The best way to fight a cold is with plenty of rest and fluids, but doctors admit that medication can make the worst symptoms more bearable. But it's important to know that no drug will actually lessen the length or severity of your cold; it can only treat the symptoms.
If the pain in the buttocks is more noticeable when sitting it may be caused by tightness in the hamstring. Proximal hamstring tendonopathy and high hamstring tendonitis is defined as inflammation originating in the hamstring, causing pain in the lower buttocks, or pelvic bone region.
Cause: Sacroiliitis. Sacroiliitis is an inflammation of one or both of the sacroiliac joints, the spot where the lower spine connects to the pelvis. Sacroiliitis can cause pain in the buttocks, lower back, and may even extend down one or both legs. The pain can worsen with prolonged standing or climbing stairs.