Nitric Acid. Is the head remedy for the disease. It should be given in 200 dilutions every week. Soreness and burning pain in the lower bowel;' a thin greenish discharge flowing freely from the fistula.

Silicea. When there is a fetid watery discharge from the fistula.

Herb. Vul. Fistula in anus, with bilious symptoms and itching of part.

Lachesis. Pain in fistula as if beaten with hammers.

Acid Fluor. Accompanied with lachrymal and dental discharges.

Bacilitnum. May be given as an intercurrent remedy, if the well elected remedies fail to give relief.

Sulphur. Lancinating pain from anus upwards, especially after stools. Blind fistula, with painless yellowish-green discharge, poor appetite with tickling in throat; nasal catarrh; urates; phosphates and oxalates in urine.

Calcarea Phos. In scrofulous subjects. Alternated with chest symptoms or in persons who have pain in joints from change of weather.

Calendula Lotion. One dram in an ounce of water should be used locally.