health outcomes.

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