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Cefaclor (CEF-a-klor)
Brand names: Ceclor Pulvules Ceclor CD Raniclor
Forms of dosage: oral capsule (250mg; 500mg); oral powder for reconstitution (125 mg/5 ml; 250 mg/5 ml; 375 mg/5 ml);…show all 3 dosage forms.
Class of drugs: second-generation cephalosporins

What is Cefaclor?

Cefoxitin is a cephalosporin. Antibiotic. It fights bacteria in the body. Cefaclor can be used to treat a wide range of bacterial infections, including bladder infections, ear infections, skin inflammation, and respiratory tract infections. Cefaclor can be used in other ways not mentioned in this guide.

Side effects of Cefaclor

If you experience any of the following symptoms of an allergic reaction, seek immediate medical attention: hives; numbness, tingling, or weakness; feeling lightheaded; difficulty breathing; swelling on your face, lips, or tongue; or swelling in your throat.

Cefaclor may cause serious side effects. If you experience:

  • Severe abdominal pain, diarrhea, watery or bleeding;
  • Fever; swollen lymph glands; rash; and itching. Joint discomfort.
  • Easy bruising, bleeding, severe tingling or numbness, and muscle weakness
  • Seizure (convulsions);
  • Jaundice
  • Severe skin reaction: fever, sore mouth, swelling of the face, tongue, or eyes, burning of your eyes A red or purple rash appears, which spreads to your face and upper body, causing blistering and peeling.

Cefaclor side effects may include:

  • Diarrhoea;
  • Vaginal itching and discharge

There may be other side effects.Call your physician if experiencing side effects; otherwise call the FDA directly at 1-800-FDA-1088 to report it.

Similar/related drugs

Prednisone, Amoxicillin, Doxycycline, Ciprofloxacin, Cephalexin, Azthromycin, and Metronidazole


Cefoxitin and similar antibiotics such as cefdinir, cefprozil, cefuroxime, ceftin, cephalexin, or others should be avoided.

Before you take this drug

You should not take this medicine if you have an allergy to cefaclor or any other cephalosporin antibacterials, such as:

  • Cefadroxil (Duricef);
  • Cefazolin (Ancef);
  • Cefdinir (Omnicef);
  • Cefditoren (Spectracef);
  • Cefpodoxime (Vantin);
  • Cefprozil (Cefzil);
  • Ceftibuten (Cedax);
  • Cefuroxime
  • Cephalexin (Keflex);
  • Cephradine

Tell your doctor about any of the following to ensure cefoxitin will be safe for you:

  • An penicillin allergy;
  • Kidney disease (or dialysis if you have it);
  • A stomach or intestinal disorder, such as colitis.

Cefaclor should not harm an unborn child. Inform your doctor if you are or plan to be pregnant. Cefaclor can pass into breastmilk and harm nursing babies. You should tell your doctor if your baby is breastfed. Cefaclor liquid may contain sucrose. If you have diabetes, talk to your doctor about using this liquid form of cefaclor.

How to take Cefaclor?

Do not take this medicine in larger or smaller amounts or for longer than recommended. Take this medication only as prescribed. Never exceed or take more than is recommended, nor for longer than necessary.

Cefaclor is most effective when taken with food or within 30 minutes after eating. Use the provided dosing syringe or a dose-measuring cup or spoon to measure liquid medicines. Consult with your pharmacist if you do not possess an instrument capable of measuring doses. No longer chew or crush the extended-release tablets. Take it as a whole. Cefaclor can produce unusual results in certain lab tests that measure glucose levels (sugar) within the urine. Inform any doctor that treats you about your use of cefaclor.

Do not stop taking the medicine before it is completely cleared. You may experience symptoms before the infection has completely cleared. You may increase your chances of a second infection resistant to antibiotics if you skip doses. Cefaclor does not treat viral infections such as the flu and common cold. Store the capsules and tablets at room temperature, away from moisture or heat. Do not freeze liquid medicines. After 14 days, throw away any liquid that has not been used.

What happens if I miss the dose?

As soon as you recall, take the missed dose. If your next scheduled dosage is approaching, skip the missed dose. You should not take more medicine to compensate for a missed dose.

What happens if I overdose?

Call 1-800-222-1222 for poison help or seek immediate medical attention.

Overdose symptoms include nausea, vomiting, diarrhoea, stomach pain, and stomach cramps.

What should be avoided?

Antibiotics can cause diarrhea. This could be an indication of a new illness. Call your doctor if you experience diarrhoea that is bloody or watery. You should only take anti-diarrhoea medication if your doctor has prescribed it.

Interaction with other drug

Cefaclor may interact with other drugs, such as prescription and over-the-counter medicines, vitamins, and herbal products. Inform your healthcare providers of all the medicines you are taking and those you plan to take.




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