 [ Symptoms ] will cephalexin clear up pink eye  i was diagnosed with pink eye today and was given cephalexin in the past i have been given eye drops for pink eye just wanted to know if oral antibiotic will clear this up [ Disease ] oral antibiotics including cephalexin will not clear up pink eye conjunctivitis if the cause is suspected to be bacterial a prescription antibiotic eye ointment or drops are used some causes of conjunctivitis would include allergy or viruses and do not require any antibiotics