Infants & babies up to two years: One spray into each nostril as required. Lay your child down and turn their head to one side. Put the nozzle into a nostril and press the spray head once. Then repeat in the other nostril.
Children over 2 years & adults: One or two sprays into each nostril as required. Put the nozzle into one nostril, holding the bottle vertically. Press the other nostril closed. Press the spray head once and spray deeply, breathing in at the same time. Then repeat in the other nostril.
Calpol Saline Nasal Spray (15ml)