Erimin 5 (Nimetazepam) is a benzodiazepine with hypnotic and anxiolytic properties. It is often called Happy 5 on the streets. Each box of contains 10 strips of 10 x 5 mg Erimin tablets. Erimin is quite euphoric in large amounts (around 10 pills – one strip) for benzodiazepine tolerant people (this is not a dosage guide) and is the benzodiazepine of choice for recreation for most people. The effects of this particular benzodiazepine derivative are above alprazolam and on par with flunitrazepam.