<prompt> Drugs used in scabies are all except:CrotamitonPermethrinGamma-benzene hexachlorideBHCTacrolimus  <response>: Ans: D Tacrolimus Tacrolimus is a calcineurin inhibitorimmunomodulator used in atopic dermatitis, vitiligo rosacea Neena Khanna 3rd345Scaibicides used are: Permethrin cream 5, Gamma benzene hexachloride G-BHCl , Crotamiton 10, Benzyl benzoate 25 Ivermectin single oral dose 200 ugkg- Neena Khanna 3rd297SCABIES SARCOPTES SCABIEI VAR. HOMINIS: Short Review Morphology: Pruritic, erythematous papules, burrows, and vesicles in web spaces, volar wrists, waist, genitals anti axillae n Sea Ip, face, palm sales are characteristically involved in infuntschildrenThe itching and rash associated with scabies derive from a sensitization reaction directed against the excreta that the mite deposits in its burrow. Burrows become surrounded by infiltrates of eosinophils, lymphocytes, and histiocytes, and a generalized hypersensitivity rash later develops in remote sitesHyperinfestation with thousands of mites, a condition known as crusted scabies or Norwegian scabies, may result from glucocorticoid use, immunodeficiency, and neurologic and psychiatric illnesses that limit itching and scratching.Intense itching worsens at night and after a hot showed Scabies: Treatment Harrison 18th3577Permethrin cream 5 is less toxic than 1 HndanefG- BHC preparations and is effective against lindane-tolerant infestations.Successful treatment of crusted scabies requires preapplication of a keratolytic agent such as 6 salicylic acid and then of scabicides to the scalp, face, and ears.Although ivermectin, a single oral dose 200 ggkg effectively treats scabies in otherwise-healthy persons; patients with crusted scabies may require two doses separated by an interval of 1-2 weeks.Antihistamines, salicylates, and calamine lotion relieve itching during treatment, and topical glucocorticoids are useful for pruritus.To prevent reinfestations, bedding and clothing should be washed andor dried on high heat or heat-pressed, and close contacts, even if asymptomatic, should be treated simultaneously. 