Do not take cefaclor if you have ever had an allergic reaction to another cephalosporin or to a penicillin unless your doctor is aware of the allergy and monitors your therapy.
Before taking cefaclor, tell your doctor if you have
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kidney disease, or
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a gastrointestinal (digestive) disease such as colitis.
You may not be able to take cefaclor, or you may require a dosage adjustment or special monitoring during treatment if you have either of the conditions listed above.
The Ceclor suspension contains sucrose. Individuals with diabetes may need to be aware of the sucrose contained in this suspension.
Cefaclor is in the FDA pregnancy category B. This means that it is unlikely to be harmful to an unborn baby. Do not, however, take cefaclor without first talking to your doctor if you are pregnant or could become pregnant during treatment.
Cefaclor passes into breast milk and may affect a nursing infant. Do not take this medication without first talking to your doctor if you are breast-feeding a baby.
Take this medication exactly as directed by your doctor. If you do not understand these instructions, ask your pharmacist, nurse, or doctor to explain them to you.
Take each dose with a full glass of water.
The regular-release Ceclor capsules and suspension can be taken on an empty stomach or with food or milk if it causes stomach upset.
The extended-release Ceclor CD tablets should be taken with food.
Do not take antacids that contain magnesium or aluminum (e.g., Rolaids, Maalox, Mylanta, Milk of Magnesia, and others) within one hour of a dose of Ceclor CD (extended-release cefaclor). These antacids may decrease the effects of the medication.
Shake the liquid form of cefaclor well before measuring a dose. To ensure that you get a correct dose, measure the suspension with a dose-measuring spoon or cup, not a regular table spoon. If you do not have a dose-measuring device, ask your pharmacist where you can get one.
Do not cut, crush, or chew the extended-release Ceclor CD tablets. They are specially formulated to release the medication slowly in the body.
Take cefaclor at evenly spaced intervals to keep a constant level of drug in the body. It is important to take cefaclor regularly to get the most benefit.
Take all of the cefaclor that has been prescribed for you even if you begin to feel better. Your symptoms may start to improve before the infection is completely treated.
Store the tablets and capsules at room temperature away from moisture and heat.
Store the suspension in the refrigerator. Throw away any unused medication after 14 days.
Take the missed dose as soon as you remember, then try to evenly space the rest of the doses for that day until you can return to a normal schedule. Do not take a double dose of this medication unless otherwise directed by your doctor.
If you experience any of the following serious side effects, stop taking cefaclor and seek emergency medical attention or contact your doctor immediately:
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an allergic reaction (difficulty breathing; closing of the throat; swelling of the lips, face, or tongue; hives; or a rash);
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rash, redness, or itching;
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severe nausea, vomiting, or diarrhea;
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mucous or blood in the stool; or
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unusual bleeding or bruising.
Other, less serious side effects may also occur. Continue to take the medication and talk to your doctor if you experience
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mild nausea or diarrhea, or
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yeast infection of the mouth or vagina.
Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.
Take all of the cefaclor that has been prescribed for you even if you begin to feel better. Your symptoms may start to improve before the infection is completely treated.
The regular-release Ceclor capsules and suspension can be taken on an empty stomach or with food or milk if it causes stomach upset.
The extended-release Ceclor CD tablets should be taken with food.
Do not take antacids that contain magnesium or aluminum (e.g., Rolaids, Maalox, Mylanta, Milk of Magnesia, and others) within one hour of a dose of Ceclor CD (extended-release cefaclor). These antacids may decrease the effects of the medication.
Do not take antacids that contain magnesium or aluminum (e.g., Rolaids, Maalox, Mylanta, Milk of Magnesia, and others) within one hour of a dose of Ceclor CD (extended-release cefaclor). These antacids may decrease the effects of the medication.
Before taking cefaclor, tell your doctor if you are taking any of the following medicines
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probenecid (Benemid);
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a loop diuretic (water pill) such as furosemide, bumetanide (Bumex), torsemide (Demadex), or ethacrynic acid (Edecrin);
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warfarin (Coumadin); or
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another antibiotic.
You may require a dosage adjustment or special monitoring during treatment if you are taking any of the medicines listed above.
Drugs other than those listed here may also interact with cefaclor. Talk to your doctor and pharmacist before taking any prescription or over-the-counter medicines, including vitamins, minerals, and herbal products.
Seek emergency medical attention if an overdose is suspected.
Symptoms of a cefaclor overdose may include nausea, vomiting, diarrhea, abdominal cramps, seizures, and muscle spasms.
