Tongo

Natural History.
     Diptrix Odorata
     Seeds of Coumarouna – a tree in Guiana

General.
     Useful in neuralgia; pertussis.

Head.
     Tearing pain in supraorbital nerve, with heat and throbbing pain in head and epiphora. Confused, especially the occiput, with somnolence and a sort of intoxication. Trembling in right upper lid. Coryza; nose stopped, must breathe through mouth.

Extremities.
     Tearing pains in hip-joints, femur, and knee, especially left side.

Relationship.
     MELILOTUS. ANTHOXANTHUM, ASPERULA, and TONGA contain COUMARIN, the active principle. Compare them in hay-fever, also, TRIFOL.; NAPHT.; SABAD.

Dose.
     Tincture and lower potencies.