A fungal nail infection occurs when fungi invade the nail bed, leading to discoloration, thickening, and crumbling of the nail. Common symptoms include a yellow or brownish hue, brittle texture, and possible pain. The infection can be caused by factors like damp environments, poor hygiene, or nail injury. Treatment often involves antifungal creams, oral medications, or in severe cases... https://www.estemedicalgroup.uk/fungus-treatment