urinary tract infection
"This is the third antibiotic in 2 weeks used for a UTI. Yes the drug has been effective in healing the infection. However. It would not be my 1st choice. 
I've had muscle pain in my legs and feet
Exhaustion. Insomnia.grotesque nightmares. Weakness unsteadiness walking. Nausea dry mouth with a taste of metal in my mouth.."