Generic Keflex® : Cephalexin
Cephalexin is the chemical name of the active ingredient in Keflex®
Chemical Name: CEPHALEXIN (sef-a-LEX-in)
Possible Uses of Keflex: This medicine is a cephalosporin antibiotic used to treat bacterial infections. This medicine will not treat infections caused by viruses.
Before using Keflex: Some medicines or medical conditions may interact with this medicine. INFORM YOUR DOCTOR OR PHARMACIST of all prescription and over-the-counter medicine that you are taking. ADDITIONAL MONITORING OF YOUR DOSE OR CONDITION may be needed if you are taking metformin, probenecid, or blood thinners (such as warfarin). DO NOT START OR STOP any medicine without doctor or pharmacist approval. Inform your doctor of any other medical conditions, including kidney or liver problems, stomach or bowel problems (such as inflammation), poor nutrition, bleeding problems, allergies, pregnancy, or breast-feeding. Contact your doctor or pharmacist if you have any questions or concerns about taking this medicine.
How to take Keflex: Follow the directions for using this medicine provided by your doctor. This medicine may be taken on an empty stomach or with food. STORE THIS MEDICINE at room temperature, away from heat and light. TO CLEAR UP YOUR INFECTION COMPLETELY, continue taking this medicine for the full course of treatment even if you feel better in a few days. Do not miss any doses. IF YOU MISS A DOSE OF THIS MEDICINE, take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once.
Precautions When Using Keflex: DO NOT TAKE THIS MEDICINE if you have had an allergic reaction to it or are allergic to any ingredient in this product. IF YOU HAVE HAD A SEVERE ALLERGIC REACTION to a cephalosporin antibiotic (such as Ceclor, Keflex, Ceftin, Duricef) or a penicillin antibiotic (such as amoxicillin or ampicillin), contact your doctor or pharmacist BEFORE TAKING THIS MEDICINE. A severe reaction includes a severe rash, hives, breathing difficulties, or dizziness. If you have a question about whether you are allergic to this medicine or if a certain medicine is a cephalosporin or penicillin, contact your doctor or pharmacist. IF YOU EXPERIENCE difficulty breathing or tightness of chest; swelling of eyelids, face, or lips; or develop a rash or hives, tell your doctor immediately. Do not take any more of this medicine unless your doctor tells you to do so. If your symptoms do not improve within a few days or if they become worse, check with your doctor. THIS MEDICINE MAY AFFECT CERTAIN LAB TEST RESULTS. Make sure laboratory personnel and your doctors know you use this medicine. This medicine may cause dizziness. DO NOT DRIVE, OPERATE MACHINERY, OR DO ANYTHING ELSE THAT COULD BE DANGEROUS until you know how you react to this medicine. Using this medicine alone, with other medicines, or with alcohol may lessen your ability to drive or to perform other potentially dangerous tasks. IF MODERATE TO SEVERE DIARRHEA OCCURS during or after treatment with this medicine, check with your doctor or pharmacist. Do not treat it with non-prescription (over-the-counter) medicines. BEFORE YOU BEGIN TAKING ANY NEW MEDICINE, either prescription or over-the-counter, check with your doctor or pharmacist. Caution should be used in the elderly since they may be more sensitive to the effects of this drug. FOR WOMEN: IF YOU PLAN ON BECOMING PREGNANT, discuss with your doctor the benefits and risks of using this medicine during pregnancy. THIS MEDICINE IS EXCRETED in breast milk. IF YOU ARE OR WILL BE BREAST-FEEDING while you are using this medicine, check with your doctor or pharmacist to discuss the risks to your baby. IF YOU HAVE DIABETES, this medicine may cause false test results with some urine glucose tests. Check with your doctor before you adjust the dose of your diabetes medicine or change your diet.
Side Effects of Keflex: SIDE EFFECTS that may occur while taking this medicine include dizziness, tiredness, headache, mild diarrhea, or stomach upset. If they continue or are bothersome, check with your doctor. CHECK WITH YOUR DOCTOR AS SOON AS POSSIBLE if you experience vaginal irritation or discharge, mood or mental changes, or joint pain. CONTACT YOUR DOCTOR IMMEDIATELY if you experience seizures; yellowing of the eyes or skin; red, blistered, swollen or peeling skin; unusual bruising or bleeding; decreased urination; severe stomach pain or cramps; confusion; or bloody or severe diarrhea. AN ALLERGIC REACTION to this medicine is unlikely, but seek immediate medical attention if it occurs. Symptoms of an allergic reaction include rash, itching, swelling, severe dizziness, or trouble breathing. If you notice other effects not listed above, contact your doctor, nurse, or pharmacist.
Drug Interactions of Keflex: Drug interactions can result in unwanted side effects or prevent a medicine from doing its job. Use our drug interaction checker to find out if your medicines interact with each other. Check drug interactions
Overdose of Keflex: If overdose is suspected, contact your local poison control center or emergency room immediately. Symptoms of overdose may include muscle spasms; seizures; severe nausea, vomiting, or diarrhea; or blood in the urine.
Other Information of Keflex: If your symptoms do not improve within a few days or if they become worse, check with your doctor. DO NOT SHARE THIS MEDICINE with others for whom it was not prescribed. DO NOT USE THIS MEDICINE for other health conditions. KEEP THIS MEDICINE out of the reach of children.