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Arthrin Canine Aspirin 300 mg For Larger Dogs (100 Chewable Tablets)

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Arthrin Canine Aspirin provides safe and effective relief for pain, fever, inflammation specifically associated with injuries, surgery, arthritis and joint problems. Arthrin is the active ingredient in Arthrin. It is also to help prevent gastrointestinal upset. Use Arthrin along with Joint MAX and watch your dog improve faster, this powerful combination will have your dog playing and walking without pain and prevent further joint degeneration.

  • For pain associated with injuries, surgery and/or arthritis
  • Reduces Fever
  • Helps relieve inflammation
  • Tasty liver flavored tablets
  • 100% product guaranteed


Active Ingredients per (Tablet)
Aspirin 300 mg

Inactive Ingredients: Microcrystalline Cellulose, Starch, Artificial Liver Flavor, Stearic Acid, Silicon Dioxide, FD&C Yellow #6, FD&C Blue #2.

Useful Information

Consult your veterinarian prior to administering this or any other drug to your dog. Individual results may vary.

This product should not be given to puppies less than six(6) months old. Do not use if product appears to be tampered with or seal is broken. Store product in cool, dry place. Avoid temperature above 86 F.

Dog Weight: Number of Chewables:
30-59 lbs. 1 chewable every 12 hrs.
60-120 lbs. 2 chewable every 12 hrs

CAUTION: Not For use in cats. Not for human use. Keep out of reach of children, pets and other animals. Safe use in pregnant animals or intended for breeding has not been proven.

Do not use in dogs that are sensitive to aspirin or dogs with concurrent gastrointestinal disease or ulcers, bleeding problems, and in those with liver or kidney impairment. If lameness persists of more that three days, discontinue use and contact a veterinarian. If vomiting, diarrhea, depression or loss of appetite, or darkening of the stool occurs, stop administration and consult your veterinarian.

Do not give aspirin to dogs currently on anticoagulants or on medication to treat arthritis unless directed to do by a veterinarian.

Customer Reviews

Review Summary
12 Reviews
67% (8)
17% (2)
8% (1)
8% (1)
0% (0)
92% Recommend this product (11 of 12 responses)
By Annie
Marion, Michigan
Excellent Pain Relief
May 8, 2017
This product works wonderful on my 13 year old lab mix. The only problem is that I ordered 2 bottles and did not receive them because of back order. I am still waiting to receive them.
By Pattz
Wichita, KS
Remarkable Improvement in Mobility!!
February 21, 2016
I have a 7 year old Chow/Tibetan Terrier mix whom I adopted from my local Humane Society 2 years ago. She came to me with a left back hip limp suggestive of some type of trauma experienced while on the streets. After trying various forms of treatment (chiropractic adjustments helped somewhat) & joint supplements that were sporadically somewhat beneficial I started her on a daily regimen of 2 tablets of ARTHRIN CANINE ASPIRIN along with ArthriMaxx chews & have noticed a remarkable improvement in her mobility for which she & I are truly grateful.
By chiggy
Amboy Wa
it helps
November 12, 2015
We were giving our dog these regularly for a couple of weeks and was getting around much better!
By anthony
henderson, nevada
Review for Arthrin Canine Aspirin 300 mg For Larger Dogs (100 Chewable Tablets)
September 10, 2015
I have 2 English mastiffs and have been giving them arthrin for about two weeks and both the male and female are walking better I will continue to give this to them and I would recommend this to anybody that has a dog or cat that has bad joints
By Bianca's M.
Not what I'd call a chewable
March 3, 2015
Arthrin Buffered Canine Aspirin does seem to work--when I can get my dog to take it. I ordered it because my dog won't take pills and this one is supposed to be a flavored chewable that dogs will eat. Don't believe it! My old girl won't take this any better than any other tablet. It's chewable in that you don't have to get it down their throats whole, but definitely not chewable as in something a dog will willingly eat. At least not all dogs!
By Mieka
January 16, 2015
I guess its working. Since my dog can't talk, I really don't know. I dislike giving it to her twice a day when I don't know if she needs it or not, but .... yeah, I'll probably buy it again when I run out. Its better than the alternative.
By dms19
Wonder Drug
June 18, 2013
These buffered canine aspirin allow my dog to be mobile again. I'm so glad they finally came off backorder. Thank you.
By bubbs
This works great
March 9, 2013
This works great after a hard day playing or hunting for our 11 year old lab.
By Anka
Bucharest, Romania
very effective drug
December 20, 2012
I use Arthrin to my chow chow bitc for several years and I'm very happy with theh results. I also recommended it to my friends who are chow chow breeders.
By bmbt
December 20, 2012
I started my dog on this as soon as I got it and have seen much improvement since we started using it. It puts my mind at ease that it's not harsh on his stomache. Less than Ascripton that I was using.
By PattyP
December 19, 2012
My 12-year old Sheltie suffers from an old hock injury and has been having trouble even with small jumps. We started him on Arthrin and have seen improvement in flexibility and pain relief. The pills break up easily and he will eat them with his food. Good price and quick ship.
By Jan
Rambunctious Aussies
June 28, 2012
Excellent product - gives temporary relief to sore joints and muscles. My Rambunctious Aussies are seniors who still think they are pups - One Arthrin in the evening relieves their aches and pains so they are ready to hit the yard again the next morning.

Questions and Answers

2 Questions & 2 Answers
November 12, 2018
What is the expiration date of current stock on hand? Thank You.
1 Answer
Hello, please contact our customer service at 1-800-889-8967 and they will be happy to help you out.
Submitted by: EntirelyPets on May 1, 2019

from Blythewood, SC asked:
February 10, 2015
I am trying to avoid going to Rimadyl for my 15 year old mixed princess because I have read about all the issues it can cause in elderly dogs. I have been giving her Dog Aspirin but have not bumped her up to the full recommended dosage. She's really just been getting half the recommended amt. and could use more. Do you give your dogs the recommended dosage of Arthrin ? Any stomach problems? How much does your dog weigh? How much do you give your dog and how often? Thanks.
1 Answer
My dog weighs about 40 lbs, is 11 years old. She has arthritis in her hind legs and walks like I do early in the morning. She falls going up stairs and waits for assistance. I've been giving her the Dog Aspirin for about 2 months now and do see results in her walk as well as the happy expressions in her face. I give it to her twice a day, have skipped the one in the evening from time to time, but next morning its noticeable she should have had it. Like you I don't care for Rimadyl ot only for the side effects, but for the cost. I also give her glucossamine condroiton MSM. I wouldn't hesitate to give it to your dog twice daily. Hope this helps.
Submitted by: Mari on March 10, 2015 from Wichita, KS

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