Im 16 years old and for the last 3 months Ive been feeling frequently ill and its become worst over the last month
Here are my symptoms:

*Severe headaches

*Chesty coughs

*Nausea

*Dizziness

*Insomnia

*Loss of appetite

*Cold sweats

If you think you know whats wrong with me or you think you've got advice on what I should do I would really appreciate it
I dont know what else to do because its affecting my schoolwork