Ammonium picratum

Natural History.
     Picrate of Ammonia

General.
     A remedy for malarial fever and neuralgia and so-called bilious headaches. Pain in occiput and mastoid region. Whooping cough.

Head.
     Periodical neuralgia IN RIGHT SIDE OF OCCIPUT; boring extends to ear, orbit, and jaw. Vertigo on rising. Periodic bilious headaches. (Sanguin.)

Dose.
     Third trituration