Imitrex (Sumatriptan) is an antimigraine medicine.

Immune Support Cats supports proper immune response, cardiovascular function, skin health, glucose metabolism and proper nerve and brain functions.

Immune Support Dogs supports proper immune response, cardiovascular function, skin health, glucose metabolism and proper nerve and brain functions.

Imodium (Loperamide) is used for treating symptoms of certain types of diarrhea.

Imuran (Azathioprine ) helps to treat severe rheumatoid arthritis.

Inderal (Propranolol) is used for treating high blood pressure and angina pectoris (chest pain).

Indinavir is an HIV protease inhibitor that works by slowing the growth of HIV, the virus that causes AIDS.

Indocin (Indomethacin) is used for treating moderate to severe rheumatoid arthritis, osteoarthritis, and ankylosing spondylitis.

Infusium Topical is designed to ease and relieve the everyday muscle pain, back pain, joint pain, and general aches and pains.

Innopran XL (Propranolol) is a beta-blocker, used to treat high blood pressure.

Insect Repellant Patch works with the body's own chemistry to create an invisible barrier that shields from biting insects.

Isoniazid is used for treating or preventing tuberculosis (TB).

Isoptin (Verapamil) is used for treating high blood pressure.