Purpura

Purpura: Lesion caused by the escape of blood from a vessel into the surrounding tissue.
Pus: A collection of white blood cells in tissue fluid, it may be either a sign of infection or inflammation.

It sounds as though you may be suffering from Bateman's purpura, which is a type of bruising that can occur easily on the hands and arms after even the slightest bit of trauma.

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A doctor or dermatologist can confirm Schamberg’s Disease by conducting a skin biopsy. This involves taking a sample of the affected area and examining it under a microscope. This is done to rule out other forms of purpura.

Vitamin K oxide: A skin care ingredient that strengthens capillaries and prevents them from leaking to improve the appearance of discoloration, bruising, spider veins, under-eye circles and purpura (purple spots on the skin).
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