The first needle-free emergency treatment for anaphylaxis – in the form of a nasal spray – will now be available in the UK.

FluMist is the first vaccine to prevent influenza, more commonly known as the flu, that does not need to be administered by a health care provider.

Just a few puffs into each nostril, and you're protected against infection from nasty cold viruses - that is, according to claims made for many nasal sprays. Can they really do this? Well, not ...

Nasal sprays may ease nasal congestion, but overusing them can backfire into a condition called rhinitis medicamentosa.

Joe Walsh is the first Alzheimer's patient to be treated with an experimental nasal spray designed to reduce inflammation in the brain.

A nasal spray can tamp down potentially fatal reactions, a boon to the many patients in crisis who fear using EpiPens.

Researchers delivered a dose of the “love hormone” oxytocin via a nasal spray to participants and found that it decreased acute feelings of loneliness, even months after treatment.

I use two brands of nasal spray for congestion, but both say not to use them for more than three days as they may cause “rebound” congestion. Can I alternate them for six days or three days each?