4 277 pill
2 pills in our database have the imprint 4 277. All of them are Perampanel.
They differ in strength, size, and maker, so compare those with your pill and its package.
How to tell them apart
| Pill | Size | Made by |
|---|---|---|
| Perampanel 4 mg | 8 mm | Catalyst Pharmaceuticals, Inc |
| Perampanel 4.0 mg | Eisai Limited |