Cases % Controls % Epigastric pain 7 16.67 3 7.14 Nausea 6 14.29 4 9.52 Insomnia 8 19.00 5 11.90 Anxiety 5 11.90 4 9.52 Diarrhoea 4 9.52 3 7.14 Palpitations 3 7.14 2 4.76

Table 4: Adverse effects.