Hello there! Pain in the areas you mentioned and whitish discharges and negative pregnancy tests and feeling better on drinking alot of water and burning micturition is all very classic of Urinary tract infection with vaginal discharge most probably Bacterial vaginosis or candidiasis. All you need is some Sitz baths and proper hygiene and toilet techniques Avoid irritants in the vaginal area, such as perfumes, soaps, and panty liners, among others. After swimming or exercise, which keeps the vaginal area moist, air-dry the area or change the underwear. Always clean the area from front to back. Reduce simple carbohydrates, refined foods, and alcohol to reduce frequent/persistent yeast infection. increase Acidophilus supplements in the diet to prevent recurrence infections, especially if patients are taking antibiotics. Increase the intake of Garlic Practice safe sexual intimacy Avoid douching as it may may actually exacerbate symptoms Keep Good hygiene, Drink plenty of fluids Avoid tight undergarments, wear 100% cotton underwear, and keep the area dry Start metronidazole orally 400 mg for 7 days twice a day. use topical clotrimazoles before bed time Use Hypoallergenic hygiene lotions like biomousee gel to relieve itching take Tinidazole 2 g orally in a single dose Use 500 mg ciprofloxacin twice a day for 5 days. I am sure my advices will help. Its the matter of extent to which you plan to follow. Take good care regards Dr S khan