Thanks for your query and proper history.
The commonest cause of feeling of throbbing in the vaginal area can be an inflammation going on. This can be an infected cyst or a small boil or an abscess in the offing.
Get an examination by a Gynecologist to get a confirmed diagnosis and a proper treatment .
If the examination is normal this can be due to a referred pan due to cystitis.,
Get the tests of the blood and urine including culture and sensitivity done.
Once you get the reports get a 3 week treatment of an antibiotic and supportive medicines.
Always insist on curative treatment .
Hope this helps you
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