“…The 3 main stages of ingrown toenails were described by Heifetz (10) as follows: stage I (mild), swelling, erythema, slight edema, and pain with pressure; stage II (moderate), swelling, seropurulent exudates, nonhealing wound and oozing, infection, and granulation tissues; and stage III (severe), chronic inflammation, granulation, and chronic induration of the lateral nail fold (3,8). Fluctuation can exist between the stages, depending on the patient's care of the ingrown toenail (8).…”