please help
HI. This may or May not be related to the unprotected sex. All your symptoms are suggestive of left sided kidney infection and can be due to sex., as the infection of the urinary tract are common in female as the length of urethra is small, and the infection can travel very fast up to kidney. Get an urgent ultrasonography, urine - routine, microscopy and culture & sensitivity test. Take plenty of water and oral fluids. Consult a Urologist if required.