I am experiencing sudden urge to urinate, cloudy urine, thick mucus discharge and low back pain. The following also describe me: Frequent urinatio...

UTI. Your symptoms seem like be having from a urinary tract infection. Please kindly see your primary care doctor if you are able to get an appointment soon enough. Other wise please go to nearest urgent care so that your urine can be checked and appropriate medications can be initiated.
UTI. you may very well have Urinary Tract Infection, so you need to see your doctor soon, meanwhile push clear fluids, rest and pain killers as needed, good luck.