Symptom Information: Sort according to HPO 

1
(HPO:0003326) Myalgia 143 / 7739
2
(HPO:0003552) Muscle stiffness 23 / 7739
3
(HPO:0003712) Skeletal muscle hypertrophy 42 / 7739
4
(HPO:0010548) Percussion myotonia 5 / 7739
5
(OMIM) Eyelid myotonia 2 / 7739
6
(MedDRA:10024443) Lid lag 2 / 7739
7
(OMIM) Tongue myotonia 2 / 7739
8
(HPO:0002486) Myotonia 29 / 7739
9
(OMIM) Myotonia is most pronounced in the extremities 2 / 7739
10
(OMIM) Handgrip myotonia 1 / 7739
11
(OMIM) Myotonia improves with continued activity ('warm-up phenomenon') 2 / 7739
12
(HPO:0001252) Muscular hypotonia 990 / 7739
13
(HPO:0001324) Muscle weakness 859 / 7739
14
(OMIM) EMG shows spontaneous, repetitive electrical activity ('myotonic runs') 2 / 7739