Atopica is a P-glycoprotein substrate that lands on the MDR1 problem list — but the nuance matters. Here's what owners managing a herding breed's chronic allergies need to flag.
Read their storyCar sickness, post-op nausea, and tummy upsets are routine — but several anti-nausea drugs need dose care in MDR1 dogs. Here is how to handle each one.
Read their storyHow to control post-surgical and chronic pain in an MDR1 dog safely — which NSAIDs and opioids work, and why butorphanol is the one to question.
Read their storyA plain-English guide to the Washington State University MDR1 problem drug list, sorted into three buckets you can actually use at the vet.
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