Duration Of Action Of Tramadol In Dogs page 1/1 page 1/1. 1. 2. 3. 1 tramadol itching trunk body. What are the dangers of the drug tramadol, puedo tomar. No information is available for this page. The duration of administration depends on the condition being treated, response to the medication and the development of any adverse effects. In dogs, Tramadol is dosed most often at 1 to 2 mg per pound (2 to 4 mg/kg) every 8 to 12 hours for post-operative pain relief.