A Pinprick test can identify what is causing the allergic reaction.
Pinpricks in the Curtain: India Through the Eyes of an Unlikely Missionary.
If a stray finger gets in their way, they may leave two Pinpricks.
Low platelet levels can also lead to tiny Pinprick bruises, especially on your lower legs.
Different kinds of allergy tests are available,
but the most commonly used is a skin or Pinprick test.
The bite is described as feeling like a Pinprick, though there may only be a small localized reaction.
In a skin test, small amounts of different allergens are placed on an individual's skin,
usually with a Pinprick.
Then it's another Pinprick test but because you're sending a sample away to be tested, you
have to squeeze out enough blood to fill a small container, before sealing and posting in the prepaid envelope.