.
Analgesia
Euphoria
Sedation
Miosis
Vagal stimulation
Miosis
Antiemetic
Postural hypotension
Direct cardiac depression
Direct reduction of vascular tone
Vasomotor centre depression
Histamine release
Vasomotor centre
Edinger Westphal nucleus
Temperature regulating centre
Cough centre
Increase in tone and decrease in peristalsis activity of intestinal muscles
Antivagal action
Spasm of gastrointestinal sphincters
Reduction of gastrointestinal secretions
Wait!
Here's an interesting quiz for you.