Total 18 clinical symptoms reported for Spinocerebellar ataxia type 18  Very Frequent (4)Occasional (6)Frequent (8)

Areflexia	Absence of neurologic reflexes such as the knee-jerk reaction.   Synonyms:Absent deep tendon reflexes; Absent tendon reflexes; Deep tendon reflexes absent; Loss of deep tendon reflexes	Very frequent
Gait ataxia	A type of ataxia characterized by the impairment of the ability to coordinate the movements required for normal walking. Gait ataxia is characteirzed by a wide-based staggering gait with a tendency to fall.   Synonyms:Ataxia of gait; Ataxic gait; Inability to coordinate movements when walking	Very frequent
Muscle weakness	Reduced strength of muscles.   Synonyms:Muscle weakness; Muscular weakness	Very frequent
Somatic sensory dysfunction	An abnormality of the primary sensation that is mediated by peripheral nerves (pain, temperature, touch, vibration, joint position). The word hypoesthesia (or hypesthesia) refers to a reduction in cutaneous sensation to a specific type of testing.   Synonyms:Sensory impairment	Very frequent