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.
The piriformis syndrome. The piriformis syndrome is a condition in which the piriformis muscle irritates the sciatic nerve, causing pain in the buttocks and referring pain along the course of the sciatic nerve. This referred pain, called sciatica, often goes down the back of the thigh and/or into the lower back. Patients generally complain of pain deep in the buttocks, which is made worse by sitting, climbing stairs, or performing squats. The piriformis muscle assists in abducting and laterally rotating the thigh.