Patch testing in Oprington

Patch testing is a test to see whether you have any allergies to things you would come into physical contact with and have an allergic reaction to. For example shampoos, cosmetics, leather, ear rings etc. This is not food allergy testing.

How does patch testing work?

The tests are applied on one’s back which should be clear. On day 1 the test strips are applied as self-adhesive panels with about 10 items in each. There are 40 or so substances that are tested and more can be added if you want to test your own cosmetic products.

This is clearly marked and left in contact for 48 hours after which the first reading is done. The final reading is usually done 72 hours later. During this period the back must not be washed for 5 days and no exercise as this can negate a patch test. At the end of 5 days the final reading is done by the doctor who will give a handout if there are any positive allergens, breaks down on sun exposure and even ordinary light. 

Available at the following clinic


01689 490 111

Open Mon – Fri: 8AM to 8PM

Sat: 9AM to 2PM

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If you want to find out more about these treatments or book an initial consultation, please contact the team on 01689 490 111, or alternatively make an online enquiry and the team will be in touch shortly.

Patch Testing in Orpington clinicians

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