Total 68 clinical symptoms reported for Multiple endocrine neoplasia, type 1 
Angiofibromas Angiofibroma consist of many often dilated vessels.
 
Very frequent
Impairment of activities of daily living Difficulty in performing one or more activities normally performed every day, such as eating, bathing, dressing, grooming, work, homemaking, and leisure.
 
Very frequent
Parathyroid hyperplasia Hyperplasia of the parathyroid gland.
 
Synonyms:Enlarged parathyroid glands
Very frequent
Primary hyperparathyroidism A type of hyperparathyroidism caused by a primary abnormality of the parathyroid glands (e.g., adenoma, carcinoma, hyperplasia). Primary hyperparathyroidism is associated with hyercalcemia.
 
Very frequent