Cephalexin: Uses, Dosage, Side effects

Powered by WP Review(Last Updated On: June 15, 2016)

Cephalexin belongs to cephalosporin antibiotics, it is mainly used to treat the infections caused by bacteria, ear infection, skin infection, urinary tract infection, and respiratory infection.

Information about cephalexin:

It is not used in the patient who are allergic to antibiotics, or if you have kidney or liver damage. It can be used as the exactly how the doctor has prescribed, directions written on the prescription label should be followed by the patient. It is not to be used in small or large doses and also no longer than prescribed.

Do not use the cephalosporin if the patient is allergic to it. Cephalosporin antibiotics such as:

  • Cefaclor
  • Cefadroxil
  • Cefazolin
  • Cefdinir
  • Cefditoren
  • Cefprozil
  • Cefuroxime
  • Cephradine

Cephalexin dosage:

Adult dose

For endocarditis prophylaxis:

It is about 2g is to be taken orally


It is about 250mg to be taken orally for every 6hrs and 500mg to be taken orally for every 12hrs for 7-14days.


It is about 250mg to be taken orally for every 6hrs or 500mg to be taken orally for every 12hrs.


It is about 500mg orally for every 6hrs, it is should be approximately 4-6hrs weeks.

Upper respiratory tract infection:

It is about 250-500mg to be taken orally for every 6hrs for 7-10days.

Bacterial infection:

It is about 250-500mg orally for every 6hrs, this therapy should be continued to 7-21days

Cephalexin Side effects:

Severity: major

More common

  • Diarrhea


  • Dark urine
  • Clay-colored stools
  • Dizziness
  • Fever
  • Stomach pain
  • Headache
  • Loss of appetite
  • Nausea , vomiting
  • Sore throat
  • Vomiting of blood
  • Chest pain
  • Body swellings

Severity: minor


  • Anxiety
  • Dry mouth
  • Heartburn
  • Hyperventilation
  • Indigestion
  • Irritability
  • Nervousness
  • Restlessness
  • Redness of the skin
  • Insomnia
  • White or brownish vaginal discharge

General symptoms include:

Hypersensitivity: it includes fever, urticaria, rash, anaphylaxis, dermatitis, and hepatitis.

Gastrointestinal: it includes diarrhea, vomiting, abdominal pain,

Hepatic: it includes hepatitis and cholestatic jaundice.

Cephalexin: brand names, price list


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