Meaning | Such disease which occurs suddenly and last for a short period is called as acute disease. | Such disease which shows it's prolonged effects on human health. The condition is said to be chronic when the disease lasts for more than three months. Such disease can be life-threatening and majorly affect the immune system of the body and thus declines the health. |
It Appears | Suddenly. | Gradually. |
Time Span | It lasts for a short time, usually few days to the week. | It lasts for longer or lifetime also. |
Effects | They do not cause long term or ill effects on human. | They may cause severe long term effects on human health, which may be life-threatening too. |
Examples | Cold, burn, breaking of bone, typhoid, jaundice, cholera, burn, strep throat, etc. | Diabetes, arthritis, cancer, tuberculosis, heart disease, asthma attack, osteoporosis, etc. |