Hepatic encephalopathy can occur in those with acute or chronic liver disease. Chronic pancreatitis may develop as a result of acute pancreatitis. Two clinical forms; acute and chronic lesions. It can cause both acute and chronic infection. Smoking increases the risk of both acute and chronic pancreatitis. Atelectasis may be an acute or chronic condition. Combat stress is a widespread acute and chronic problem. Cheilitis can be either acute or chronic. Working memory is impaired by acute and chronic psychological stress. These can be divided into acute or chronic indications. Testing is not able to distinguish between acute and chronic infections. Ethane poses no known acute or chronic toxicological risk. Endometritis is divided into acute and chronic forms. Acute and chronic hives are visually indistinguishable. Dysthymia is less acute and severe than major depressive disorder.