36th ECDD () Agenda item Tramadol. Page 3 of Acknowledgements. This report has been drafted under the responsibility of the WHO Secretariat, Missing: erowid | Must include: erowid. Apr 18, - Information about the mental and physical effects of Tramadol (Ultram). Tramadol Duration. Oral. Total Duration. 6 - 14 hrs. Onset. 15 mins. Tramadol erowid experience - Opt for the needed treatment available at diverse doses, types and Horizant gabapentin high or may treat partial-onset seizures.