Ethosuximide Test
Also known as: Ethosuximide Level Test, Ethosuximide Blood Test
Ethosuximide Test test available at DNA Labs India for ₹12,500. Uses Immunoassay on Serum samples. Results in Reports available after 2-3 weeks from sample collection.. Free home collection in 300+ cities across India.
🩺 Medically Reviewed By
Dr Ramarao Paidisetty
Consultant Biochemist · Reg: 21504
Last reviewed: September 7, 2026
Overview
To monitor Ethosuximide levels in the blood for patients undergoing treatment for seizures, ensuring therapeutic efficacy and safety.
- Test Code
- 532
- Price
- ₹12,500
- Sample Type
- Serum
- Result Time
- Reports available after 2-3 weeks from sample collection.
- Fasting Required
- No
- Method
- Immunoassay
Sample Collection
Ensure trough level sampling: collect sample just prior to next dose. No fasting required, but timing is critical.
Method: Venipuncture
Laboratory Analysis
Standard venipuncture procedure performed by a trained phlebotomist.
Report Delivery
Apply pressure to the puncture site to prevent bruising. Resume normal activities.
Timeline: Reports available after 2-3 weeks from sample collection.
Patient Instructions
About This Test
Who Should Get This Test
To monitor Ethosuximide levels in the blood for patients undergoing treatment for seizures, ensuring therapeutic efficacy and safety.
How to Prepare
- Collect 2 mL (1 mL min.) serum from 1 Red Top (No Additive) tube.
- Do not use SST gel barrier tubes.
- Ship refrigerated or frozen.
- Ideal sampling time: Trough level, just prior to next dose.
- Duly filled Test Send Out Consent Form (Form 35) is mandatory.
Doctor's Notes
Reviewed by Dr Ramarao Paidisetty — MBBS, MD (Biochemistry) · Reg. No. 21504
"Regular monitoring of Ethosuximide levels is crucial for effective seizure control and minimizing side effects. Consult your neurologist for personalized dosage adjustments."
Last medically reviewed: September 7, 2026
Test Parameters & Specifications
Sample Stability
- Sample collected in incorrect tube type
- Hemolyzed or lipemic samples
- Inadequate sample volume
- Missing consent form or improper labeling
Understanding Your Results
May indicate inadequate dosage or non-compliance; consult neurologist for adjustment.
Level: Subtherapeutic (<40 µg/mL)
Optimal range for seizure control with minimal side effects.
Level: Therapeutic (40-100 µg/mL)
Risk of adverse effects such as nausea, dizziness, or blood disorders; immediate medical review recommended.
Level: Toxic (>100 µg/mL)
If experiencing symptoms of seizures (e.g., loss of consciousness, convulsions), side effects of medication, or if levels are outside therapeutic range.
Limitations
- ⚠Does not diagnose seizures; only monitors drug levels
- ⚠May not reflect brain tissue concentrations
- ⚠Results should be interpreted in clinical context
- ⚠Limited to serum-based measurements
Risks & Considerations
- ●Minor bruising or pain at puncture site
- ●Rare risk of infection or fainting
- ●No significant risks associated with the test itself
Interfering Factors
- ●Timing of dose relative to sample collection
- ●Concurrent medications that may affect levels
- ●Hemolyzed or improperly stored samples
- ●Patient compliance with medication regimen
Compare With Similar Tests
| Test | Ethosuximide Test | Electroencephalogram (EEG) | Magnetic Resonance Imaging (MRI) | Computed Tomography (CT) Scan | Valproic Acid Test |
|---|---|---|---|---|---|
| Comparison | Ethosuximide Test |
Frequently Asked Questions
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