Dermatology

Question 0

What medications can cause induction or exacerbation of psoriasis?

Answer 0

Beta blockers

Question 1

What is livedo reticularis?
How does it appear?
What can cause it?

Answer 1

Mottled discolouration of the skin due to dilatation of capillary blood vessels and stagnation of blood within these vessels.

Reticular (net-like) cyanotic cutaneous discolouration surrounding pale central areas

Mostly primary and idiopathic,
May be secondary to:
- Malignancy
- Vasculitis 
- SLE 
- Cholesterol embolisation