<s>[INST] hi i am from india and suffering from dust and pollution allergy  . it increased when climate changes or in cold weather conditions .i feel uncomfortable to breathe at night . please send me some names medicines which can help me or aany kind of suggestions [/INST] anti-allergic tab montelukast and fexofenadine combination is the best for you as it will cover allergy of nose and chest bronchodilator cough spy can ease the chest congestion if very uncomfortable can choose for short course of newer steroids but if you go for allergy tests and find the allergens your sublingual immunotherapy can help you in permanent relief as this is gaining support internationally as it is very effective in treating seasonal allergies by pollen and dusts </s>