What are the possible side effects of Keflex (Cephalexin)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Call your doctor at once if you have any of these serious side effects: diarrhea that is watery or bloody seizure (convulsions) fever, sore throat, and headache with a severe blistering, peeling, and red skin rash pale or yellowed skin, dark colored urine, fever, confusion or weakness easy bruising or bleeding, unusual weakness confusion, agitation, hallucinations (seeing things that are not there); or urinating less than usual or not at all Less serious side effects may include: mild nausea, vomiting, diarrhea dizziness, tired feeling joint pain; or vaginal itching or discharge This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. You may report side effects to FDA at 1-800-FDA-1088.
