R 637 Pill — GRAY OVAL, 15mm — Gabapentin
| Imprint | R / 637 |
|---|---|
| Colour | GRAY |
| Shape | OVAL |
| Size | 15 |
| Strength | GABAPENTIN 800 mg |
| Dosage form | Tablet |
| Manufacturer | REMEDYREPACK INC. |
| NDC | 49349-244 |
| Schedule | — |
| Availability | — |
| Ingredients | GABAPENTIN[GABAPENTIN] |
What does this imprint mean?
The imprint "R 637" is a code stamped or printed on the tablet or capsule by the manufacturer, used to identify the drug, its strength and the maker.
Active ingredient
Gabapentin
Uses and warnings
Major Warnings: - Suicidal Behavior: AEDs including gabapentin approximately double the risk of suicidal thoughts/behavior, affecting about 1 in 500 patients. Early warning signs require immediate healthcare provider notification. - Pediatric Neuropsychiatric Effects: In children 3-12 years, gabapentin causes emotional lability (6%), hostility (5.2%), hyperkinesia (4.7%), and thought disorder (1.7%). - Withdrawal Risk: Abrupt discontinuation can cause severe seizures. Gradual tapering over minimum 1 week is required. - Hypersensitivity Reaction: Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS) reported, presenting with fever, rash, and lymphadenopathy. ---
Gabapentin treats two main conditions: Postherpetic Neuralgia: "Gabapentin is indicated for the management of postherpetic neuralgia in adults." Epilepsy: The medication serves as "adjunctive therapy in the treatment of partial seizures" in patients over 12 years and in pediatric patients ages 3-12 years. ---
How to identify this pill
- • Check the imprint matches exactly: "R 637".
- • Confirm the colour (GRAY) and shape (OVAL).
- • Compare the size (15) against a ruler if possible.
- • When in doubt, confirm with a pharmacist before taking any medication.
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Official references
Source: FDA Structured Product Label via NLM Pillbox archive (retired 2021); source file bd8129e9-2ee3-4877-b7af-5c7614f1770c.xml