Product Information
What is Keflex?
Keflex is in a group of drugs called cephalosporin antibiotics. Keflex fights bacteria in the body.
Keflex is used to treat infections caused by bacteria, including upper respiratory infections, ear infections, skin infections, and urinary tract infections.
Keflex may also be used for purposes other than those listed in this medication guide.
What is the most important information I should know about Keflex ?
Do not use Keflex if you are allergic to cephalexin, or to similar antibiotics, such as Ceclor, Ceftin, Cefzil, Duricef, Fortaz, Omnicef, Spectracef, Suprax, and others. Take this medication for the entire length of time prescribed by your doctor. Your symptoms may get better before the infection is completely treated. Keflex will not treat a viral infection such as the common cold or flu.
What should I discuss with my healthcare provider before taking Keflex ?
Do not use Keflex if you are allergic to cephalexin, or to other cephalosporin antibiotics, such as:
* cefaclor (Ceclor);
* cefadroxil (Duricef);
* cefdinir (Omnicef);
* cefditoren (Spectracef);
* cefixime (Suprax);
* cefprozil (Cefzil);
* ceftazidime (Fortaz); or
* cefuroxime (Ceftin).
Before using this Keflex , tell your doctor if you are allergic to any drugs (especially penicillins), or if you have:
* kidney disease;
* liver disease;
* a stomach or intestinal disorder such as colitis;
* diabetes; or
* if you are malnourished.
If you have any of these conditions, you may not be able to use Keflex , or you may need a dosage adjustment or special tests during treatment.
The oral suspension (liquid) form of Keflex may contain sugar. This may affect you if you have diabetes.
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. Keflex can pass into breast milk and may harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.
How should I take Keflex ?
Take the medication exactly as it was prescribed for you. Do not use the medication in larger amounts, or use it for longer than recommended by your doctor. Follow the instructions on your prescription label.
Take Keflex with a full glass of water.
Measure the liquid form of Keflex with a special dose-measuring spoon or cup, not a regular table spoon. If you do not have a dose-measuring device, ask your pharmacist for one.
Take this medication for the entire length of time prescribed by your doctor. Your symptoms may get better before the infection is completely treated. Keflex will not treat a viral infection such as the common cold or flu.
This medication can cause you to have unusual results with certain medical tests. Tell any doctor who treats you that you are using Keflex .
Store the tablets and capsules at room temperature away from moisture and heat. Store the liquid medicine in the refrigerator. Throw away any unused medication after 14 days.
What happens if I miss a dose?
Take the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and take the medicine at your next regularly scheduled time. Do not take extra medicine to make up the missed dose.
What happens if I overdose?
Seek emergency medical attention if you think you have used too much of this medicine.
Symptoms of a Keflex overdose may include nausea, vomiting, stomach pain, diarrhea, and blood in your urine.
What should I avoid while taking Keflex ?
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.
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* diarrhea that is watery or bloody;
* seizure (convulsions);
* fever, sore throat, and headache with a severe blistering, peeling, and red skin rash;
* pale or yellowed skin, dark colored urine, fever, confusion or weakness;
* easy bruising or bleeding, unusual weakness;
* confusion, agitation, hallucinations (seeing things that are not there); or
* urinating less than usual or not at all.
Less serious side effects are more likely to occur, such as:
* mild nausea, vomiting, diarrhea;
* dizziness, tired feeling;
* joint pain; or
* vaginal itching or discharge.
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.
What other drugs will affect Keflex ?
Before using Keflex , tell your doctor if you are using any of the following drugs:
* a blood thinner such as warfarin (Coumadin);
* meftormin (Fortamet, Glucophage, Riomet, Actoplus, Avandamet, Metaglip); or
* probenecid (Benemid).
If you are using any of these drugs, you may not be able to use Keflex , or you may need dosage adjustments or special tests during treatment.
There may be other drugs not listed that can affect Keflex . 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 using a new medication without telling your doctor.
Where can I get more information?
* Your pharmacist has information about Keflex written for health professionals that you may read.
Product Information
What is Keflex ?
Keflex is in a group of drugs called cephalosporin antibiotics. Keflex fights bacteria in the body.
Keflex is used to treat infections caused by bacteria, including upper respiratory infections, ear infections, skin infections, and urinary tract infections.
Keflex may also be used for purposes other than those listed in this medication guide.
What is the most important information I should know about Keflex ?
Do not use Keflex if you are allergic to cephalexin, or to similar antibiotics, such as Ceclor, Ceftin, Cefzil, Duricef, Fortaz, Omnicef, Spectracef, Suprax, and others. Take this medication for the entire length of time prescribed by your doctor. Your symptoms may get better before the infection is completely treated. Keflex will not treat a viral infection such as the common cold or flu.
What should I discuss with my healthcare provider before taking Keflex ?
Do not use Keflex if you are allergic to cephalexin, or to other cephalosporin antibiotics, such as:
* cefaclor (Ceclor);
* cefadroxil (Duricef);
* cefdinir (Omnicef);
* cefditoren (Spectracef);
* cefixime (Suprax);
* cefprozil (Cefzil);
* ceftazidime (Fortaz); or
* cefuroxime (Ceftin).
Before using this Keflex , tell your doctor if you are allergic to any drugs (especially penicillins), or if you have:
* kidney disease;
* liver disease;
* a stomach or intestinal disorder such as colitis;
* diabetes; or
* if you are malnourished.
If you have any of these conditions, you may not be able to use Keflex , or you may need a dosage adjustment or special tests during treatment.
The oral suspension (liquid) form of Keflex may contain sugar. This may affect you if you have diabetes.
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. Keflex can pass into breast milk and may harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.
How should I take Keflex ?
Take the medication exactly as it was prescribed for you. Do not use the medication in larger amounts, or use it for longer than recommended by your doctor. Follow the instructions on your prescription label.
Take Keflex with a full glass of water.
Measure the liquid form of Keflex with a special dose-measuring spoon or cup, not a regular table spoon. If you do not have a dose-measuring device, ask your pharmacist for one.
Take this medication for the entire length of time prescribed by your doctor. Your symptoms may get better before the infection is completely treated. Keflex will not treat a viral infection such as the common cold or flu.
This medication can cause you to have unusual results with certain medical tests. Tell any doctor who treats you that you are using Keflex .
Store the tablets and capsules at room temperature away from moisture and heat. Store the liquid medicine in the refrigerator. Throw away any unused medication after 14 days.
What happens if I miss a dose?
Take the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and take the medicine at your next regularly scheduled time. Do not take extra medicine to make up the missed dose.
What happens if I overdose?
Seek emergency medical attention if you think you have used too much of this medicine.
Symptoms of a Keflex overdose may include nausea, vomiting, stomach pain, diarrhea, and blood in your urine.
What should I avoid while taking Keflex ?
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.
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* diarrhea that is watery or bloody;
* seizure (convulsions);
* fever, sore throat, and headache with a severe blistering, peeling, and red skin rash;
* pale or yellowed skin, dark colored urine, fever, confusion or weakness;
* easy bruising or bleeding, unusual weakness;
* confusion, agitation, hallucinations (seeing things that are not there); or
* urinating less than usual or not at all.
Less serious side effects are more likely to occur, such as:
* mild nausea, vomiting, diarrhea;
* dizziness, tired feeling;
* joint pain; or
* vaginal itching or discharge.
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.
What other drugs will affect Keflex ?
Before using Keflex , tell your doctor if you are using any of the following drugs:
* a blood thinner such as warfarin (Coumadin);
* meftormin (Fortamet, Glucophage, Riomet, Actoplus, Avandamet, Metaglip); or
* probenecid (Benemid).
If you are using any of these drugs, you may not be able to use Keflex , or you may need dosage adjustments or special tests during treatment.
There may be other drugs not listed that can affect Keflex . 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 using a new medication without telling your doctor.
Where can I get more information?
* Your pharmacist has information about Keflex written for health professionals that you may read.
