noun. a tricyclic antidepressant drug (trade name Elavil) with serious side effects; interacts with many other medications.
1. Noun, singular or mass Your vet may want to give your cat an EKG to make sure his heart is healthy before prescribing amitriptyline. 2. Adjective Used in people to treat anxiety, amitriptyline hydrochloride -- sold under the brand name Elavil -- is also prescribed to also treat dogs with anxiety problems, especially separation anxiety. 3. Particle Once your cat receives amitriptyline, you'll bring him to the vet regularly for a few months for evaluation.