Talk to General Physician on Weakness For The Last Several Months

A 15 yrs old girl is complaining about weakness for the last several months. She had hepatitis A and Hepatitis B in August last year. Symptoms of acute hepatitis vanished in 1-2 months. ALT PT also normalized. Hepatitis B also seroconverted in 3 months Alhamdulillah.. After this she hasn't got full energy yet. Can walk but easily gets fatigued. Roughly she can perform physical activities about 20 to 30 percent of her normal age fellows. Mild Body or muscle aches and dizzy like feeling on moderate exertion. No fever or gross weight loss. Appetite is around 50 to 60 percent . No gross joints, urinary, breathing, or bowel problem. No menstruation yet. Apparently Mildly anxious. Calcium. Vit D, LFTs, RFTs, Electrolytes, CBC, all normal.

What else to be done for work up and OR management. Jazaakallah Dr.