| Dose|Plugged/Rectal| Oral| |------|--------------|---------| | Heavy| 50-75mg|150-200mg| | Light| 5-15mg| 20-40mg| |Strong| 30-50mg|100-150mg| |Common| 15-30mg| 40-100mg| **Ethylphenidate**'s effects last for Oral: 4-10 hours.