It is observed, as a rule, only with prolonged intake of the drug. Possible headache, pain and discomfort in the epigastrium, dry mouth, hypovolemia, electrolyte disorders, flatulence, urinary retention. Rarely - drowsiness or sleep disturbance, dizziness, intestinal spasms, nausea, vomiting, constipation. Very rarely - intestinal obstruction.
Allergic reactions (skin rash).