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Why is Keflex prescribed?
Keflex is a cephalosporin antibiotic used to treat certain infections caused by bacteria such as pneumonia and bone, ear, skin, and urinary tract infections. Antibiotics will not work for colds, flu, or other viral infections. exin is a cephalosporin antibiotic used to treat certain infections caused by bacteria such as pneumonia and bone, ear, skin, and urinary tract infections. Antibiotics will not work for colds, flu, or other viral infections.
Keflex is sometimes prescribed for other uses; ask your doctor or pharmacist for more information.
How should Keflex be used?
Keflex comes as a capsule, tablet, and liquid to take by mouth. It is usually taken every 6 hours (four times a day) or every 12 hours (twice a day) for 7-10 days. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Take Cephalexin exactly as directed. Do not take more or less of it or take it more often than prescribed by your doctor. Shake the liquid well before each use to mix the medication evenly.
The capsules and tablets should be swallowed whole and taken with a full glass of water.
Continue to take Cephalexin even if you feel well. Do not stop taking Keflex without talking to your doctor.
What special precautions should I follow?
Before taking keflex,
- tell your doctor and pharmacist if you are allergic to Keflex or any other cephalosporin antibiotic such as cefadroxil (Duricef) or cephradine (Velosef), penicillin, or any other drugs.
- tell your doctor and pharmacist what prescription and nonprescription medications you are taking, especially other antibiotics, anticoagulants ('blood thinners') such as warfarin (Coumadin), probenecid (Benemid), and vitamins.
tell your doctor if you have or have ever had kidney or liver disease, colitis, or stomach problems.
- tell your doctor if you are pregnant, plan to become pregnant, or are breast-feeding. If you become pregnant while taking Keflex, call your doctor.
- if you are having surgery, including dental surgery, tell the doctor or dentist that you are taking Cephalexin.
What should I do if I forget a dose?
Take the missed dose as soon as you remember it. However, if it is almost time for the next dose, skip the missed dose and continue your regular dosing schedule. Do not take a double dose to make up for a missed one.
What side effects can Keflex cause?
Although side effects from Cephalexin are not common, they can occur. Tell your doctor if any of these symptoms are severe or do not go away:
- upset stomach
- diarrhea
- vomiting
- mild skin rash
If you experience any of the following symptoms, call your doctor immediately:
- severe skin rash
- itching
- hives
- difficulty breathing or swallowing
- wheezing
- unusual bleeding or bruising
- sore throat
- painful mouth or throat sores
- vaginal infection
What storage conditions are needed for Keflex?
Keep Cephalexin in the container it came in, tightly closed, and out of reach of children. Store the capsules and tablets at room temperature and away from excess heat and moisture (not in the bathroom). Throw away any medication that is outdated or no longer needed. Keep liquid medicine in the refrigerator, tightly closed, and throw away any unused medication after 14 days. Do not freeze. Talk to your pharmacist about the proper disposal of your medication.
What other information should I know?
Keep all appointments with your doctor and the laboratory. Your doctor will order certain lab tests to check your response to Cephalexin.
If you are diabetic, use Clinistix or TesTape (not Clinitest) to test your urine for sugar while taking Cephalexin.
Do not let anyone else take your medication. Your prescription is probably not refillable. If you still have symptoms of infection after you finish the Keflex, call your doctor.
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