A low incidence of events has been reported during clinical trials, including headache, diarrhoea, abdominal pain, dyspepsia, nausea, vomiting, dry mouth, constipation, flatulence, dizziness, fatigue, rash, urticaria and pruritus.
Increases in liver function test values have been observed. These events are generally transient and self-limiting. Its relationship to lansoprazole therapy has not been established. A few cases of arthralgia, peripheral oedema and depression were reported. Haematological changes (eg, thrombocytopenia, leucopenia) have been reported rarely.