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Extended-Release Gabapentin Dosage

If you have nerve pain following a case of the shingles, your healthcare provider may prescribe extended-release gabapentin. Your dosage will mainly be based on your kidney function. This medication comes in tablet form and is typically taken once daily with your evening meal. It is important to take this drug with food.

An Introduction to Your Dosage of Extended-Release Gabapentin

The dose of extended-release gabapentin (Gralise™) your healthcare provider recommends may vary, depending mostly on how well your kidneys are functioning. As is always the case, do not adjust your dose unless your healthcare provider specifically tells you to do so.
 

Extended-Release Gabapentin Dosing for Postherpetic Neuralgia

The standard dosing regimen for treating pain after a case of shingles (known as postherpetic neuralgia) is as follows:
 
  • Day 1: extended-release gabapentin 300 mg once daily
  • Day 2: extended-release gabapentin 600 mg once daily
  • Days 3 to 6: extended-release gabapentin 900 mg once daily
  • Days 7 to 10: extended-release gabapentin 1200 mg once daily
  • Days 11 to 14: extended-release gabapentin 1500 mg once daily
  • Day 15 and beyond: extended-release gabapentin 1800 mg once daily.
 
If you have kidney disease, you may need a lower dosing regimen.
 
Extended-release gabapentin comes in 300-mg and 600-mg tablets. It should be taken with the evening meal. Do not stop taking this medicine suddenly. If you are going to stop taking extended-release gabapentin or switch to another medication, your healthcare provider will advise you about how to gradually reduce the dosage over a period of at least one week.
 
It is important to understand that extended-release gabapentin is not equivalent to other gabapentin products, including Neurontin®. These products cannot be used interchangeably, and people who switch from one product to another may need to have their dosage adjusted.
 
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