Hello
Tonsillitis is a bacterial infection treated by antibiotic for that reason the treatment was effective .
But what you have described as symptoms around your
vulva is more a yeast infection.
The antibiotic could be a factor helped in their growth, when antibiotics enter your system they attack the bad bacteria that are making you sick.
But they can also destroy the good bacteria in your system, creating an opening for
fungal infection, but surely we should use the antibiotic when is needed even with his side effect.
For the treatment you need a course of antifungeal treatment as a vaginal tablet- 1 tablet by day for at least three days before going to bed associated with antifungeal cream applied two times daily for two weeks and you should wash the area with baking soda ( vaginal douche with ph 9.0).
Keep the area clean and use cotton underwears.
If your partener has the same symptoms he should be treated, because the yeast infection is contagious.
Hope I answered your question
Wish you a speedy recovery
Best regards
Dr.Noor Farid