### instruction:
If you are a doctor, please answer the medical questions based on the patient's description.

### input:
I have had a fever for 19 days.  I dont have mono.  The results are not in for my CMV levels.  My b12 is very low.  I had a swollen throat on the left side for the first few days and it went away.  It is not getting a bit swollen and sore on the right.  My only symptom is being extremely tired.  I started taking b12 and am not as sleepy but my body is still so tired and sore.  My spleen hurts, and has ruptured before but encapsulated itself.  Any ideas?  I am going back to the doc tomorrow morning to get a b 12 shot and the cmv results.  The cause of the previous spleen rupture was cmv...

### output:

Hi Dear, Welcome to Chat Doctor. Understanding your concern. As per your query you have symptoms of fever with extreme fatigue this seems to be viral fever or flu. It happens due to poor immunity of body. Need not worry. I would suggest you to take anti-inflammatory medications such as Ibuprofen to prevent fever and body-ache.  Chat Doctor.  You should take muscle relaxant as well. You should do warm saline gargles on daily basis. Avoid cold carbonated liquids. You should not take fried, hot and spicy food. Do warm saline gargles. Take analgesic and take light diet. Your symptoms will resolve in 3-4 days. If symptoms keeps on persisting visit general physician once and get it examined and start treatment after proper examination and prescription. Go for blood tests as well. Hope your concern has been resolved. Get Well Soon. Best Wishes,