Do not take this medication if you are allergic to cefaclor or to other cephalosporin antibiotics, such as:
- cefadroxil (Duricef);
- cefazolin (Ancef);
- cefdinir (Omnicef);
- cefditoren (Spectracef);
- cefpodoxime (Vantin);
- cefprozil (Cefzil);
- ceftibuten (Cedax);
- cefuroxime (Ceftin);
- cephalexin (Keflex); or
- cephradine (Velosef); and others.
Before taking cefaclor, tell your doctor if you are allergic to any drugs (especially penicillins), or if you have:
- kidney disease (or if you are on dialysis); or
- a history of intestinal problems, such as colitis.
If you have any of these conditions, you may need a dose adjustment or special tests to safely take cefaclor.
FDA pregnancy category B. This medication is not expected to be harmful to an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant during treatment.
Cefaclor may pass into breast milk and could harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.
The cefaclor suspension (liquid) contains sucrose. Talk to your doctor before using this form of cefaclor if you have diabetes.
Antibiotic medicines can cause diarrhea, which may be a sign of a new infection. If you have diarrhea that is watery or has blood in it, call your doctor. Do not use any medicine to stop the diarrhea unless your doctor has told you to.
Seek emergency medical attention if you think you have used too much of this medicine.
Overdose symptoms may include nausea, vomiting, stomach pain, and diarrhea.
Take the medication as soon as you remember the missed dose. If it is almost time for your next dose, skip the missed dose and use the medicine at your next regularly scheduled time. Do not use extra medicine to make up the missed dose.
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have any of these serious side effects:
- diarrhea that is watery or bloody;
- easy bruising or bleeding, severe tingling, numbness, pain, muscle weakness;
- unusual bleeding;
- seizure (convulsions);
- pale or yellowed skin, dark colored urine, fever, confusion or weakness;
- jaundice (yellowing of the skin or eyes);
- fever, chills, body aches, flu symptoms, swollen glands, rash or itching, joint pain, or general ill feeling;
- fever, sore throat, and headache with a severe blistering, peeling, and red skin rash; or
- increased thirst, loss of appetite, swelling, weight gain, feeling short of breath, urinating less than usual or not at all.
Less serious side effects may include:
- nausea, vomiting, stomach pain, mild diarrhea;
- stiff or tight muscles;
- feeling restless or hyperactive;
- unusual or unpleasant taste in your mouth;
- mild itching or skin rash;
- dizziness, drowsiness; or
- vaginal itching or discharge.
This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect. You may report side effects to FDA at 1-800-FDA-1088.
Before taking cefaclor, tell your doctor if you are using any of the following medicines:
- probenecid (Benemid); or
- a blood thinner such as warfarin (Coumadin);
This list is not complete and there may be other drugs that can interact with cefaclor. Tell your doctor about all the prescription and over-the-counter medications you use. This includes vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start taking a new medication without telling your doctor.
Ceclor, Ceclor Pulvules, Raniclor, cefaclor, and Ceclor CD
Every effort has been made to ensure that the information provided by Cerner Multum, Inc. ('Multum') is accurate, up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. Multum information has been compiled for use by healthcare practitioners and consumers in the United States and therefore Multum does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Multum's drug information does not endorse drugs, diagnose patients or recommend therapy. Multum's drug information is an informational resource designed to assist licensed healthcare practitioners in caring for their patients and/or to serve consumers viewing this service as a supplement to, and not a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners. The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. Multum does not assume any responsibility for any aspect of healthcare administered with the aid of information Multum provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.
Copyright 1996-2004 Cerner Multum, Inc. Version 2.05. Revision date 8/23/04