Question: what to do before donating blood in philippines?
Answer: be in good health.
between 16 and 65 years old (those aged 16 and 17 need parental consent)
weigh at least 110 pounds.
have a blood pressure between 90 and 160 mmHg (systolic), 60 and 100 mmHg (diastolic)
pass the physical and health history assessments.