Aconite – Constant, short dry cough with a feeling of suffocation which increases with every respiration. Wakes him from sleep. Restlessness. Comes suddenly after exposure to cold dry winds.
Belladonna – Child begins to cry immediately before cough comes on. Tickling burning in larynx with violent paroxysms. The typical Bell, patient is red, and burning hot, with dilated pupils.
Bryonia – Hard, dry cough with soreness in chest. Worse at night, in a warm room; with headache, as if head would fly to pieces. Worse for any movement; better for pressure.
Nux vomica – Spasmodic cough with retching. Worse cold, dry, windy weather. Feverishness, when present, cannot move or uncover without feeling chilly. Nux is angry, easily offended.
Phosphorus – Hard, dry, tight cough which racks the patient and is very exhausting. Violent cough with pain in the head, chest, abdomen. Worse lying on left side. Sputum salty, yellow, bloody, rusty.
Causticum – Dryness, rawness, hoarseness, aphonia. Chest seems full of mucus. Struggles to get it up, coughs till exhausted, till he finds that a drink of cold water (ice-cold) will relieve.
Stannum – Loose cough with heavy green, sweet sputum (or salty). Sensation of great weakness in chest. Chest feels empty. Deep, barking, hoarse, tormenting cough; the impulses follow one another so violently that they choke, suffocate him. Cough worse at night. Whooping cough.
Rumex – Cough on breathing cold air. Covers up mouth. Every fit of coughing produces the passage of a few drops of urine. Sensitive to open air.