Table.

Alternative diagnoses in patients whose reactions were considered unrelated to drugs. In parentheses are numbers of cases in which primary underlying diagnosis was recognised and treated at time that reaction was reported but reaction was incorrectly attributed to a drug

Diagnosis	Hospital reports (n=49)	General practitioner reports (n=16)
Common bile duct stone	8 (0)	4 (0)
Ischaemic hepatitis	8 (7)	2 (1)
Autoimmune hepatitis	6 (1)	2 (0)
Systemic sepsis	7 (6)	5 (5)
Alcoholic liver disease	3 (1)	0
Gilbert's syndrome	3 (0)	0
Hepatitis due to Epstein-Barr virus infection	2 (1)	0
Hepatitis due to cytomegalovirus infection	2 (0)	0
Steatosis	2 (0)	1 (0)
Postictal (as indicated by raised muscle enzyme level)	1 (1)	1 (1)
Lymphoma	2 (0)	0
Paracetamol overdose	2 (2)	0
Cholangitis	1 (1)	0
Thyrotoxicosis	1 (1)	0
Hepatitis B cirrhosis	1 (0)	0
Cryptogenic cirrhosis	0	1 (0)