Ipratropium nasal spray is given to help stop rhinorrhoea. Rhinorrhoea is a thin watery discharge of mucus from the nose. It is often described as a 'runny nose'. It may be caused by an allergy, or because of other reasons such as changes in atmosphere or temperature.
This is a companion discussion topic for the original article at https://patient.info/medicine/ipratropium-nasal-spray-rinaspray