My boyfriend has had a fever around 102.4 or so since Saturday (three days now). He also has a sinus headache. I think he has developed a chronic sinus infection in the last half a year. I have been giving him ginger and onion tea with lemon juice and honey, thyme tea, and some other herbal teas. I also started giving him camu camu mixed with honey for vitamin C and ACV with baking soda. Should I be worried that his fever is not going down? Any other ideas on how to heal him?