Amantadine for Canines | Ache Meds for Canines


Amantadine is a medicine that was initially used as an antiviral agent in people, however it’s gaining recognition for its contribution to continual ache administration in each human and veterinary medication. 

Chances are you’ll marvel why you haven’t heard of this treatment earlier than, however until your canine has suffered from long-standing, extreme ache, poorly managed by conventional ache relievers, there’s no motive you’d have. Amantadine is mostly reserved for these conditions.


Amantadine is an N-Methyl-D-aspartate (NMDA) receptor antagonist. NMDA receptors are closely concerned with the transmission of ache impulses from nerve to nerve, particularly in continual ache conditions. When a neurotransmitter attaches to NMDA receptors, ache notion is amplified. When the receptors are blocked by amantadine, the neurotransmitter can not connect and ache notion is diminished. It’s so simple as that.

Amantadine is not helpful for acute (sudden) extreme ache, comparable to ache brought on by a damaged bone or post-operative ache, as a result of the NMDA receptors aren’t a giant participant in these conditions. Amantadine truly works finest when ache is already current, which is why it’s used most incessantly in continual ache conditions when further aid is required. 

Amantadine doesn’t work nicely as a stand-alone ache reliever. An ideal candidate for amantadine is perhaps a canine affected by arthritis ache who’s already being given a nonsteroidal anti-inflammatory drug (NSAID), gabapentin, joint dietary supplements, and perhaps even an opioid ache reliever however nonetheless wants extra aid. 


Amantadine works finest when dosed twice a day. It takes a few weeks to interrupt the continual ache cycle, so make sure to give it a while earlier than deciding whether or not it’s serving to or not. Amantadine uncomfortable side effects, if they will occur, often happen early on and sometimes resolve with time. Potential uncomfortable side effects of amantadine for canine embrace agitation, restlessness, flatulence, and diarrhea. 

Amantadine is excreted by the kidneys, so warning is really helpful when given to canine with kidney illness. Please be aware that “warning” doesn’t imply you’ll be able to’t or shouldn’t use it. It simply means you and your veterinarian must be cautious and monitor kidney operate. Your veterinarian might prescribe a decrease dose out of warning. 

There are some necessary drug interactions to think about. Use of amantadine with antihistamines (comparable to Benadryl) can exacerbate the anticholinergic results of each medicine, which embrace dry mouth (expressed with extreme thirst and extreme lip smacking), problem urinating, and speedy coronary heart price. The identical goes for clomipramine (Clomicalm), an anti-anxiety treatment.

Using amantadine with tramadol, a typical ache treatment for canine, might enhance the danger of seizures. In case your canine is already on tramadol, make sure to talk about this threat along with your veterinarian earlier than including amantadine. 

Amantadine is incessantly utilized in ache administration and palliative care protocols for osteosarcoma (bone most cancers), an excruciatingly painful situation in canine. It’s not unusual for these canine to obtain most doses of an NSAID, gabapentin or pregabalin, the highly effective opioid oxycodone, and amantadine in an effort to take care of a great high quality of life for so long as doable.

Hopefully, as the advantages of Amantadine change into extra broadly identified, we are going to see it prescribed extra for different frequent, continual, painful situations, comparable to extreme arthritis in getting older canine. Higher ache administration means happier, more healthy, longer-lived canine. 

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