Is it normal to have a high pressure of 105 and a low pressure of 50?

Blood pressure high pressure 105mmHg low pressure 50mmHg is not normal, below the normal range, but also need to review the blood pressure, if not the same day for three consecutive days of measurement of blood pressure is still lower than 90/60mmHg belongs to low blood pressure.
The normal range of adult blood pressure is systolic blood pressure that is high pressure 90~139mmHg, diastolic blood pressure that is low pressure 60~89mmHg, so the systolic blood pressure 105mmHg is within the normal range, but the diastolic blood pressure 50mmHg is significantly lower than the normal range.
It is recommended to go to the hospital in time for examination, to clarify the causes of low blood pressure, it is recommended that in daily life, enhance nutrition, you can take the appropriate amount of blood pressure medication, such as pulse drink.