You have 2 problems.
1) Blood in the motion - 3 weeks
on and off and pain all over the body, feeling sleepy but don't have enough sleep - 3 weeks
3) Face and neck are very red - 2 days
Blood in the motion -if the color is red hemorrhoids to be ruled out, if the color is black gastric bleeding from peptic ulcer
to be ruled out. Treat the cause, if any
The rest of the complaints may due to fever of any etiology. You can try simple OTC paracetamol
+ pain killers - if not relieved consult your Dr to find the cause for the fever and treat it.