Fever and losing weight?

Hey ladies. I'm just looking for some advices I have contacted my doctor just waiting to hear back once the clinic opens tomorrow on Monday. I've had a fever of 100.2 F and runny nose (lots of sneezing). I took regular Tylenol but I don't want to take to much so what else can I do to help?

Also I've lost about 7-8 pounds in the last 3 weeks. What should I do to up my weight? I don't want to lose and affect the baby.