Treatment options include either topical or oral medication. Topical options include permethrin cream (drug of choice), lindane, benzyl benzoate, crotamiton lotion and cream, sulfur, topical ivermectin, tea tree oil, or oil of the leaves of Lippia multiflora Moldenke, a shrub found growing in West African savanna.
Kidney stones cause pain when the ureter contracts in an attempt to pull the stone through the bladder tube. If the surface of the stone is sharp or pointed, as it often is, the stone creates a nagging or stabbing discomfort in the lower back and/or groin, the NIH says.
PAIN IN MIDDLE OF BACK ON ONE SIDE . OTHER SYMPTOMS: Severe pain in the abdomen or groin, pain urinating, blood in the urine. POSSIBLE CAUSE: Kidney stones - when waste products in the urine (such as calcium, oxalate and phosphorus) build up, they form crystals that collect inside the kidneys as hard, stone-like lumps.