Common adverse effects (occurring in less than 1 in 10 but more than 1 in 100 people treated): soft, loose stools or diarrhoea.
Very rare adverse effects (occurring in less than 1 in 10,000 people treated): during the treatment of primary biliary cirrhosis: severe right-sided upper abdominal pain, severe worsening (decompensation) of liver cirrhosis which partially regresses after treatment is discontinued; calcification of gallstones; nettle rash (urticaria).
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