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A case of fungal infection of the big toe Advanced fungal infection of the big toe. The most common symptom of a fungal nail infection is the nail becoming thickened and discoloured: white, black, yellow or green. As the infection progresses the nail can become brittle, with pieces breaking off or coming away from the toe or finger completely.
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 relieved. [2] Subungual hematomas typically heal without incident, though infection may occur.
Dark nails are associated with B 12 deficiency. Stains of the nail plate (not the nail bed) are associated with smoking and henna use. Splinter hemorrhages (or haemorrhages) are tiny blood clots that tend to run vertically under the nails. Drug-induced nail changes are caused by drug usage which may result in various abnormalities. [6]: 665–6
Toenail fungus starts innocently enough, appearing as a small white or yellow spot under the tip of your toenail. It’s easy to overlook or dismiss as dirt or a minor discoloration.
Subungual melanomas tend to affect the big toe and thumb the most, but it can occur on any finger or toe. ... for example, is a brown or black vertical nail streak that’s typically benign ...
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