Total 46 clinical symptoms reported for H syndrome  Very Frequent (6)Occasional (34)Frequent (6)

Decreased testicular size	Reduced volume of the testicle (the male gonad).   Synonyms:Decreased testicular size; Hypoplastic testes; Small testes; Small testis; Testicular hypoplasia	Very frequent
Delayed puberty	Passing the age when puberty normally occurs with no physical or hormonal signs of the onset of puberty.   Synonyms:Delayed pubertal development; Delayed pubertal growth; Delayed puberty; Pubertal delay	Very frequent
Histiocytosis	An excessive number of histiocytes (tissue macrophages).	Very frequent
Hyperpigmentation of the skin	A darkening of the skin related to an increase in melanin production and deposition.   Synonyms:Cutaneous hyperpigmentation; Hyperpigmented lesion; Increased skin pigmentation; Patchy darkened skin; Skin hyperpigmentation	Very frequent
Scleroderma	A chronic autoimmune phenomenon characterized by fibrosis (or hardening) and vascular alterations of the skin.   Synonyms:Progressive systemic scleroderma; Pseudoscleroderma	Very frequent
Stiff skin	An induration (hardening) of the skin   Synonyms:Indurated skin; Stiff skin	Very frequent