#asktheexperts hi my daughter is 4.4 yrs old. she suddenly has severe muscle pull at night while sleeping on her right leg. the calf muscle and the foot was involuntarily pulled and felt tight is it any kind of deficiency? she also has cold for the past 3 months coughing for 2 weeks stomach upset once in 2 weeks loss of appetite lost 2 kgs in 2 months my pediatrician said it's viral infection but this muscle pull in new. please help