Total 34 clinical symptoms reported for Familial dysautonomia  Very Frequent (10)Occasional (16)Frequent (8)

Abnormal pupil morphology	An abnormality of the pupil.   Synonyms:Abnormal pupillary morphology; Abnormality of the pupil; Pupillary abnormalities; Pupillary abnormality	Very frequent
Alacrima	Absence of tear secretion.   Synonyms:Absence of tears in the eyes; Absent lacrimal fluids; Absent tear secretion	Very frequent
Feeding difficulties in infancy	Impaired feeding performance of an infant as manifested by difficulties such as weak and ineffective sucking, brief bursts of sucking, and falling asleep during sucking. There may be difficulties with chewing or maintaining attention.	Very frequent
Growth delay	A deficiency or slowing down of growth pre- and postnatally.   Synonyms:Delayed growth; Growth deficiency; Growth delay; Growth failure; Growth retardation; Poor growth; Retarded growth	Very frequent
Hyperhidrosis	Abnormal excessive perspiration (sweating) despite the lack of appropriate stimuli like hot and humid weather.   Synonyms:Diaphoresis; Excessive sweating; Increased sweating; Profuse sweating; Sweating; Sweating profusely; Sweating, increased	Very frequent
Hypohidrosis	Abnormally diminished capacity to sweat.   Synonyms:Decreased ability to sweat; Decreased sweating; Inadequate sweating; Oligohidrosis; Sweating, decreased	Very frequent
Hyporeflexia	Reduction of neurologic reflexes such as the knee-jerk reaction.   Synonyms:Decreased reflex response; Decreased reflexes	Very frequent
Impaired pain sensation	Reduced ability to perceive painful stimuli.   Synonyms:Decreased pain sensation; Decreased pinprick sensation; Impaired pain sensation	Very frequent
Orthostatic hypotension	A form of hypotension characterized by a sudden fall in blood pressure that occurs when a person assumes a standing position.   Synonyms:Decrease in blood pressure upon standing up; Postural hypotension	Very frequent
Peripheral neuropathy	Peripheral neuropathy is a general term for any disorder of the peripheral nervous system. The main clinical features used to classify peripheral neuropathy are distribution, type (mainly demyelinating versus mainly axonal), duration, and course.   Synonyms:Peripheral nerve damage; Peripheral neuritis	Very frequent