Symptom Information: Sort according to HPO 

1
(HPO:0001324) Muscle weakness 75% [HPO:skoehler] 859 / 7739
2
(HPO:0002015) Dysphagia 301 / 7739
3
(HPO:0003326) Myalgia 11/27 [HPO:probinson] 143 / 7739
4
(HPO:0003552) Muscle stiffness 25/27 [HPO:probinson] 18337100 IBIS 23 / 7739
5
(HPO:0003712) Skeletal muscle hypertrophy 15/27 [HPO:probinson] 42 / 7739
6
(HPO:0003730) EMG: myotonic runs 2 / 7739
7
(HPO:0003740) Myotonia with warm-up phenomenon 27/27 [HPO:probinson] 2 / 7739
8
(HPO:0008968) Muscle hypertrophy of the lower extremities 1 / 7739
9
(HPO:0010548) Percussion myotonia 26/27 [HPO:probinson] 18337100 IBIS 5 / 7739
10
(OMIM) Eyelid myotonia 2 / 7739
11
(MedDRA:10024443) Lid lag 2 / 7739
12
(OMIM) Tongue myotonia 2 / 7739
13
(HPO:0002486) Myotonia 29 / 7739
14
(OMIM) Myotonia is most pronounced in the extremities 2 / 7739
15
(OMIM) Myotonia improves with continued activity ('warm-up phenomenon') 2 / 7739
16
(OMIM) Hangrip myotonia 1 / 7739
17
(OMIM) Transient muscle weakness occur in 75% of patients, particularly in the arms and hands 1 / 7739
18
(OMIM) EMG shows spontaneous, repetitive electrical activity ('myotonic runs') 2 / 7739
19
(HPO:0000007) Autosomal recessive inheritance 2538 / 7739
20
(HPO:0003812) Phenotypic variability 129 / 7739
21
(HPO:0011463) Childhood onset 65 / 7739