Total 27 clinical symptoms reported for Pachyonychia congenita 
Hyperplastic callus formation Increased growth of callus, the bony and cartilaginous material that forms a connecting bridge across a bone fracture during fracture healing.
 
Very frequent
Lower limb pain An unpleasant sensation characterized by physical discomfort (such as pricking, throbbing, or aching) localized to the leg.
 
Synonyms:Leg pain; Lower limb pain
Very frequent
Nail dystrophy Onychodystrophy (nail dystrophy) refers to nail changes apart from changes of the color (nail dyschromia) and involves partial or complete disruption of the various keratinous layers of the nail plate.
 
Synonyms:Dystrophic nails; Onychodystrophy; Poor nail formation
Very frequent
Onychogryposis of toenails Thickened toenails.
 
Synonyms:Overgrowth and curving of toenails
Very frequent
Palmoplantar blistering A type of blistering that affects the skin of the palms of the hands and the soles of the feet.
 
Very frequent
Palmoplantar keratoderma Abnormal thickening of the skin of the palms of the hands and the soles of the feet.
 
Synonyms:Palmar and plantar keratoderma; Thickening of palms and soles
Very frequent