Cephalexin is in a group of drugs called cephalosporin antibiotics and is used to fight bacteria in the body. It works by interfering with the bacteria’s cell wall formation, causing it to rupture, and killing the bacteria.

Cephalexin is used to treat infections caused by bacteria, including upper respiratory infections, ear infections, skin infections, and urinary tract infections.

Cephalexin may also be used for other purposes not listed in this medication guide.Cephalexin 500 mg-LUP

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  • Keflex, Panixine, Biocef, Zartan
  • Applies to cephalexin: oral capsule, oral powder for suspension, oral tablet, oral tablet for suspension

    In addition to its needed effects, some unwanted effects may be caused by cephalexin. In the event that any of these side effects do occur, they may require medical attention.

    You should check with your doctor immediately if any of these side effects occur when taking cephalexin:

    More common
    Abdominal or stomach pain
    blistering, peeling, or loosening of the skin
    clay-colored stools
    dark urine
    general tiredness and weakness
    joint or muscle pain
    light-colored stools
    loss of appetite
    nausea and vomiting
    red skin lesions, often with a purple center
    red, irritated eyes
    sore throat
    sores, ulcers, or white spots in the mouth or on the lips
    unpleasant breath odor
    unusual tiredness or weakness
    upper right abdominal or stomach pain
    vomiting of blood
    yellow eyes or skin
    Incidence not known
    Abdominal or stomach cramps or tenderness
    back or leg pains
    black, tarry stools
    bleeding gums
    blood in the urine or stools
    chest pain
    coughing up blood
    diarrhea, watery and severe, which may also be bloody
    difficulty with breathing or swallowing
    fast heartbeat
    general body swelling
    increased menstrual flow or vaginal bleeding
    increased thirst
    large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
    loss of appetite
    painful or difficult urination
    pale skin
    pinpoint red spots on the skin
    prolonged bleeding from cuts
    puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
    red or black, tarry stools
    red or dark brown urine
    shortness of breath
    swollen or painful glands
    tightness in the chest
    unusual bleeding or bruising
    unusual weight loss
    watery or bloody diarrhea
    Some of the side effects that can occur with cephalexin may not need medical attention. As your body adjusts to the medicine during treatment these side effects may go away. Your health care professional may also be able to tell you about ways to reduce or prevent some of these side effects. If any of the following side effects continue, are bothersome or if you have any questions about them, check with your health care professional:

    Incidence not known
    Acid or sour stomach
    burning feeling in the chest or stomach
    difficulty with moving
    dry mouth
    hives or welts
    irregular heartbeats
    itching of the vagina or genital area
    muscle pain or stiffness
    pain during sexual intercourse
    pain, swelling, or redness in the joints
    redness of the skin
    seeing, hearing, or feeling things that are not there
    stomach upset
    trouble with sleeping
    white or brownish vaginal discharge
  • Cephalexin (oral capsule, oral powder for reconstitution, oral tablet, oral tablet, dispersible) Please confirm that the medication forms on the dosage document(s) above are relevant for the specific drug you are interested in.
  • Bacterial Infection

    Treating certain bacterial infections. It may be used in combination with other medicines to treat acne or certain amoeba infections. It may be used to prevent certain types of malaria in travelers who will be visiting malaria-infected areas for less than 4 months. It may also be used to prevent or slow the progression of anthrax after exposure. Doryx delayed-release capsules are a tetracycline antibiotic. It works by slowing the growth of bacteria. Slowing the bacteria's growth allows the body's immune system to destroy the bacteria.