Severe hypersensitivity; extreme tiredness, unable to move in a coordinated way, loss of consciousness; severe stomach pain, stomach bulging or swelling or fever due to blocked enlarge bowel. Dry mouth, indigestion, stomach pain, discomfort or bloating, feeling sick, vomiting, passing wind, constipation; headache, feeling dizzy, sleepy or tired, weak; rash; urinary retention; constricted pupils.