pale skin, cold hands and feet; yellowed skin, dark colored urine; fever, weakness; or
Keflex should be used with caution in patients
Severe aches and pains In very rare cases, fluoroquinolone antibiotics can cause disabling, long-lasting or permanent side effects affecting the joints, muscles and nervous system
Increased creatinine
Abdominal pain
Cephalexin is an antibiotic that belongs to the class of drugs known as cephalosporins