Neem is a tree. The bark, leaves, and seeds are used to make medicine. Less often, the root, flower, and fruit are also used.
Neem leaf is used for leprosy, eye disorders, bloody nose, intestinal worms, stomach upset, loss of appetite, skin ulcers, diseases of the heart and blood vessels (cardiovascular disease), fever, diabetes, gum disease (gingivitis), and liver problems.
The bark is used for malaria, stomach and intestinal ulcers, skin diseases, pain, and fever.The flower is used for reducing bile, controlling phlegm, and treating intestinal worms.