vesicular lesion; blister

Introduction

Lesions < 1 cm in diameter containing clear fluid

Differential diagnosis

• acute dermatitis
  • spongiotic vesicles (edema between epidermal cells)
  • allergic contact dermatitis
  • stasis dermatitis
  • irritant dermatitis
• Herpes (chickenpox, HSV)
• immunobullous disease
• cutaneous emboli
• friction blister (isolated lesions)

More general terms

• skin lesion

More specific terms

• friction blister

Additional terms

• bulla; bleb
• vesiculobullous dermatitis