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MirTAZApine Tablets

This product requires a veterinary prescription.
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Mirtazapine Tablets
Product Information
Mirtazapine may be used to treat chemotherapy-induced nausea/vomiting, anorexia associated with renal failure, congestive heart failure, GI disorders, liver disease, neoplasia, stress induced diseases, insomnia, post-pyometra symptoms, and post-op lack of appetite in dogs and cats. 
Dogs and Cats
Generic Name
Brand Names
Drug Class
Tetracyclic Antidepressant, 5-HT3 Antagonist
Product Description & Form
*Tablet size, color, shape, markings, or coating may be different from description. Mirtazapine is a generic medication, and therefore we may have different manufacturers at any given time. Tablets may vary in appearance. 
Current Manufacturer: Aurobino Pharma
Mirtazapine 15 mg Tablets 30 ct: 9 mm, yellow, capsule shaped (biconvex), film coated tablet, scored in half, imprinted with 08;A.  (NDC 65862-0031-30)
  • Used for treatment of anxiety, to relieve nausea, and to stimulate appetite
Active Ingredients
Inactive Ingredients
Corn starch, low-substituted hydroxypropyl cellulose unspecified, magnesium stearate, silicon dioxide, lactose monohydrate, hypromellose 2910, titanium dioxide, hydroxypropyl cellulose, ferric oxide yellow. 
Mirtazapine should be given orally as directed by your veterinarian.
Missed Doses
Give the dose as soon as possible. If it is almost time for the next dose, skip the missed dose, and continue with the regular schedule. Do not give 2 doses at once.
Side Effects
Possible side effects may include drowsiness, dry mouth, urine retention, constipation and a faster heart rate. Your pet may experience some excitement, disorientation, and hyperactivity. If these symptoms persist, contact your veterinarian. Notify your veterinarian if symptoms are troublesome and continue.
Other side effects may occur. If you notice anything unusual, contact your veterinarian.
Drug & Food Interactions
Mirtazapine should not be used in combinations with other antidepressants. The following drugs can potentially interact with mirtazapine: clonidine, diazepam, fluvoxamine, linezolid, selegiline, amitraz, and tramadol. Contact your veterinarian if your pet experiences any unusual reactions when different medications are given together.
Make sure to tell your veterinarian what other medication or supplements you are giving to your pet. Quite often your veterinarian may prescribe two different medications, even if a drug interaction may occur. In this case, your veterinarian may vary the dose and/or monitor your pet more closely. 
This medication does not have an FDA approved indication for use in animals, but it is a common and acceptable practice for veterinarians to prescribe this human medication for use in animals.
Inform your veterinarian if your pet has liver or kidney disease, epilepsy or other seizure disorder, or heart disease prior to beginning treatment. The safety of this medication has not been evaluated in pregnant, breeding, or nursing animals.
Allergic reactions to medications may occur. Be sure to inform Vetsource and your veterinarian if your pet has any known drug sensitivities or allergies. If your pet displays symptoms of an allergic reaction, call your veterinarian immediately or go to a veterinary emergency clinic. Symptoms may include but are not limited to: swollen lips, tongue, face, airways; difficulty breathing; agitation; profuse salivation; vomiting; widespread hives and itching.
Adverse Reactions
If you are concerned that your pet has experienced an adverse reaction to this medication, please contact Vetsource customer service at 877-738-4443.
Store at 77°F in controlled room temperature, excursions permitted between 59°F to 86°F. Keep this medicine out of reach of children. Store in a childproof container. Store this medicine in a cool, dry place at room temperature. Store away from heat and direct sunlight. Do not store this medicine in the bathroom, near the kitchen sink or in damp places. The medicine may break down if exposed to heat or moisture.
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Nutritional Info