What is Keflex?

Keflex, also known as cephalexin, is an antibiotic used to treat a variety of bacterial infections. It belongs to a class of drugs called cephalosporin antibiotics.

Dosing Information

The typical dosage for adults is:

• 250 mg to 1000 mg every 6 hours, depending on the severity of the infection
• For most infections, the usual adult dose is 250 mg every 6 hours

Dosage may vary depending on the type and severity of infection. Always follow your healthcare provider's instructions.

Possible Side Effects

Common side effects may include:

• Diarrhea
• Nausea or vomiting
• Stomach pain

Seek medical attention if you experience severe side effects such as:

• Severe diarrhea
• Allergic reactions (rash, itching, swelling)
• Signs of kidney problems (change in urine output)

Contraindications

Do not take Keflex if you:

• Are allergic to cephalexin or other cephalosporin antibiotics
• Have had a severe allergic reaction to penicillin antibiotics