A 30 years man came with destructive nails of fingers of right hand for 6 months. no itching, no pain. what may be the diagnosis?

15yrs old female patient C/o brittle nails both arms and both foots . from 2- 3 months . . . with warm palms and foots . . . ! so pls dignosis ? and Rx ?

A 68 year old female presented with these nail lesions. No itching no pain? Whats diagnosis and treatment.

2 years old boy. Such Lesions over skin for last 5-6 days. Diagnosis and treatment.

Male 50 Years Nail Deformity Since 4 Years Work Whole Day With Continuous Water Contact No Itching DIAGNOSIS AND TREATMENT ??