Generic Keflex
Cephalexin 250/500/750mg

What are cephalexin tablets or capsules?

CEPHALEXIN (Keflex®, Keftab®) is a cephalosporin antibiotic. It treats many kinds of infections including those of the skin, respiratory tract, bone, sinuses, ears, and urinary tract. Generic cephalexin tablets and capsules are available.

What should I tell my health care provider before I take this medicine?

They need to know if you have any of these conditions:
• bleeding problems
• diarrhea
• kidney disease
• stomach or intestinal problems (especially colitis)
• other chronic illness
• an unusual or allergic reaction to cephalexin, other cephalosporin antibiotics, penicillin, penicillamine, other foods, dyes or preservatives
• pregnant or trying to get pregnant
• breast-feeding

How should I take this medicine?

Take cephalexin tablets or capsules by mouth. Follow the directions on the prescription label. Swallow the tablets or capsules with a drink of water. You can take cephalexin with or without food. If cephalexin upsets your stomach it may help to take it with food. Take your doses at regular intervals. Do not take your medicine more often than directed. Finish the full course prescribed by your prescriber or health care professional even if you think your condition is better. Do not stop taking except on your prescriber's advice.

Contact your pediatrician or health care professional regarding the use of this medicine in children. Special care may be needed.

What if I miss a dose?

If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses. There should be an interval of at least 4 to 6 hours between doses.

What drug(s) may interact with cephalexin?

• other antibiotics
• diuretics ("water pills")
• probenecid

Tell your prescriber or health care professional about all other medicines you are taking, including non-prescription medicines, nutritional supplements, or herbal products. Also tell your prescriber or health care professional if you are a frequent user of drinks with caffeine or alcohol, if you smoke, or if you use illegal drugs. These may affect the way your medicine works. Check with your health care professional before stopping or starting any of your medicines.

What side effects may I notice from taking cephalexin?

Side effects that you should report to your prescriber or health care professional as soon as possible:
• difficulty breathing, wheezing
• fever or chills, sore throat
• pain or difficulty passing urine
• redness, blistering, peeling or loosening of the skin, including inside the mouth
• seizures (convulsions)
• severe or watery diarrhea
• skin rash, itching
• stomach pain or cramps
• swollen or tender joints
• unusual bleeding or bruising
• unusual weakness or tiredness

Side effects that usually do not require medical attention (report to your prescriber or health care professional if they continue or are bothersome):
• diarrhea
• gas or heartburn
• genital or anal irritation
• nausea, vomiting

What should I watch for while taking cephalexin?

Tell your prescriber or health care professional if your symptoms do not begin to improve in a few days.

If you are diabetic you may get a false-positive result for sugar in your urine. Check with your prescriber or health care professional before you change your diet or the dose of your diabetic medicine.

If you get severe or watery diarrhea, do not treat yourself. Call your prescriber or health care professional for advice.

Where can I keep my medicine?

Keep out of the reach of children in a container that small children cannot open.

Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Throw away any unused medicine after the expiration date.
  

 

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What is/are Keflex?

CEPHALEXIN is a cephalosporin antibiotic. It kills or stops the growth of some bacteria. This medicine is used to treat many kinds of infections. It will not work for colds, flu, or other viral infections. This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.

What should I tell my health care providers before I take this medicine?

They need to know if you have any of these conditions:

• kidney disease
• stomach or intestine problems, especially colitis
• an unusual or allergic reaction to cephalexin, other cephalosporins, penicillins, other antibiotics, medicines, foods, dyes or preservatives
• pregnant or trying to get pregnant
• breast-feeding

How should I use this medicine?

Take this medicine by mouth with a full glass of water. Follow the directions on the prescription label. This medicine can be taken with or without food. Take your medicine at regular intervals. Do not take your medicine more often than directed. Take all of your medicine as directed even if you think you are better. Do not skip doses or stop your medicine early.

Talk to your pediatrician regarding the use of this medicine in children. While this drug may be prescribed for selected conditions, precautions do apply.

Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.

Note: This medicine is only for you. Do not share this medicine with others.

What if I miss a dose?

If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses. There should be at least 4 to 6 hours between doses.

What may interact with this medicine?

• probenecid
• some other antibiotics

This list may not describe all possible interactions. Give your health care providers a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.

What side effects may I notice from this medicine?

Side effects that you should report to your doctor or health care professional as soon as possible:

• allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
• breathing problems
• pain or trouble passing urine
• redness, blistering, peeling or loosening of the skin, including inside the mouth
• severe or watery diarrhea
• unusually weak or tired
• yellowing of the eyes, skin

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

• gas or heartburn
• genital or anal irritation
• headache
• joint or muscle pain
• nausea, vomiting

This list may not describe all possible side effects.

What should I watch for while using this medicine?

Tell your doctor or health care professional if your symptoms do not begin to improve in a few days.

Do not treat diarrhea with over the counter products. Contact your doctor if you have diarrhea that lasts more than 2 days or if it is severe and watery.

If you have diabetes, you may get a false-positive result for sugar in your urine. Check with your doctor or health care professional.

Where should I keep this medicine?

Keep out of the reach of children.

Store at room temperature between 59 and 86 degrees F (15 and 30 degrees C). Throw away any unused medicine after the expiration date.

What is the shelf life of the pills?

• The expiry date is mentioned on each blister. It is different for different batches. The shelf life is 2 years from the date of manufacture and would differ from batch to batch depending on when they were manufactured.