Skin prick tests
Skin prick tests are quick allergy skin tests used to detect immediate allergic sensitisation (IgE-mediated allergy).
What it is
A drop of standardised allergen is placed on the skin, which is then pricked very lightly to see whether a local reaction occurs.
Your care
- A diagnostic test, not a treatment.
- Performed as part of a specialist allergy work-up.
- Covered in line with the applicable medical regulations.
Where does the test take place?
👉 At the practice, in a suitably equipped consulting room.
No hospital stay is needed.
What is the test for?
The skin prick test is used to:
- Identify immediate allergic sensitisation.
- Guide the diagnosis when symptoms suggest an allergy.
- Tailor avoidance measures.
- Decide on targeted treatment (medication or immunotherapy).
Indications
⚠ It detects sensitisation, which must always be interpreted in the light of clinical symptoms.
Skin prick tests are indicated for:
- Allergic rhinitis
- Allergic conjunctivitis
- Allergic asthma
- Acute or chronic urticaria
- Suspected allergic reactions to food
- Suspected allergy to house dust mites, pollen, animals or moulds
- Allergy work-up before desensitisation
What happens
- The skin is lightly disinfected (forearm or back).
- Drops of standardised allergens are applied.
- A painless, superficial micro-prick.
- Waiting time: 15 to 20 minutes.
- Skin reactions are read and measured.
⏱ Total time: about 30 minutes.
Results
- Results are immediate and interpreted the same day.
- A positive test produces a wheal with redness.
- Compared with:
- — a positive control (histamine)
- — a negative control
The results are considered as part of an overall medical assessment (symptoms + context).
Safety
- ✔ The test is safe and well tolerated.
- ✔ Reactions are limited to the skin (temporary itching).
- ✔ The risk of a systemic reaction is exceptionally low.
- ✔ Carried out under medical supervision.
Frequently asked questions
No, the prick is superficial and barely felt.
Yes, even very young children, if indicated.
Yes, usually 3–4 days beforehand (depending on the medicine).
Yes, for immediate IgE-mediated allergies.
Yes, several if necessary.
No, the two complement each other.
This is exceptional, and the test is medically supervised.
No, only immediate allergies.
Yes.
Yes, without restriction.
This depends on the medical framework and the indication.
It may be considered if the diagnostic benefit is substantial.
They reflect your current state of sensitisation.
Yes, which is why clinical interpretation matters.
Yes, if your symptoms change.
No, other specific tests are used for that.
Yes, for immediate food allergies.
Widespread skin disease, or being unable to stop antihistamines.
No, it is one part of a full work-up.
Yes, in most cases it is essential.
Book an appointment
Online via Doctena at any time, or by phone on +352 49 80 50.