Ustilago Maidis is a homeopathic remedy for boils, menstrual headache. Worse from menopause; motion; touch; pressure; riding in carriage aggravates backache; rising; walking aggravates frontal headache; open air causes lachrymation. Better constipated stools relieve colicky pains. SOURCE: Robin Murphy Lotus Materia Medica
You can find Ustilago Maidis Pills at Remedy Source.