This infection may increase post-nasal drip. If you suspect that you have a sinus infection, you should see your physician to see if it needs antibiotic treatment. Chronic sinusitis occurs when sinus blockages persist, causing the lining of the sinuses to swell further.
Causes of Pain in Left Side Back. 1  Pregnancy: Back pain especially on the left side, is very common in pregnancy and happens for a few reasons. As the child develops in size, the uterus can pack torment delicate structures including nerves. 2  Kidney Infection: Kidney diseases can cause left side back pain.
Usually this is taken up by something called the lymphatic system. This kind of swelling can also be the result of leaky blood vessels from a source of inflammation like an allergic-type reaction (like a bug bite or bee sting) or from infection.y head feels soft in the back on the left side. It feels like if I push on it it kind of stays that way for a second, like I can make an indentation in it.