Is a high pressure of 150 and a low pressure of 105 serious?

Severe.
Systolic blood pressure (high pressure) 160mmHg-179mmHg, and/or diastolic blood pressure (low pressure) 100mmHg-109mmHg, belong to the second level of hypertension, while high pressure 150 low pressure 105 clearly belongs to the second level of hypertension range, is more serious.
Common symptoms of hypertension include dizziness, headache, neck plate tightness, fatigue, palpitations, etc. Blurred vision, nosebleeds and other more serious symptoms can also occur, and typical hypertensive headache can disappear after the blood pressure drops. Hypertensive patients may also experience symptoms of the affected organs, such as chest tightness, shortness of breath, angina pectoris, polyuria, and so on. If any of these symptoms occur, it is recommended to seek prompt medical attention and standardized treatment.
Secondary hypertension patients need to maintain a low-salt and low-fat diet, and at the same time, follow the doctor’s instructions to standardize the use of antihypertensive drug therapy, do not blindly stop or reduce the dosage of medication. Nifedipine, metoprolol, valsartan, etc. can be taken under the guidance of a doctor.
It is recommended that patients standardize the treatment under the guidance of doctors, and not blindly use medication on their own, so as not to delay the condition.