Granddaughter, 11 years old, flu-like symptoms for 1 week (fever, headache,cough, throat). Prednison tablets for throat pain. After having stopped taking prednison because throat pain better: went to school, where she vomited. 2 hours later: feeling weak, almost fainted, had to be carried by her mother. Lungs were checked yesterday: OK. Still coughing. Very weak.