Vicks Severe Sinex decongestant sprays are described as providing up to 12 hours of relief from nasal congestion and sinus pressure.
Vicks Sinex sprays are delivered as an ultra-fine mist—often described as a gentle or one-way flow ultra-fine mist—designed to target congestion at the nasal membranes.
Vicks Sinex saline sprays are offered in a standard saline mist and an Extra Strength saline formulation, with the Extra Strength described as roughly 3× the concentration of regular isotonic saline.
Before using oxymetazoline (Sinex) sprays, consult a doctor if you have diabetes, are pregnant or nursing, or have thyroid disease, high blood pressure, heart disease, urinary problems, or other medical conditions. The products also include standard warnings to keep them out of reach of children.