This is an answer from Ayurveda point of view.
Probably you are suffering from malnutrition.
Please follow the following treatment
Dashmooladi kwath 10 ml + Chandraprabha vati 2 tabs
Early morning empty stomach. Avoid food for 30 mins after taking the medicine.
2 tabs Evecare + 10 ml of Balarishta after breakfast and lunch.
Saubhagya sunti 5 gm with warm milk before bed
Next Steps
Take yoga classes. Prescribed asana - surya namaskar, pavanmuktasana
Health Tips
Avoid keeping awake late night or skipping meals. Try to drink 1.5 ltr of water every day.