Fever:

Mix half a glass of grapefruit juice with half a glass of water to help take away the burning sensation of fever
Eat or suck on oranges, or drink orange juice
Make basil tea by boiling 12 grams of basil leaves in half a litre of water and drink once daily.
Make saffron tea with 30ml boiling water and half a teaspoon of saffron. Drink just a teaspoon every half hour.
Soak raisins in half a cup of water, then grind up and strain. Add half a teaspoon of lime juice, then take twice a day. Add ginger for an extra kick.
Drink a glass of fresh-squeezed apricot juice with a teaspoon of honey.
Make a tea out of a teaspoon of turmeric and black pepper, ginger, diced onion, lemongrass, and a few basil leaves and drink three times a day.
mix the juice from tamarind leaves with a pinch of turmeric and cold water to taste.