RT Journal Article SR Electronic T1 Vasoconstrictor solutions for nasal obstruction JF Drug and Therapeutics Bulletin JO Drug Ther Bull FD BMJ Publishing Group Ltd SP 7 OP 8 DO 10.1136/dtb.3.2.7 VO 3 IS 2 YR 1965 UL http://dtb.bmj.com/content/3/2/7.abstract AB Nasal obstruction can seriously interfere with the enjoyment of life and work. The condition is very common all over the world and in most cases the cause is unknown: in only a small proportion can a responsible allergen be identified. Nosedrops and sprays containing vasoconstrictor sympathomimetic amines may bring temporary relief. When should these preparations be used?