I have taken this drug for the full 5 days but only because my ut...

I have taken this drug for the full 5 days but only because my uti was so accute and I wasnt able to start a new drug. it has been awful. Tremours and shakes in hands and legs, nausea, aches in bones and muscles throughout my body, so bad one night I thought I had flu..and I mean real flu which i had 6 years ago. Sweats and chills also. Even today, the last day, my back is aching and so is my neck. I have been told that this drug is prescribed because it is cheap. i will never take it again. I dont know how long these side effects last.