Take Keflex exactly as prescribed by your doctor. Follow all directions on your prescription label and read all medication guides or instruction sheets.
Do not use Keflex to treat any condition that has not been checked by your doctor.
Use this medicine for the full prescribed length of time, even if your symptoms quickly improve. Skipping doses can increase your risk of infection that is resistant to medication. Cephalexin will not treat a viral infection such as the flu or a common cold.
Do not share Keflex with another person, even if they have the same symptoms you have.
This medicine can affect the results of certain medical tests. Tell any doctor who treats you that you are using this medicine.
Store the tablets and capsules at room temperature away from moisture, heat, and light.
 Detailed Keflex dosage information
What happens if I miss a dose?
Take the medicine as soon as you can, but skip the missed dose if it is almost time for your next dose. Do not take two doses at one time.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
Overdose symptoms may include nausea, vomiting, stomach pain, diarrhea, and blood in your urine.
