Rx Note

Introduction Scabies is an intensely itchy skin condition, especially at night, caused by the mite Sarcoptes scabiei . The diagnostic burrows are small (0.5-1.5 cm grey irregular tracks) and scratching often makes them difficult to see. The mite is transmitted by direct physical contact (e.g. holding hands, hugging or sexual contact), although transmission through casual contact like shaking hands is unlikely. Occasionally, scabies is acquired via bedding or furnishings. Scabies typically affects the finger webs, sides of the fingers and wrists . In adults, it rarely affects the scalp and face, but in children aged 2 years or under and the elderly, the head is more common affected, especially the area behind the ear. Management All household members and close contacts of the affected individual should be treated simultaneously , even in the absence of symptoms. Because the incubation period of the scabies mites is 3 weeks and the itch of scabies may take up to 8 weeks to develop,...

Introduction Gamma Benzene Hexachloride, in short GBH, is an organochlorine insecticide. It has been used topically in a concentration of 1% for scabies and head lice . However, it is no longer favoured due to The rare neurologic adverse effects Reported resistance It has been classified as carcinogenic to humans in 2015. In fact, Lindane use is banned in California, United Kingdom, Australia and many Western countries. Dosing The recommended duration of GBH 1% lotion application differs, depending on the indication: Scabies : Apply a thin layer of lotion and massage it on skin from the neck to the toes; after 8-12 hours, bathe and remove the drug; most patients will require 30 ml; larger adults may require up to 60 ml. Do not re-treat. Do not leave on for more than 12 hours. CDC STD guidelines recommend an 8 hour application. Head lice , crab lice: Apply shampoo to dry hair and massage into hair for 4 minutes; add small quantities of water to hair until lather forms, then rinse h...