Symptom Information: Sort according to HPO 

1
(HPO:0001324) Muscle weakness 859 / 7739
2
(HPO:0001939) Abnormality of metabolism/homeostasis 328 / 7739
3
(HPO:0002486) Myotonia 29 / 7739
4
(HPO:0003202) Skeletal muscle atrophy 281 / 7739
5
(OMIM) Muscle weakness. Selective muscle wasting. 1 / 7739
6
(OMIM) No clinical myotonia. 1 / 7739
7
(OMIM) Electrical myotonia. Muscle biopsy shows vacuoles containing hematoxylinophilic granules, and in 30% of type I fibers, myofibrillar elements demarcate the sarcoplasm into lobules. 1 / 7739
8
(HPO:0000007) Autosomal recessive inheritance 2538 / 7739