For the problem like fever, better taste in mouth, loss of senses, smell, taste, etc. : 

Stop cooked food, and animal products.

Keep feet in hot water, water should be up to calf or knee. Water temperature 40-42 degree.

To maintain the temperature- remove two jug of water when it decrease temperature and add hot water. Keep drinking warm water, during hot foot bath. 80-90 % chance it will heal your fever at once. Maximum you need is twice. 

If you feel very hot, place a wet towel on your head to cool down. To prepare the towel, dip it in normal room-temperature water, then squeeze it gently to remove excess water before placing it on your head.

Duration- 30-40 minutes.