Medical oxygen is a compressed gas with an oxygen content of not less than about 99% by volume. In pharmacies and medical stores you can buy oxygen spray, oxygen cylinder, or oxygen concentrator, which may prove necessary in patients with hypoxia, shortness of breath, or requiring long-term oxygen therapy at home.
Medical oxygen - inhalation oxygen, spray oxygen, oxygen cylinders, oxygen concentrators
Angelika Talar-Śpionek, mgr farm.