Hello and welcome to HCM!
Thanks for posting your query here.
more than 3 days with high temperature, on and off, headache matches with malaria
. Fever with gastric discomfort could be typhoid
. Delay in the diagnosis may result in serious complications of the disease. It is not advisable to be treated at home.
Its time for you to see your gp who will prescribe a blood check for malaria and widal
You seems to be with dehydration
symptoms and hypoglycemia(low energy levels). It will be better if you get admitted in a hospital. To overcome the fever, they may start you on IV anti
biotics and some fluids which will give you a speedy recovery.
Please consult your gp as soon as possible.