Cutaneous allergy from local contact with isonicotinic acid hydrazide.
D003872:Dermatitis; D003876:Dermatitis, Atopic; D003877:Dermatitis, Contact / Q000209:etiology*; D007538:Isoniazid; D009525:Niacin / Q000031:analogs & derivatives; D009539:Nicotinic Acids
D009539:Nicotinic Acids; D009525:Niacin; D007538:Isoniazid
DERMATITIS, CONTACT/etiology and pathogenesis; NICOTINIC ACID/derivatives