Sudafed Blocked Nose Spray targets the source of congestion. It gets to work in minutes, and its effects can last for up to 10 hours, helping clear your blocked nose and alleviate any discomfort caused by cold and flu or allergies. Sudafed Blocked Nose Spray can also be used at night to aid restful sleep from a blocked nose. Just one spray up each nostril helps to clear blocked airways and reduce stuffiness, to help you breathe freely through your nose once again. Key Features of Sudafed Blocked Nose Spray Gets to work in minutes Can be used by adults and children 12 years and over Helps unblock the nose, reduce the build-up of mucus and eases breathing through the nose Non-drowsy Approved by Manjit Sond -Accuracy Checking Technician on the 16/12/2021. For more information, view our medical team. Please note that results may vary.