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Family Physician
Family Physician, Doctor
Category: Medical
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Experience:  Emergency Medicine and Family Practice for over 26 years
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What kind of blood test are to determine presence of S8 or

Customer Question

What kind of blood test are to determine presence of S8 or S4 drugs in blood.
Submitted: 7 months ago.
Category: Medical
Expert:  Dr. David replied 7 months ago.

This is Dr. David

usually blood tests are not used to check for drugs in the system

urine testing is better and can test longer for prior drug use.

what drugs are you looking into?

why do you want to do a blood test to check for it?