Neuropathic Pain Dosing Calculator
Renal-adjusted dosing for gabapentin and pregabalin.
Neuropathic Pain Dosing Form
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Understanding Your Results
Both gabapentin and pregabalin are renally excreted. Dosing must be adjusted in patients with reduced creatinine clearance to avoid neuropsychiatric side effects and sedation. Recommendations are general guidelines; always verify with current prescribing information.
| CrCl Range | Gabapentin Guidance | Pregabalin Guidance |
|---|---|---|
| ≥60 mL/min | Start 300 mg TID. Max 3600 mg/day. | Start 75 mg BID or 50 mg TID. Max 600 mg/day. |
| 30–59 mL/min | Start 200–700 mg BID. Max 1400 mg/day. | Start 75 mg QD or BID. Max 300 mg/day. |
| 15–29 mL/min | Start 200–700 mg QD. Max 700 mg/day. | Start 25–50 mg QD. Max 150 mg/day. |
| <15 mL/min | Start 100–300 mg every other day. | Start 25 mg QD. Max 75 mg/day. |
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Frequently Asked Questions
What is this calculator used for?
This calculator helps estimate clinical values, risks, or dosing based on validated formulas and guidelines.
How accurate are the results?
Results are estimates and should always be confirmed with clinical judgment and appropriate testing.
Can I use this for pediatric patients?
Follow the specific calculator instructions. Some tools are pediatric-specific, while others are for adults only.
When should I contact a doctor?
Always consult a healthcare provider for abnormal results, worsening symptoms, or if you are unsure about next steps.