Dr Michael Radcliffe

Consultant Allergist

Secretary: 078 4252 0577

Address for Correspondence:

1 Leigh Road, Highfield

Southampton, SO17 1EF

1. Allergen extracts are selected and sterile skin test lancets prepared.

2. A drop of each extract selected for testing is placed on the forearm.

3. Each test site is lightly pricked using a separate lancet.

4. Positive reactions show up as skin wheals, 3mm to 20mm in diameter.