CINCHONINUM SULPHURICUM 30Action of Medicine: Bursting headache on waking. Sensation as if throat were burnt with hot drink, and something were sticking in pharynx. Constipation; hard, scanty stools with tenesmus. Pasty stool passed slowly with much pressing, sphincter very much relaxed. Menses a week too soon, copious as usual. Chest seems hollow and distended so that breathing seems esp. easy. Worse after eating, motion. Reference: Dictionary of Practical Materia Medica by