Keflex

Special information if you are pregnant or breastfeeding

The effects of Keflex during pregnancy have not been adequately studied. If you are pregnant or plan to become pregnant, notify your doctor immediately. Keflex appears in breast milk and could affect a nursing infant. If this medication is essential to your health, your doctor may advise you to discontinue breastfeeding until your treatment is finished.

Recommended dosage

ADULTS

Throat, Skin, and Urinary Tract Infections

The usual adult dosage is 500 milligrams taken every 12 hours. Cystitis (bladder infection) therapy should be continued for 7 to 14 days.

Other Infections

The usual recommended dosage is 250 milligrams taken every 6 hours. For more severe infections, larger doses may be needed, as determined by your doctor.

CHILDREN UNDER 15 YEARS OLD

Keflex

The usual dose is 25 to 50 milligrams for each 2.2 pounds of body weight per day, divided into smaller doses.

For strep throat in children over 1 year of age and for skin infections, the dose may be divided into 2 doses taken every 12 hours. For strep infections, the medication should be taken for at least 10 days. Your doctor may double the dose if your child has a severe infection.

For middle ear infection, the dose is 75 to 100 milligrams per 2.2 pounds per day, divided into 4 doses.

Keftab

Safety and effectiveness have not been established in children.

Overdosage

Any medication taken in excess can have serious consequences.

If you suspect an overdose, seek emergency medical treatment immediately.

• Symptoms of Keflex overdose may include:
  Blood in the urine, diarrhea, nausea, upper abdominal pain, vomiting