<s>[INST] Hello doctor, I just got home from a mission trip. Three days into the trip, I started getting chills accompanied by diarrhea once or twice a day, usually in the morning. I took Imodium each day and continued doing activities. Three days after diarrhea, I got a scratchy throat. The next day, I got a stuffy nose as well. The day after that, I flew home. My throat felt less scratchy, but my glands swelled up and it was painful to swallow. I still had diarrhea that morning. The next day (yesterday) I got a fever of 100.8, chills, fatigue, and coughs. I had a stuffy and runny nose throughout the day, and the left side of my nose got congested that there was painful pressure in my sinus. On the bright side, there was no diarrhea yesterday and the swelling in my glands went down. But last night diarrhea came back and then happened again this morning. It is now been a week since diarrhea first started. I still feel feverish and I am still very congested. Should I be concerned? I am currently taking Ibuprofen, Sudafed and Mucinex. [/INST] Hello. I went through your post, you have mentioned the duration of illness as one week which makes it an acute illness. The characteristic features of your illness are loose motion, fever, congestion in nose and sore throat. All these are features of acute viral infection, because of loose motion the possibility of influenza are high.  Viral infections of this kind are self-limiting and settles in one to two weeks. I would suggest to stop Ibuprofen as it causes rashes and platelet dysfunction in viral infection. You can take Paracetamol 650 mg eight hourly. Last but not least, take plenty of fluids and go for CBC (complete blood count) to see whether there is any decrease or increase in cell count. </s>