Cimicifuga: in coryza accompanied by rheumatic or neuralgic pains in head and face.
Cocaine Hydrochlorate.
Codeine.
Cold Powder: camph. 5 parts dissolved in ether to consistence of cream, add ammon. carbonat. 4 parts, and pulv. opii 1 part. Dose, 3 to 10 grn. To break up or modify cold.
Cubebs: powder as insufflation; also smoked; also the tincture in 2 dram doses with infusion of linseed.
Formaldehyde: by inhalation (2 per cent. solut.).
Hot Sponging: to relieve the headache.
Iodine: as inhalation.
Iodoform and Tannin: as insufflation.
Ipecacuanha: in moderate doses (10 grn.). Dover's powder at night will cut short an attack. The wine as spray to the fauces.