![Cosequin-DANGEROUS: high levels of magnesium will cause crystals to dorm in urethra preventing urination in small dogs, maybe large dogs. I had to take mine to ER. Bought at Costco. : r/Costco Cosequin-DANGEROUS: high levels of magnesium will cause crystals to dorm in urethra preventing urination in small dogs, maybe large dogs. I had to take mine to ER. Bought at Costco. : r/Costco](https://i.redd.it/cosequin-dangerous-high-levels-of-magnesium-will-cause-v0-clxxnrdmx9e81.jpg?width=3024&format=pjpg&auto=webp&s=d6fb5b9f33d2ef48903948898902f515dc226686)
Cosequin-DANGEROUS: high levels of magnesium will cause crystals to dorm in urethra preventing urination in small dogs, maybe large dogs. I had to take mine to ER. Bought at Costco. : r/Costco
Nutramax Cosequin Maximum Strength Joint Health Supplement Plus MSM and HA, 180ct Tablets, 2-pack | Costco
![Cosequin DS Plus MSM Joint Health Supplement for Dogs 360 Count Chewable Tablets Twin Pack (2 x 180 tablets) : Amazon.ca: Pet Supplies Cosequin DS Plus MSM Joint Health Supplement for Dogs 360 Count Chewable Tablets Twin Pack (2 x 180 tablets) : Amazon.ca: Pet Supplies](https://m.media-amazon.com/images/I/41mRRoxs02L._AC_UF1000,1000_QL80_.jpg)