cephalexin
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Manufactured by various FDA-approved generic manufacturers.
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cephalexin Uses, Side Effects, Interactions, Warnings & Dosing
What dosages is cephalexin available in?
cephalexin is available as a 250 mg and 500 mg oral tablet, a 250 mg, 500 mg, and 750 mg oral capsule, and a 125 mg/5 ml and 250 mg/5 ml oral suspension.
What is cephalexin used for?
cephalexin is a cephalosporin antibiotic and is used to treat respiratory tract infections, ear infections, skin infections, bone infections, urinary tract infections (UTIs), and reproductive system infections.
How does cephalexin work?
cephalexin is a cephalosporin antibiotic. It kills bacteria by preventing the bacteria from making a covering around themselves for protection.
How do I take cephalexin?
cephalexin is typically dosed as 250 mg by mouth every 6 hours. An alternative dose is 500 mg by mouth every 12 hours. You’ll typically need to take cephalexin for 7 to 14 days. For more severe infections, you might need a higher dose (up to 4 grams total per day). For children, the dose will be based on their body weight.
Is it safe for me to take cephalexin?
cephalexin is a safe and effective treatment when used for FDA licensed indications. However, like all medications, they may give you unwanted side effects. You should always discuss potential side effects with your physician to ensure the medication is suitable and right for you. You should not use this medication if you have known hypersensitivity to cephalexin or other members of the cephalosporin class of antibacterial drugs.
cephalexin Common Side Effects
Common side effects of cephalexin include:
- Diarrhea
- Nausea
- Vomiting
- Indigestion
- Stomach pain
cephalexin Serious Side Effects
Serious side effects are rare with cephalexin. Contact your healthcare provider immediately if you experience any of the following.
- Allergic reactions: hives; rash; blisters; swelling of the lips, tongue, or face; difficulty breathing
- Infectious (C. difficile-related) diarrhea: foul-smelling diarrhea, fever, nausea, frequent bowel movements (up to 15 times per day)
Effects of other drugs, drug classes and over-the-counter products on cephalexin
The following medications may interact with cephalexin:
- Metformin: increased metformin concentrations. Monitor for hypoglycemia
- Probenecid: The renal excretion of cephalexin is inhibited by probenecid. Co-administration of probenecid with cephalexin is not recommended
- Administration of cephalexin may result in a false-positive reaction for glucose in the urine
Who makes cephalexin?
Various FDA-approved generic manufacturers
Is cephalexin safe in pregnancy?
It is not known if cephalexin will harm your unborn baby. You should talk to your healthcare provider before taking this medication if you are pregnant.
What to do if you missed your cephalexin dose
The FDA's medical product safety reporting program for health professionals, patients and consumers.
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Medical Disclaimer
NowPatient has taken all reasonable steps to ensure that all material is factually accurate, complete, and current. However, the knowledge and experience of a qualified healthcare professional should always be sought after instead of using the information on this page. Before taking any drug, you should always speak to your doctor or another qualified healthcare provider.
The information provided here about medications is subject to change and is not meant to include all uses, precautions, warnings, directions, drug interactions, allergic reactions, or negative effects. The absence of warnings or other information for a particular medication does not imply that the medication or medication combination is appropriate for all patients or for all possible purposes.
Things to know
What is the antibiotic cephalexin used for?
Is 3 days of cephalexin enough?
Is cephalexin a first line antibiotic?
Can you use cephalexin for tooth infection?
Does cephalexin treat strep?
What should I avoid while taking cephalexin?
Why can't you lie down after taking cephalexin?
What is the most common side effect of cephalexin?
What are the rules for taking cephalexin?
Is it bad to take cephalexin on an empty stomach?
Do I need to take a probiotic with cephalexin?
What foods should you avoid when taking antibiotics?
What are the side effects of the antibiotic cefalexin?
Can you take Tylenol and cephalexin together?
Can I take ibuprofen and cephalexin together?
How to avoid diarrhea with cephalexin?
Is cephalexin hard on the kidneys?
Is cephalexin just like amoxicillin?
Is cephalexin a strong antibiotic?
Does cephalexin treat UTI?
What are the side effects of cephalexin?
Is cephalexin stronger than penicillin?
What is the strongest antibiotic for bacterial infection?
Is cephalexin 500mg used for tooth infection?
Does cephalexin make you sleepy?
Can I have cephalexin if allergic to penicillin?
What is a good alternative to cephalexin 250 mg?
What skin infections does cephalexin treat?
What antibiotic is stronger than amoxicillin?
How many hours apart should I take cephalexin 500mg?
How quickly does cephalexin work?
Why not to lie down after taking cephalexin?
Is 3 days of cephalexin enough for UTI?
Can you take 2 cephalexin 500mg at once?
Is 500 mg 4 times a day of cephalexin a lot?
Can you lay down right after taking cephalexin?
How many days should you take cephalexin 500mg for UTI?
Does cephalexin go bad if not refrigerated?
How long does a 7 day antibiotic stay in your system cephalexin?
Does cephalexin work better on an empty stomach?
How long does it take for antibiotics to work for bacterial infection?
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