Answer
Testing should use healthy, lesion-free skin. Eczema, atopic dermatitis or dermographism at the test site can distort the result, so another site or postponement may be needed.
Sources for this answer
- Soluprick SQ Grass Pollen Phleum pratense (Timothy Grass) 10 HEP — Current selected SmPCemc · Summary of Product Characteristics
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.