Generally, that you can do to treat the heat in is rest and drink enough

If the heat in you that is caused by the occurrence of infection, it's good you drink antibiotics as recommended by doktermu. If in an emergency, such as late at night, you can create a natural antibiotic from turmeric mixed honey is brewed with warm water.
Whatever the cause, someone who is exposed to heat in need of sleep and drink with enough. To speed up the recovery, consumption of drinks that contain special minerals and electrolytes. Don't worry if you are going to the toilet to pee constantly, it is indeed necessary to restore your body's metabolism.