"Almost everyone either has old antibiotics in their medicine cabinet or knows people that do. This is likely to result in an overdose. Symptoms of overdose include blood in the urine. Cephalexin belongs to a class of antibiotics called cephalosporins."
Keflex is a semi-synthetic cephalosporin antibiotic for oral administration. There is a specific need for it. Keflex is a cephalosporin antibiotic used to treat a wide variety of germs, including those that cause infections of the skin and other soft tissues, bone infections, pneumonia, and bladder infections. People with kidney problems should receive Cephalexin only under careful medical supervision as the dosage will most likely have to be modified to prevent toxicity.