Besides viral hepatitis there are also other forms of hepatitis, including alcoholic hepatitis, drug induced hepatitis, toxic hepatitis, hepatitis in metabolic syndrome, autoimmune hepatitis, etc.
Alcoholic hepatitis is suspected in case of a history of drinking. Symptoms onset is usually more gradual and there are signs of chronic alcohol use or alcoholic liver disease.
Drug induced hepatitis can be caused by a great number of drugs, including tuberculosis-specific antibiotics, amiodarone (anti-arrhythmic medication), certain antibiotics, certain antiviral drugs, paracetamol (when overdosed), etc.
Common toxins causing toxic hepatitis include: amatoxin (present in certain mushrooms), white phosphorus, chloroform, carbon tetrachloride (dry cleaning agent), and more.