Maropitant (Cerenia) For Cats

Maropitant (cerenia) for cats

Maropitant at a glance

Drug Name: Maropitant citrate
Common names: Cerenia
Drug Type: Neurokinin-1 receptor (NK-1) antagonist
Uses: Vomiting, motion sickness
Species: Cat, dogs
Administered: Oral, injectable (subcutaneous and intravenous)
Human labelled products: None


Maropitant citrate is the only FDA approved antiemetic which is produced by Zoetis for the prevention and treatment of vomiting and motion sickness in cats and dogs.

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Famciclovir (Famvir) for Cats

Famciclovir for cats


  • Drug Name: Famciclovir
  • Common names: Famvir, Ezovir, Fambir, Famcino, Famcir, Fanclomax, Fanle, Microvir, Oravir, Pentavir, Penvir, Pixin and Virovir
  • Drug Type: Virostatic agent
  • Used For: Feline herpesvirus (FHV-1)
  • Species: Humans, cats, horses
  • Administered: Tablet

Famciclovir (fam-sye-clow-veer) is a prescription antiviral medication used in the treatment of feline herpesvirus, a common viral infection which produces upper respiratory infections (URI’s). The drug is not approved for use in cats by the Food and Drug Administration but is routinely prescribed extra-label.

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Flagyl (Metronidazole) For Cats

Flagyl for cats

At a glance

  • Drug Name: Metronidazole
  • Common names: Flagyl, Metizol, Protostat and Metrogel
  • Drug Type: Antibiotic, antiprotozoal
  • Used For: Treatment of anaerobic bacterial infections, protozoal infections, and inflammatory bowel disease
  • Species: Cats, dogs, humans, ferrets, horses, rabbits, rodents, birds and reptiles
  • Administered: Tablet, oral liquid, injection


Flagyl (Metronidazole) is a prescription-only antibiotic and antiprotozoal medication which is used to treat a wide variety of bacterial and protozoal infections in a number of animals including cats, dogs and humans.

Flagyl is a member of the drug classes amebicides and nitroimidazoles. The drug has not been approved by the Food and Drug Administration (FDA) but is commonly prescribed extra-label by veterinarians.

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Amitriptyline For Cats

Amitriptyline for cats

At a glance

  • Drug Name: Amitriptyline HCI
  • Common names: Elavil, Amitrol, Endep, Levate, Laroxyl and Saroten
  • Drug Type: Tricyclic Behaviour Modifier, Antipruritic, Neuropathic Pain Modifier
  • Used For: Behaviour disorders, pruritis (itching), idiopathic cystitis, chronic neuropathic pain
  • Species: Humans, cats, dogs, birds
  • Administered: Tablet

What is amitriptyline?

Amitriptyline (am-e-trip’-ta-lean) is a prescription-only tricyclic antidepressant (TCA) which is sold under the brand names Elavil, Amitrol, Endep, Levate, Laroxyl and Saroten, it is used in both human and veterinary medicine.

Amitriptyline was discovered in 1960 and approved by the Food and Drug Administration for use in humans in 1961. The drug has not been approved by the FDA for use in cats but is commonly prescribed extra-label.

Amitriptyline is on the WHO Model List of Essential Medicines.

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Clavamox (Amoxicillin/Clavulanic Acid) For Cats

Clavamox for cats

Clavamox at a glance

Clavamox is a broad-spectrum antibiotic used to treat certain bacterial infections in cats and other animals.

Uses: Skin and soft tissue infections including wounds, abscess, dermatitis, cellulitis, dental infections, and urinary tract infections.

Side effects: Nausea, vomiting, loss of appetite and in rare cases allergic reactions.

About Clavamox

Clavamox (Zoitis) or Clavulox (Pfizer) are the brand names of a combination drug made up of amoxicillin and clavulanic acid and is one of the most commonly prescribed broad-spectrum antibiotics in veterinary medicine. The drug derived from penicillin and clavulanic acid a beta-lactam inhibitor and is used to treat bacterial infections in animals.

Broad-spectrum antibiotics are capable of acting on the two major bacteria groups, gram-positive and gram-negative bacteria. Amoxicillin is a penicillin derived antibiotic developed by Beecham Research Laboratories, England in the 1960s and became commercially available in 1972.

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Clomicalm (Clomipramine) for Cats

Clomicalm for cats
  • Drug Name: Clomipramine
  • Common names: Anafranil, Clomicalm
  • Drug Type: Tricyclic antidepressant
  • Used For: Feline spraying, house soiling, obsessive-compulsive disorders, stress, separation anxiety
  • Species: Humans, cats, dogs, birds
  • Administered: Tablet
  • Side effects: Nausea, vomiting, sedation, loss of appetite, dilated pupils, constipation or diarrhea

What is Clomicalm?

Clomicalm (also known as Anafranil) is the brand name of clomipramine (klo-mi-pra-meen) a tricyclic antidepressant manufactured by Novartis that is used to treat several behavioural disorders in cats, dogs, birds and humans.

Although widely used in veterinary medicine, Clomicalm has not been approved by the Food and Drug Administration and is prescribed extra-label.

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Pentosan Polysulfate Sodium (PPS) For Cats

PPS for cats

At a glance

Uses: Osteoarthritis and idiopathic cystitis

Properties: Anti-inflammatory, Osteoarthritis disease-modifier

Brand names: Zydax, Cartrophen-Vet, Elmiron, Pentosan, Sylvet

Available as: Injection, capsule

Caution: Cats with coagulopathies, kidney and liver disease

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Claritin (Loratadine) For Cats

Loratadine for cats


  • Drug Name: Loratadine
  • Common names: Claratin, Alavert
  • Drug Type: Second-generation antihistamine
  • Used For: Allergies, blood and vaccination reactions, urticaria, insect bites and stings
  • Species: Humans, cats, dogs
  • Administered: Tablet

Loratadine (sold under the brand name Claritin among others) is a second-generation antihistamine used to treat allergy-related symptoms in cats. Second-generation antihistamines relieve symptoms of allergies without the drowsiness associated with first-generation antihistamines such as Benadryl.

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Cimetidine (Tagamet) For Cats

Cimetidine for cats

Cimetidine is an over the counter histamine 2 blocker or histamine H₂ receptor antagonist. It works by inhibiting the production of stomach acid by blocking histamine receptors in the stomach that are responsible for triggering acid production.

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