Final answer:
A serum blood test can be drawn to assess the effectiveness of a new medication. By monitoring the levels of the medication over time, healthcare professionals can determine if the medication is working as intended. The tests are scheduled every three months or sooner if there are changes in medications.
Step-by-step explanation:
A serum blood test can be drawn to assess the effectiveness of a new medication. This test measures the concentration of the medication or its active metabolites in the bloodstream. By monitoring the levels of the medication over time, healthcare professionals can determine if the medication is working as intended.
The frequency of the blood tests may vary, but it is common to schedule them every three months or sooner if there are any changes in medications. These tests help healthcare providers monitor the medication's efficacy and make any necessary adjustments to the treatment plan.