ERYNGIUM AQUATICUM CMAction of Medicine: This remedy is indicated in the irritation of the urinary tract accompanied with a burning pain and frequent desire to urinate. It is useful in urethritis when there is a thick, yellow discharge with difficult urination. Spasmodic stricture and pain behind the pubes and in cases where there is an escape of the prostatic fluid from the slightest provocation. References: Nature's Materia Medica by Robin murphy, A manual of materia