It is purpulish discoloration of skin and mucous membrane due to sub-cutaneous and sub-mucous extravasation of blood.

Clinical features :-

• Occurs among adults below 40 years
• Females are more affected
• Bleeding spots on skin or mucosal surface
• Women may have menses or bleeding between periods
• Bleeding into TMJ results in pain and trismus
• Gingival bleeding

Treatment :-

• Steroid therapy
• Repeated blood transfusion
• Splenectomy
• Immunosuppresive drug therapy

Reference :-

Image :- Google
Writing :- notes made from mastering bds and Sanjay Kumar Purkait books