Toenail Problems: Signs, Causes, and When to See a Doctor #3790391 (License: Personal Use)

The image contrasts two feet: the left displays normal, well-maintained toenails with natural pink nail beds and smooth surfaces, while the right shows pathological changes including yellow discoloration, subungual hematoma (blood under nail), green fungal growth, and onycholysis (nail separation). These visual cues help users recognize early signs of conditions such as onychomycosis, trauma, or psoriasis-related nail dystrophy.

Used in dermatology, podiatry, or foot care web pages to educate patients about toenail abnormalities; supports symptom checkers, self-assessment guides, and preventive care content. Matches user intent for identifying possible nail disorders before consulting a professional.