Skin prick testing is the preferred initial test for allergy
| Size of wheal | Clinical significance |
| > 15 mm | Very sensitive |
| 10 to 15 mm | Moderately sensitive |
| 5 to 10 mm | Mildly sensitive |
| < 3 mm | Negative result |
26 мар. 2024 г. · Bigger wheals usually mean a greater degree of sensitivity. A negative skin test means that you probably aren't allergic to a particular ... |
23 февр. 2016 г. · The average wheal diameter gives an overestimation or underestimation of the actual area up to 50 %. It is possible to correct for skin ... |
The size of the weal does not indicate the severity of the symptoms but shows us the degree of sensitivity to the allergen. For skin prick tests to be ... |
If the diameter of the wheal is ≥ 3 mm more than the negative control, this is considered a positive result. |
The larger the size of the wheal, the more likely the chance of a clinical reaction, but the size does not predict the severity of the reaction. BUT. Allergy ... |
In general, a large wheal is more likely to indicate a true food allergy, but size is not always an accurate predictor. If no wheal appears, it is unlikely ... |
Wheal reactions with a mean diameter of 3 mm or more were regarded as positive, if the control solutions showed expected result (wheal size at least 3 mm for ... |
6 июн. 2022 г. · When the allergen prick responds with a wheal diameter of larger than 3 mm compared to the negative control, the person is considered allergic ... |
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