Search results
Results from the WOW.Com Content Network
A laceration of the nail bed causes bleeding into the constricted area underneath the hard nail plate. [1] The blood pools under the nail, giving a reddish, brownish, blueish, or grey/blackish discoloration. The blood puts pressure to the nailbed causing pain which can be throbbing in quality and disappears when the pressure on the nail bed is ...
Rosacea. What it looks like: Rosacea causes redness and thick skin on the face, usually clustered in the center.Easy flushing, a stinging sensation, and small, pus-filled pimples are other common ...
Besides peripheral neuropathy (presenting as paresthesia or itching, burning or pain) and discoloration, swelling and desquamation may occur. Since mercury blocks the degradation pathway of catecholamines, epinephrine excess causes profuse sweating (), tachycardia, salivation and elevated blood pressure.
Paresthesia, also known as pins and needles, is an abnormal sensation of the skin (tingling, pricking, chilling, burning, numbness) with no apparent physical cause. [1] Paresthesia may be transient or chronic, and may have many possible underlying causes. [ 1 ]
Splinter hemorrhages (or haemorrhages) are tiny blood clots that tend to run vertically under the nails.Splinter hemorrhages are not specific to any particular condition, and can be associated with subacute infective endocarditis, scleroderma, trichinosis, systemic lupus erythematosus (SLE), rheumatoid arthritis, psoriatic nails, [1] antiphospholipid syndrome, [2]: 659 haematological ...
Blood blisters can also arise from forcible human contact, including grappling. Blood blisters also may occur with friction caused by constant rubbing of skin against a surface. Ill-fitting shoes that rub on the skin can cause the blood vessels in the skin to break and form a blood clot under the skin, resulting in a blood blister.
Schamberg's disease is caused by leaky blood vessels near the surface of the skin, capillaries, which allow red blood cells to slip through into the skin. [3] The red blood cells in the skin then fall apart and release their iron, which is released from hemoglobin. [3] The iron causes a rust color and this accounts for the orange tint of the ...
Chilblains of the feet, caused by excessive exposure to cold and humidity. Dermatitis in extremities (toes, fingers, earlobes, nose, etc), including: Burning and itching sensations; Throbbing pain; Skin discoloration (red to dark blue) with erythema (blanchable redness) Blistering of affected area; Ulceration (in severe cases only)