Cephalexin is a broad spectrum antibiotic used to treat bacterial
infections of the skin, urinary tract, respiratory tract, bones
and joints. It is available as 250mg and 500mg capsules and as a
liquid containing 250mg/5ml. When mixed with water the liquid should
be kept in the refrigerator and any unused portion should be discarded
after 14 days. The usual dose for dogs and cats is 5-15mg/pound
by mouth every 8 to 12 hours. (Sold per capsule)
cefazolin cefazolin: Ancef (GlaxoSmithKline) and Kefzol (Lilly);
cephalexin cefazolin cefazolin: Ancef (GlaxoSmithKline) and Kefzol
(Lilly); cephalexin: Keflex (Dista); cefadroxil cefazolin cefazolin:
Ancef (GlaxoSmithKline) and Kefzol (Lilly); cephalexin cefazolin
cefazolin: Ancef (GlaxoSmithKline) and Kefzol (Lilly); cephalexin:
Keflex (Dista); cefadroxil: Cefa-Drops and Cefa-Tabs (Fort Dodge)
cefaclor cefaclor: Ceclor (Lilly)
ceftiofur ceftiofur: Naxcel (Pharmacia and Upjohn)
What is this medication used for
Cephalosporin’s are broad spectrum bactericidal antibiotics
used to treat bacterial infections of the skin, urinary tract, respiratory
tract, bones and joints. Cefadroxil is the most commonly prescribed,
FDA approved medication used to treat dogs and cats. It is a commonly
accepted practice by veterinarians, however, to use other forms
of cephalosporin, such as cephalexin, which is not FDA approved
for use in dogs and cats.
Cephalosporin’s are prescription medications available as tablets,
capsules, oral suspension and injectable.
How this medicine should be used
The usual dose of cefadroxil in dogs is 10mg/pound twice a day.
The usual dose in cats is 10mg/pound once a day. It is not uncommon
to use this medication for serious infections while a culture to
determine the specific antibiotic to use is being done. Consult
your veterinarian for the dose of other drugs in this class for
the specific condition being treated.
What are the side effects
The side effects when using cephalosporin’s, which may include
loss of appetite, vomiting and diarrhea, are rare. Allergic reactions
such as itching, rash and difficulty breathing may occur. Side effects
in dogs may also include drooling, rapid breathing and excitability.
Fever and vomiting are additional side effects that may occur in
What special precautions are there
This medication should not be used in animals allergic to penicillin
or cephalosporin’s. Use with caution in pregnant and nursing
animals. Use with caution in animals when given with probenecid
or aminoglycosides such as neomycin and gentamicin. Use with caution
when given with other drugs that may affect the kidneys. Always
tell your veterinarian and pharmacist what other medications your
pet is taking.
In the event of an overdose
Contact your veterinarian or veterinary emergency room. Symptoms
of overdose may include vomiting and diarrhea
How should I store this medication
Keep tablets and capsules in the container they came in, tightly
closed. Store at room temperature, away from excess heat, light
and moisture. Do not store in the bathroom. Throw away any medication
that is outdated or no longer needed. 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.
Keep out of the reach of children and pets.
This information sheet is for educational purposes only and is
intended to be a supplement to, and not a substitute for, the expertise
and professional judgment of your veterinarian. The information
is NOT to be used for diagnosis or treatment of your pet. You should
always consult your own veterinarian for specific advice concerning
the treatment of your pet.
The information is not intended to cover all possible uses, directions,
precautions, warnings, allergic reactions, drug interactions or
adverse effects, nor should it be construed to indicate that use
of a particular drug is safe, appropriate or effective for your
pet. It is not a substitute for a veterinary exam, and it does not
replace the need for services provided by your veterinarian.
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