Total 26 clinical symptoms reported for Fragile X syndrome 
Chronic otitis media Chronic otitis media refers to fluid, swelling, or infection of the middle ear that does not heal and may cause permanent damage to the ear.
 
Synonyms:Chronic infections of the middle ear; Otitis media, chronic
Very frequent
Intellectual disability, moderate Moderate mental retardation is defined as an intelligence quotient (IQ) in the range of 35-49.
 
Synonyms:IQ between 34 and 49; Mental retardation, moderate; Moderate mental deficiency; Moderate mental retardation
Very frequent
Joint laxity Lack of stability of a joint.
 
Synonyms:Hyperlaxity; Joint instability; Joint ligamentous laxity; Lax joints; Ligamentous laxity; Loose-jointedness; Loosejointedness
Very frequent
Macroorchidism The presence of abnormally large testes.
 
Synonyms:Large testicles; Large testis
Very frequent
Neurological speech impairment
 
Synonyms:Speech disorder; Speech impairment; Speech impediment
Very frequent
Pes planus A foot where the longitudinal arch of the foot is in contact with the ground or floor when the individual is standing; or, in a patient lying supine, a foot where the arch is in contact with the surface of a flat board pressed against the sole of the foot by the examiner with a pressure similar to that expected from weight bearing; or, the height of the arch is reduced.
 
Synonyms:Flat feet; Flat foot
Very frequent