Amantadine HCl (Generic) Capsules, slide 1 of 1

Amantadine HCl (Generic) Capsules, 100-mg, 1 capsule

Prescription Item

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Help relieve pain with Amantadine HCI. Not only has this prescription medication been used to treat pain, but it may also be prescribed as an antiviral agent. More specifically, Amantadine HCI may be used for the treatment of arthritis and neuropathic pain due to nerve injury. Customers may receive this drug under the name Symmetrel.


Amantadine hydrochloride capsules are indicated for the treatment of infection caused by various strains of influenza A virus. These capsules are also indicated in the treatment of parkinsonism and drug-induced extrapyramidal reactions.

Possible Side Effects

Possible side effects of amantadine may include flatulence, diarrhea and agitation. Taking this medication with antihistamines may also lead to difficulty urinating, dry mouth and an increased heart rate.

Drug & Food Interactions

Careful observation is required when amantadine is administered concurrently with central nervous system stimulants. Agents with anticholinergic properties may potentiate the anticholinergic-like side effects of amantadine. Coadministration of thioridazine has been reported to worsen the tremor in elderly pets with Parkinson’s disease, however, it is not known if other phenothiazines produce a similar response. 


This medication should not be used in pets with kidney disease, behavioral disorders, seizure disorders, liver disease or congestive heart disease. Pets who are pregnant, nursing or with untreated glaucoma should not take Amantadine. Thiazide diuretics may decrease the excretion of this medication. This prescription medication should not be taken with the antibiotic Trimethoprim-sulfa or the heart medication quinidine.

This drug is FDA-approved for human use. However, it is common practice for veterinarians to prescribe such drugs for use in dogs and cats.

NOTE: For Generic Medications, picture displayed may not depict actual product. Generic medications may vary from one order to the next by size, color and shape depending on manufacturer. Customers may receive the same drug under the names Symmetrel.

  1. Prescribing Information

See all items by Amantadine

  • Item Number
  • Common Brand Name(s)
  • For Use With
    Dogs & Cats
  • Generic Name
    Amantadine Hydrochloride
  • Administration Form
  • Product Form
  • Health Condition
    Joint Pain/Arthritis, Pain, Cancer
  • Drug Type
    Pain Reliever


Recommended Dosage

The dose for dogs and cats is approximately 3 to 5 mg/kg PO once daily.

Storage Instructions

Store at temperatures from 68° - 77°F.


What are Amantadine HCL Capsules?

Amantadine capsule is used to relieve pain in dogs and cats and it can also be prescribed as an antiviral agent.

What are the benefits of Triamcinolone Acetonide Tablets?

  • Can be used for the treatment of arthritis in dogs and cats.
  • May be used to treat neuropathic pain caused by a nerve injury.
  • Can be used in the treatment of cancer pain, especially bone cancer.

How is this medication given?

Amantadine HCL Capsules are administered orally. Always use as directed by your veterinarian.

How does this medication work?

The nervous system has a NMDA receptor that makes animals more susceptible to pain. Amantadine blocks the NMDA receptor alleviating chronic pain for dogs and cats.

What results can I expect?

Reduced pain for your pet, resulting in a better quality of life.

Rating: 5.0 of 5 stars 2 Reviews 2 Reviews 5 out of 5 Stars

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  • 5 out of 5 stars

    Works great for elderly 95# dog

    By on

    My 14 year old dog was having a lot of pain due to osteoarthritis. He has been steadily taking Carprofen. We have in addition tried Tramadol and Gabapentin. The Amantadine made a really big difference.

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  • 5 out of 5 stars

    Arthritic 94# Labrador

    By on

    This medication works well in conjunction with his anti-inflammatory med. Have not noticed any of the possible side effects listed. At 13 years old he's doing pretty well.

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