Fungal nail infections occur when fungi invade the nails, leading to discoloration, thickening, and crumbling. Commonly caused by moisture, injury, or poor hygiene, this condition affects both toenails and fingernails. Treatment typically involves antifungal medications, either topical or oral, and in severe cases, nail removal may be necessary. Early detection and proper care are ess... https://www.estemedicalgroup.uk/conditions/fungal-nail-infection-onychomycosis