My 6 year son from last 3 years after 2 or 3 month...

What is the treatment of High fever in children ?
You need to do few tests in the nearest medical center for complete clinical assessment and evaluation . Your doctor will prescribe medications such as Antipyretic such as Paracetamol once every 6 hours with water compressors to treat the fever . Your doctor will also precribe medication such as Antibiotics ( Azithromycin500 once dialy for 5 days for bacterial infection .
What are the causes of High Fever ?

1. Common cold .
2. Ear infection .
3. Throat infection .
4. Tonsilitis .
5. Infected tooth .
6. Lung infection .
7. Skin infection .
8. Urinary tract infection .
9. other causes .

What are the tests needed for High fever ?

1. Clinical assessment for any signs and symptoms .
2. Complete blood count .
3. Chest X-ray .
4. Urine anaylsis .
5. Other tests .

What should you do at the moment ?
You should consult a pediatrician for clinical assessment and evaluation .