The present invention relates to methods and pharmaceutical compositions for treating conditions in non-human mammals, including seizures, idiopathic
epilepsy,
anxiety,
noise aversion, and separation
anxiety. The treatment involves administering
cannabinoid compositions comprising at least one
cannabinoid selected from
cannabidiol (CBD),
cannabidivarin (CBDV), cannabichromene (CBC),
cannabigerol (CBG),
cannabinol (CBN), and tetrahydrocannabivarin (THCV). Specific embodiments comprise CBD isolate nano-particles with purity greater than 99% of total cannabinoids and particle sizes less than 100 nanometers, suspended in oil-based media, essentially free of
tetrahydrocannabinol (THC). Methods include acute treatment for
noise aversion administered immediately prior to or during
noise events, and daily administration for separation
anxiety management. A pharmaceutical composition comprising CBD, CBDV, and CBC in a 5:1:1 weight ratio for treating seizures and idiopathic
epilepsy is disclosed. The compositions may be administered orally, sublingually, or topically at dosages of 0.1 to 10 mg per kg
body weight in cats, dogs, and horses.