painless lump

b'3 months old infant ,playful, active ,no fever. \nScabies ???'

b'M/50, C/o. Itchy eruption since 1 year. No other complaints. Spot dx rx.'

Baby of 5 month having macular eruption over face nd some papular eruption Duration 1month ?? Atopic dermatitis or ?? Seborrheic dermatitis or any D/d

A 74 yrs old female PT Having recurrent stomatitis.C/o burning sensation mainly to tongue at tip and borders on only spicy food intake.On regular medicine of Tenoric 25 and Tab.GlynaseMF. Sugar well controlled on OHA. No Asthmaor any skin disease. On regular walking exercise,Pure vegetarian.Taken Folvite,B complex for some days but recurrancy in symptoms. Hb- 11.7,TC_7400,Differential count WNL,MCV-89.14,MCH-28.89,MCHC-32.41,HAEMATOCRIT-36.1(40-54),NORMOCYTIC,NORMOCHROMIC. Resp.Drs pl guide line of management.

A 8 years female child complaining whitish patch on forearm nd on face . No history of itching, no burning sensation . Images are below . Please advise treatment.