Although the efficacy of systemic nasal decongestants is doubtful they are not as bad as the local preparations which can cause rebound rhinitis.
Broadly speaking these compounds are sympathomimetics - thus should be avoided in diabetics, hypertensives, patients with hyperthyroidism or coronary artery disease or patients on MAO inhibitors.
Add information to this page that would be handy to have on hand during a consultation, such as a web address or phone number. This information will always be displayed when you visit this page