Difference between acute diseases and chronic diseases?

Acute Chronic Introduction (from Wikipedia) In medicine, an acute disease is a disease with a rapid onset and/or a short course. A chronic condition is a human health condition or disease that is persistent or otherwise long-lasting in its effects. The term chronic is usually applied when the course of the disease lasts for more than three months. Appearance of symptoms Sudden Usually gradual Duration Short; a few days to a week or two. Extended period of time; usually six weeks or more, often months or years. Nature of Pain Starts suddenly as a reaction to an injury or something else. Develops gradually out of habitual diet, posture or other condition. Continues beyond expected period of recovery. Examples Stubbing a toe, breaking a bone, burn, one-time headache, back ache, flu, asthma attack. Osteoporosis, asthma, frequent migraines, consistent back pain, heart disease, kidney disease,heartburn.