Ambrosia artemisiaefolia, Rag-Weed.
A remedy for hay-fever, lachrymation and intolerable itching of the eye-lids. Some forms of whooping-cough. Respiratory tract in its entire length stopped up. Many forms of diarrhoea, especially during summer months, also dysentery.
Nose.--Watery coryza; sneezing; watery discharge. Nosebleed. Stuffed up feeling of nose and head. Irritation of trachea and bronchial tubes, with asthmatic attacks (Aral; Eucalypt). Wheezy cough.
Eyes.--Smart and burn. Lachrymation.
Relationship.--Compare in hay-fever: Sabadilla, Wyethia; Succin ac; Ars jod; Arundo.
Dose.--Tincture, to third potency; 10 drops in water during and after attack of epistaxis. In hay-fever high potencies.