Lupulus humulus, Hops.

Is a good remedy in unstrung conditions of the nervous system attended with nausea, dizziness, headache following a night's debauch. Infantile jaundice, Urethral burning. Drawing and twitching in almost every muscle. Nervous tremors; wakefulness and delirium of drunkards. Giddiness and stupefaction. Slow pulse. Perspiration profuse, clammy, greasy.
Head.--Morbid vigilance. Highly excited. Dull, heavy headache with dizziness. Drawing and twitching in every muscle.
Sleep.--Drowsy during the day. Sopor.
Male.--Painful erections. Emissions, depending on sexual weakness and after organism. Spermatorrhoea.
Skin.--Scarlatina-like eruption on face. Feels like insects crawling under skin; feels chapped, skin peels.
Relationship.--Antidotes: Coffea; Vinegar. Compare: Nux; Urtica; Cannab.
Dose.--Tincture, to third potency. Lupulin 1X trit (Best in seminal emissions. Locally in painful cancers).

Boericke's Materia Medica, 1901, was written by William Boericke. Excerpt: The Tinctures.