What is caffeine medical purpose?

Caffeine has several medical purposes, primarily as a stimulant to enhance alertness and reduce fatigue. It is commonly used in the treatment of conditions like migraine headaches, where it can help alleviate pain by constricting blood vessels. Additionally, caffeine is sometimes included in medications for respiratory issues, as it can stimulate breathing in premature infants. Its diuretic properties also make it useful in managing certain conditions requiring fluid regulation.