According to your sign and symptom you are suffering from some infection as Anxiety and stress with weight loss.
As you know that best treatment depend on the correct diagnosis and correct diagnosis depend on the complete history of the patient so please take consultation from a doctor and give complete history of the patient so that correct diagnosis will be make and then best treatment will be start
Next Steps
When you are suffering from weight loss then it's correct that your intake of food in less than output mean energy intake or due to any Inflammation in the body.
You should take 4-5 litre water per day.
Take Cap Multivitamin A to Z Gold 2 time per day for 1 month after food for strength and immunity.
Health Tips
Please follow good life style as take plenty of fluid and take less spicy and fatty food and keep positive attitude to fight any problem of your life.