1. For patients with chronic obstructive pulmonary diseases (such as chronic bronchitis, bronchial asthma, emphysema, pulmonary heart disease, etc.), it is advisable to have oxygen therapy for more than 15 hours daily. The specific time arrangement is flexible.
2. For those with cardiovascular and cerebrovascular diseases (including hypertension, hyperlipidemia, arteriosclerosis, coronary heart disease, arrhythmia, cerebral thrombosis, etc.) and patients with cervical spondylosis, it is recommended to inhale oxygen three times a day, in the morning, afternoon, and evening, with each session lasting approximately 1 hour.
3. Diabetic patients are recommended to take oxygen 2 - 4 times a day, 1 - 2 hours each time, which can be arranged in the early morning, mid - morning, afternoon, and evening.
4. Insomnia patients should inhale oxygen for 30 - 60 minutes before going to bed.
5. Pregnant women with intrauterine fetal distress can inhale oxygen for up to 1 hour each time, in the morning after getting up and before going to bed at night.
6. For those in a sub - healthy state or for beauty purposes, oxygen inhalation for about 30 minutes, 1 - 2 times a day is recommended.
7. Seriously ill patients and those in emergency need continuous oxygen supply for 24 hours a day without interruption.
