To describe exactly what dogs experience when they're high, Dr. Brandon said, They experience all the pros and cons of cannabis the same as humans. They do get high if enough THC is administered and they don't generally like it. They do not understand why sounds and sights are sharper and their ability to focus is different.
Similarly, if they experience wobbliness and other gait abnormalities, this can really scare them. Once anxiety sits in, they will pace, hide, pant, have increased heart rates, etc. Again, toxic effects are seen at much lower dosages: sedation, respiratory depression, wobbliness, low heart rate.
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"History Is Much Like An Endless Waltz. The Three Beats Of War, Peace And Revolution Continue On Forever." - Gundam Wing: Endless Waltz