Phenobarbital Test measures drug levels in the blood to ensure proper dosing for epilepsy control and prevent side effects like seizures or drowsiness.
Here are the basic details of the Phenobarbital Test.
Also Known As | Phenobarbital Drug Monitoring |
Type | Blood Test |
Purpose | Monitor and adjust epilepsy treatment to prevent seizures |
Sample Type | Serum or plasma |
Preparation | No |
Fasting | Not required |
Gender | Unisex |
Age Group | All |
Normal Value | 15.00-40.00 ug/mL |
Reporting Time | 2 days |
Cost | 400-1200 INR* |
*Price range may vary as per location, lab type, and procedure of lab test.
The Phenobarbital Test checks blood levels of the medication phenobarbital.
The purpose of the Phenobarbital Test is to:
Here is the basic preparation for the Phenobarbital Test.
Here is the basic Phenobarbital Test Procedure.
Phenobarbital Test Abnormal Report (High Levels):
Phenobarbital Test Normal Report:
Here is the normal range of the Phenobarbital Test.
Test | Normal Range |
---|---|
Phenobarbital Test | 15.00-40.00 ug/mL |
Here is the Interpretation of the Phenobarbital Test.
Result Range | Interpretation |
---|---|
15-40 ug/mL | Therapeutic range |
>40 ug/mL | Toxic range |
The test's therapeutic range guides epilepsy treatment, with toxic levels exceeding 40 ug/mL, considering medication interactions and age-dependent metabolism.
Here are the potential causes of high Phenobarbital Test levels:
Possible Causes | Description |
---|---|
Overdose | Excessive intake of the medication |
Medication Interactions | Interference with other drugs |
Impaired Metabolism | Reduced clearance due to organ dysfunction |
Age-Related Metabolism Changes | Altered metabolism in the elderly |
High Phenobarbital levels are attributed to overdose, medication interactions, impaired metabolism, and age-related changes in metabolism.
Here are the potential causes of low Phenobarbital Test levels:
Possible Causes | Description |
---|---|
Underdosing | Inadequate medication intake |
Medication Interactions | Competing with other drugs |
Impaired Elimination | Reduced drug clearance due to organ dysfunction |
Age-Related Metabolism Changes | Altered metabolism in the elderly |
Low Phenobarbital levels may result from underdosing, medication interactions, impaired elimination, or age-related metabolism changes.
Here are the specimen requirements for the Phenobarbital Test.
Specimen |
Serum or plasma |
|
Volume |
1 mL |
|
Container |
Red-top tube or green-top tube. Do not use a gel-barrier tube. |
|
Collection |
Transfer separated serum or plasma to a plastic transport tube. Peak: 4 to 12 hours after dose; trough: immediately prior to next dose. |
|
Storage |
Refrigerate or freeze. |
|
Sample Stability |
Temperature |
Period |
Room temperature |
7 day |
|
Refrigerated |
14 days |
|
Frozen |
60 days |
|
Freeze/thaw cycles |
Stable x1 |
|
Causes for Rejection |
Gel-barrier tube; hemolysis; severe lipemia; icteric specimen |
Phenobarbital Test is generally safe when performed by trained professionals.
Here is the basic limitation of the Phenobarbital Test.
Here are some of the risk factors of the Phenobarbital Test.
Here are the Doctor's recommendations or consult a specialist after the Phenobarbital Test.
Phenobarbital Test Result | Doctor to Visit | Reason to See Doctor |
---|---|---|
High | Neurologist | Adjust epilepsy treatment |
Normal | Primary Care | Routine medication review |
Low | Healthcare Provider | Discuss medication management |
Here are the estimated Phenobarbital Test Prices in India with different top cities:
City |
Price Range (INR)* |
400-1000 |
|
400-1200 |
|
400-1000 |
|
400-1000 |
|
400-1000 |
|
400-1000 |
|
400-1000 |
|
400-1000 |
|
400-1000 |
|
400-1000 |
|
400-1000 |
|
400-1000 |
|
400-1000 |
|
400-1000 |
*Prices are approximate and vary depending on a specific laboratory or healthcare facility.
Summary
Overall, Phenobarbital Test is a diagnostic test measuring phenobarbital levels in the blood, aiding in epilepsy management and treatment adjustment. Also check Drlogy Test for detailed information about all medical tests for patients, doctors, scholers and medical students.
Reference
The protocol involves drawing a blood sample, typically in a lavender-top tube, and sending it to a lab for analysis.
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