Uses

When consumed, injected, etc. morphine is a very effective pain killer. This is the drug's primary intended use. Because of morphine's pain relieving properties, it is the standard that new analgesics are measured against.
Morphine is most often given to hospital patients with various physical conditions that would cause them to have extreme, constant pain. The drug is most commonly given patients such as these, and it is most commonly administered to these patients in the form of controlled release tablets.
Morphine is also the main ingredient of opium. Commercial opium is about 10% morphine.