Newton Labs Homeopathic Remedy Pets Nervousness~Fear 1oz Liquid Could help with symptoms such as aggression, hypersensitivity, tremors, nervous habits, separation anxiety and loss of appetite. Directions: Pets, under 50 lbs., give 3 drops by mouth (50 to 500 lbs. - 6 drops, over 500 lbs. - 1/2 teaspoon) as needed or as directed by a health professional. Place in mouth or purified water.