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Knee effusion, informally known as water on the knee, occurs when excess synovial fluid accumulates in or around the knee joint. It has many common causes, including arthritis , injury to the ligaments or meniscus , or fluid collecting in the bursa , a condition known as prepatellar bursitis .
The area may be red , warm to the touch, or surrounded by cellulitis, particularly if infection is present, often accompanied by fever. [5]: p. 608 Unlike arthritis, except in severe cases prepatellar bursitis generally does not affect the range of motion of the knee, though it may cause some discomfort in complete flexion of the joint.
A petechia (/ p ɪ ˈ t iː k i ə /; [1] pl.: petechiae) is a small red or purple spot (≤4 mm in diameter) that can appear on the skin, conjunctiva, retina, and mucous membranes which is caused by haemorrhage of capillaries. [2] [3] The word is derived from Italian petecchia 'freckle', of obscure origin. [1]
When an infection gets into the knee joint, “the knee quickly becomes really swollen, red, and hot,” says Dr. Gladstone. If untreated, infection can affect the whole body, causing fevers and ...
Long-term steroid use, on the other hand, causes thinning of the skin, making it more susceptible to bruising. That same logic applies to older folks’ tendency to bruise like a peach.
A red eye is an eye that appears red due to illness or injury. It is usually injection and prominence of the superficial blood vessels of the conjunctiva, which may be caused by disorders of these or adjacent structures. Conjunctivitis and subconjunctival hemorrhage are two of the less serious but more common causes.
After about two weeks, the red spot on your eye should disappear. Learn more about weird changes in your body—read up on 42 strange symptoms that signal serious disease . Originally Published on ...
[2] [3] Generally only one eye is affected. [2] Causes can include coughing, vomiting, heavy lifting, straining during acute constipation or the act of "bearing down" during childbirth, as these activities can increase the blood pressure in the vascular systems supplying the conjunctiva. Other causes include blunt or penetrating trauma to the eye.