Small pimple type eruption on legs

This boy was presented with a few pustules only on the lower lip present fir a few days. No itching. What it is?

### 29 years female since 2 months. Spot diagnosis. Treatment ???

A 50 yr old man came with these lesions on his scalp. Total duration was 2 years. Initially started as few papules but later spread to invoke a larger area and also to the dorsum of the right hand. Usually asymptomatic but rarely itchy. No similar lesions elsewhere. Diagnosis and management?

Patient developed this lesion on the scalp over 2 months, itchy scalp with loss of hair. 1. Give the diagnosis and give your supporting reasons. 2. Differential diagnosis 3. Treatment.

25 year old man with this type itchy lesions since 2month sopt the diagnosis??