When you say "Siliac Sack"- are you meaning to say the Sacro-Iliac Joint ? That is a common area in the lower back that can have subluxation, causing pain, and also decreasing flexibility...
I feel your discomfort!
As my wife works in a pharmacy, I know that some antibiotics, especially Gent, can be audiotoxic when taken for prologed periods and/or at high dosage.
I urge you to visit an Otolaryngologist, a spe
If you are asking whether you should get something checked, then you should. You won't regret it. As for what this might be anything from muscle spasm to something strange. See a doctor.
It could be any number of things from
Most often you would get swelling, pain, and possibly nausea and/or dizziness if in the neck. Most blood clots however occur in the lower body. I would see your doctor asap or go to the ER if you suspect a clot. The reason