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More Information
Generic Name Amitriptyline (am-e-trip'-ta-lean)
Brand Name(s) Elavil (Merck)
What is this medication used for Amitriptyline is a tricyclic antidepressant used for the treatment of behavioral problems. In dogs it is used for conditions such as separation anxiety, anxiety
and fear of noise. In cats it used for conditions such as urinating out of the litter box, spraying, excessive grooming and anxiety.
Availability Amitriptyline is available by prescription as tablets.
How this medicine should be used Amitriptyline is not FDA approved for veterinary use: however, it is a commonly accepted practice for veterinarians to use this medication in dogs and cats. The
usual dose in dogs is 0.5-2mg/pound every 8-12 hours. The usual dose in cats is 5-10mg per cat once a day, at night.
What are the side effects Side
effects of amitriptyline may include drowsiness, dry mouth, loss of appetite, vomiting and diarrhea. There may be an increase in excitability.
What special precautions are there Do not use this medication in animals allergic to it or other tricyclic antidepressants. Use with caution in animals with liver disease, urinary retention,
hyperthyroidism, seizure disorders or glaucoma. Do not use in pregnant or nursing animals. Do not use with monoamine oxidase inhibitors (MAOIs) such as selegiline or Preventic tick collar. If the animal is being
given an MAOI, wait 2 weeks after discontinuing before starting treatment with amitriptyline. Do not use with other central nervous system (CNS) depressants such as barbiturates or tranquilizers. Do not use with
phenylpropanolamine (PPA), methimazole or cimetidine. Always tell your veterinarian or pharmacist what other medications your pet is taking. Give this medication with food.
Overdose - what to look for Signs of an overdose may include irregular or rapid heart beat, excessive sedation, low blood pressure, convulsions, coma, or death.
Overdose - what to do Contact
Laguna Hills Animal Hospital (949-837-7333) or, if after hours, Animal Urgent Care (949-364-6228).
How should I store this medication Keep this medication in the container it came in, tightly closed. Store tablets 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 Throw away any medication that is outdated or no longer needed. Keep this medication out of the reach of children and pets.
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