Affections in general of any kind appearing chiefly in light-haired people; in right side; left side; back; left lower extremity; scalp: external head behind the ears; external surface of the inguinal ring; inguinal ring and hernia of long standing; finger nails, especially if there are white spots on the nails. Feet perspire very much, and smell very offensively; feet become sore and blistered between the toes. Head perspires very much in the evening on going to sleep (this looks like Calc. carb ., but in Silic . the perspiration extends lower down on the neck, and is apt to have an offensive smell). Incontinence of urine in bed at night. Imperceptible pulse. Worse.-- In the night, chiefly in latter part; in the open air; in children of Silicea temperament where they are sickly, have worms, etc.; when single parts are cold; from taking cold in the feet; with profuse salivation; on uncovering; from a draft of air; after eating; after drinking; lying on the painful side; looking fixedly at an object; from wine; from outward pressure; from reading; stepping heavily on the ground or floor; in stone-cutters; when the weather changes; from getting the feet wet; from worm troubles of any kind; when writing; from uncovering the head; from wrapping the head up; in the room. Remedies following:-- Arsen., Asaf., Bellad., Calc. carb., Hepar., Lycop., Pulsat., Rhus tox., Sulphur, Nux vom .