Pediatric Medication: Cephalexin

Pediatric Medication: Cephalexin


Cephalexin is an antibiotic that is used for treating and preventing bacteria causing infections. The drug is popular by its brand name – Keflex and is available in both liquid and tablet form. You should speak with your child’s doctor about potential allergies before giving the drug.

It is not recommended that you give cephalexin if there has been a prior allergy incident with penicillin or cephalosporin antibiotics. Speak to the child’s pharmacist or doctor in case of any kidney concerns as well. In case of kidney disease, the doctor will let you know of the necessary precautions.

American Integrative Pharmacy (AIP), led by Dr. Neema Yazdanpanah, provides safe and proven compounding medications to patients in Long Beach, Torrance, Los Angeles, South Bay Orange County, Redondo Beach, Palos Verdes, Southern California areas, and online nationwide.

How to Give Cephalexin to Your Child

  • You should give the medication to your child for as long as the child’s pharmacist or doctor tells you to. Don’t stop the drug even if your child gets better.
  • You can give your child cephalexin without food as well. However, it is recommended to give the medication with food if it causes an upset stomach.
  • Cephalexin is available in liquid for if the child cannot swallow tablets. Shake the bottle well each time your child needs a dose if you are giving liquid cephalexin. You should use an oral syringe or a special spoon provided by the pharmacist for measuring the dose.
  • Give the medication regularly at the same time as directed by the pharmacist or the doctor. You should consider picking times that are easy so that you don’t end up missing a dose.

Steps to Take After a Missed Dose

  • Give your child the missed dose as soon as you remember.
  • Skip the missed dose if it is almost time for the next one. Make sure to give the next dose at its regular time.
  • Never give your child double doses for making up for the missed one.

Cephalexin Duration

It can take up to several days for a child to start feeling better after medication. You may need to give it several more days for the complete benefits to show.

Possible Side Effects

Cephalexin can cause certain side effects, including:

  • Heartburn
  • Stomach pain
  • Nausea (throwing up)
  • Diarrhea (watery bowel movements)

These side effects are not very concerning or common. However, you should not waste time in speaking with your child’s doctor immediately if there are any of the following side effects:

  • Severe dizziness
  • Passing out
  • Swelling of lips, face, throat, or tongue
  • Chest tightness, difficulty breathing, bad cough, or wheezing

Safety Measures to Take

Cephalexin can cause watery bowel movements or diarrhea. Diarrhea with fever or bloody diarrhea can be a sign of serious infection. You should speak with your child’s doctor before giving them any medicine for diarrhea. You may get incorrect or false results if you use glucose tests on a diabetic child that is taking cephalexin.

AIP provides advanced compounding pharmacy solutions, including online prescription refills to patients in Long Beach, Torrance, Los Angeles, South Bay Orange County, Redondo Beach, Palos Verdes, Southern California areas, and online nationwide.

California Pharmacy’s Online Compound Prescriptions 

For more information on compound pharmacy medications available or to make an online prescription purchase, please click here or call Toll Free 1-855-247-7948.

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American Integrative Pharmacy is located in Torrance, CA serving residents in and around Orange County, Los Angeles, Long Beach, Lomita and surrounding areas. Online prescription sales are available across the US.

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