All of the following are true about solar uicaria EXCEPT:

Common in females between age group 20-40 yrs. REF: Bolognia text bookmof dermatology, 2nd edition, vol 2 p. 1343 Solar uicaria Common in females in 4th or 5th decade Most cases are idiopathic Uicarial and erythema occur on sun exposed areas and subside within 24 hrs Some cases may develop serious bronchospasm or anaphylaxis