How long have you lived here? <a href=" http://www.bartoszkolata.com/005-tretinoin-cream.pdf ">tretinoin 0.05 cream 45gm price</a> Some of this is our fault. Flowers rarely produce allergic reactions as their pollen numbers are low. The main culprit is that green stuff that coats everything &#8212; male tree pollen. Over the years, female trees which produce less green pollen have gone out of favor. They are messy with their seed production.  But with more males planted, the green-pollen count has rocketed.