Prozac is a prescription drug used to treat depression, obsessive-compulsive disorder, panic disorder, and other psychiatric conditions. It is available in the form of capsules, delayed-release capsules, tablets, and solutions. All these available medications are taken by mouth with water. These drugs work for increasing a chemical in the Central Nervous system that allows activating the nerve. It allows people to change moods and impulses. Several doses are available on the Prozac capsule. They are such as Prozac 5 mg, Prozac 10 mg, Prozac 20 mg, Prozac 40 mg and Prozac 60 mg.