A native element; antimony metal is extracted from stibnite ore and other minerals. Used as a hardening alloy for lead, especially storage batteries and cable sheaths; also used in bearing metal, type metal, solder, collapsible tubes and foil, sheet and pipes and semiconductor technology.
Chronic obstructive pulmonary disease. Chronic obstructive pulmonary disease (COPD) is a common lung disease. Having COPD makes it hard to breathe. There are two main forms of COPD: Chronic bronchitis, which involves a long-term cough with mucus. Emphysema, which involves damage to the lungs over time.
Sounds like it could be an infection or it could be an allergy. From what I've read, sinus infections are common with COPD. Here's a good article about sinus infections and COPD that I hope will help you. Many people with COPD complain that they get frequent sinus infections that make their lives miserable. In fact, there is growing evidence to support that there is a direct link between COPD and chronic sinus infections, also known as sinusitis.