Strep for 5+ weeks?

Hello, I've never posted here before but I'm extremely worried. I have bad health anxiety and this is sending it through the roof... I've have strep G off and on for 5 weeks now and nothing seems to be working. 

has anyone else had this?

im obviously worried about tonsil cancer... because strep isn't supposed to last this long.

my symptoms are white spots, sore throat, swollen tonsils but one is always worse, red throat, sometimes ear and neck pain...

I was hoping these stronger antibiotics would work but it seems futile as they didn't... 2 days after finishing the course the symptoms have started to come back.

I'm 19 and biologically female btw.. (20 next month).