How are you? What other symptoms are present? Cement dust may cause lung function impairment, chronic obstructive lung disease, restrictive lung disease, pneumoconiosis and possibly carcinoma of the lungs, stomach and colon. (ref: http://www.ncbi.nlm.nih.gov/pubmed/15448758). This is may cause risks as health hazards especially in developing occupational disease. If the symptoms persist, it is best that further evaluation be done for proper management. Talk to your doctor about this or be referred to an occupational health physician. Additional diagnostic tests may be done also to ruleo ut other possible cause. Take care and do keep us posted.