GSTM1 and Arthritis: Since waking this morning. No haemoptysis. O/E—looks pale and unwell. Abdomen soft, bowel normal. Had a motion this morning/normal. Stop prednisolone and indometacin. Twice omeprazole and take gaviscon (QDS). Do Hb/ESR/CRP to check progress of arthritis. Symptoms of arthritis completely disappeared. No history of indigestion