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Cephelexin is a prescription drug classified as a cephalosporin antibiotic. Its primary function is to destroy bacteria. Cephelexin is used as a primary antibiotic in the fight against many types of infections such as infections of the respiratory tract, middle ear, skin, bone, throat, urinary tract, and heart valve, just to name a few. Cephelexin is available as a brand name drug and as a generic; ask your doctor about your options.

How to Use Cephelexin

Cephelexin comes in several forms of delivery: tablet, capsule, and liquid suspension, each with its own particular set of parameters regarding usage and dosage. Your prescribing doctor or healthcare professional will instruct you. If you have further questions after first being prescribed, contact your doctor or compounding pharmacist.

Possible Side Effects

Side effects may differ from individual to individual. Some may experience no side effects while others may experience one or more. Common side effects seen with cephelexin are:

  • Diarrhea
  • Stomach Pain
  • Irritation of Stomach Lining
  • Indigestion

Other possible side effects have been known to occur. If any of the above or any other side effects are exhibiting, observe your condition and seek medical assistance if you feel it is needed or if any side effects are increasing in intensity or lingering. Allergic reactions can occur with almost any medication and patients beginning treatment with cephelexin should watch for signs of potentially severe allergic reactions such as:

  • Itching and/or Swelling (pay attention to the face, throat and tongue)
  • Severe Dizziness
  • Rash
  • Difficulty Breathing


Cephelexin, like most medical drugs, may interact with other drugs a patient is already taking or about to take. Check with your doctor and inform her or him about all your medications, and history. Cephelexin is contraindicated for patients with the following:

  • Clostridium Difficile Infection
  • Inflammation of the Large Intestine
  • Kidney Disease with Reduction in Kidney Function
  • Allergies to: Cephalosporins and/or Betalactams
  • "It is rare to find health professionals who are so willing to educate the patient on what they need to know."

    Clair C. | West Hollywood, CA