Cephalexin Oral Suspension
Cephalexin Oral Suspension
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At a Glance
Used to treat bacterial infections of the skin, urinary tract, respiratory tract, bones and joints
Easy to use oral suspension
Side effects are rare

Cephalexin Oral Suspension

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At a Glance
Used to treat bacterial infections of the skin, urinary tract, respiratory tract, bones and joints
Easy to use oral suspension
Side effects are rare

Cephalexin is a cephalosporin antibiotic. It treats many kinds of infections including those of the skin, respiratory tract, bone, sinuses, ears, and urinary tract.

Cephalexin is the Generic Alternative to Keflex.

What Is Cephalexin Oral Suspension Used For?
Answer

The Cephalexin Oral Suspension is used for treating bacterial infections. These infections can be anywhere on your petโ€™s body, including its skin, respiratory tract, urinary tract, joints, and bones. Cephalexin for pets is a generic alternative to Keflex. Like Keflex, Cephalexin uses an active ingredient called Cephalosporins to tackle all these bacterial infections. Cephalexin doses fall under the broad range antibiotic category. A Cephalexin dose can be as low as 10 mg of your cat or dogโ€™s body weight. You can administer a Cephalexin pill once every 24 hours, or as per the instruction of the vet.

Does Cephalexin Oral Suspension Need to Be Refrigerated?
Answer

Yes, the Cephalexin Oral Suspension needs to be refrigerated. For usage, the medication can be mixed with water. After that, it needs to be kept in the fridge. Any unused portion of the medication needs to be discarded after 14 days. Remember to shake the bottle properly before you open it for use.

Why Is Cephalexin Formulated as a Suspension?
Answer

Cephalexin is formulated as a suspension to improve chemical stability, and improve bioavailability. Such suspensions are formulated for various other animals as well as human medications for these very reasons. Cephalexin oral suspensions are also needed for patients who are extremely sensitive to penicillin but still need to consume it to fight various bacterial infections.

Is Cephalexin Safe for Animals?
Answer

Cephalexin side effects are somewhat similar to the side effects of Keflex medication. After all, Keflex uses the same formula and active ingredient as Cephalexin. These side effects include a loss of appetite, formation of rash and itching, breathing problems with or without rapid breathing, fever, drooling, and overexcitement. While using Cephalexin, warnings should also be noted for vomiting and diarrhea, which are mostly seen due to an overdose of the Cephalexin medication.

Is Human Cephalexin Safe for Cats?
Answer

Cats are usually given Cephalexin 250 mg/5 ml for treatment of bacterial infections. You can use Cephalexin for UTI treatment too. Human Cephalexin works in a similar manner. They belong to a class of antibiotics referred to as cephalosporin. Human Cephalexin is also used for treating bacterial infections in bone, skin, respiratory tract, urinary tract, etc. That being said, you can use the human version of Cephalexin for cats. It is safe to do so. However, it is better to opt for the one specifically made for cats. Otherwise, you will have to bring variation to the Cephalexin or Keflex dosage meant for humans. Instead of doing so, it is better and more efficient to simply use a cat or pet-friendly version of the drug. That way, you do not have to tinker with the dosage.

Is Cephalexin a Strong Antibiotic?
Answer

Yes, Cephalexin is a strong and effective antibiotic. It is called a broad-spectrum antibiotic which belongs to the cephalosporins class of antibiotics. Cephalexin is known for treating bacterial infections on the skin, respiratory and urinary tracts, bone, etc. The drug starts taking effect just one hour after administering it. Cephalexin dosage is usually in the 10-30 mg/kg range. You have to administer it orally every 6 to 12 hours.

How Long Should a Dog Take Cephalexin?
Answer

A dog should take Cephalexin for seven to ten days. Within this time, the bacterial infections should be fully treated. The time might vary in some special cases. For that, it is always a good option to talk to a vet beforehand. Ideally, the drug will start taking effect within the first 24 hours. Overdosing is not usually a problem, but you should still be on the lookout for its symptoms. Cephalexin warnings associated with an overdose include diarrhea and vomiting.

Cephalexin, a broad-spectrum bactericidal antibiotic, is related to the penicillin class of antibiotics. Read on for Cephalexin dosage for dogs and cats. Akin to penicillin, Cephalexin is considered a broad range antibiotic. The medication is indicated for the treatment of skin, bone, respiratory, and bladder infections in cats and dogs. The drug is efficient against staphylococcal infections and is widely used against deep skin infections (pyodermas). The active ingredient in the medication is Cephalosporins.

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The recommended Cephalexin dosage for dogs is 10mg/lbs every 12 hours and for cats 10mg/lbs every 24 hours orally. The drug can be used for the treatment of serious infections even when a culture to find out the exact antibiotic is in progress.


The side effects when using Cephalexin Oral Suspension include loss of appetite, itching, rash, difficulty in breathing, vomiting, diarrhea, rapid breathing, drooling, fever, and excitability. Vomiting and diarrhea can be the signs of overdose. The commonly observed side effects in dogs include rapid breathing, drooling, and excitability. Cats are observed with side effects like fever and vomiting.

Side effects that you should report to your prescriber or health care professional as soon as possible: difficulty breathing, wheezing, fever or hills, 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.

The medication is not recommended for animals allergic to cephalosporins or penicillin. Extreme caution is required when used with probenecid or aminoglycosides including neomycin and gentamicin, or with kidney related medicines. It is advised to inform the pharmacist or veterinarian regarding the medicines the pet is taking. Precaution is required when used in pregnant and nursing pets. The oral suspension should be placed in the refrigerator after mixing with water, also make sure to discard unused portion of medication after 14 days. The dosage should be chosen with great care with your veterinarian, failing to choose the right dosage could result in adverse side effects. It is recommended to continue the treatment even if the pet appears fully recovered. This could prevent the animal from developing a resistance to antibiotics.

Keep out of the reach of children and pets.

Use as directed by your veterinarian.

The usual dose of cephalexin in dogs and cats is 10-30 mg/kg, every 6 to 12 hours orally.

After mixing with water, the oral suspension should be kept in the refrigerator and any unused portion should be discarded after 14 days. Shake well before use.

Option UPC/SKU
250mg/5mL - 100mL 363304959017
250mg/5mL - 200mL 363304959024
125mg/5mL - 100mL 363304958010

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