In Summary. Commonly reported side effects of tramadol include: pruritus, agitation, anxiety, constipation, diarrhea, hallucination, nausea, tremor, vomiting, and. Tramadol (Ultram) Where to buy Tramadol? Tramadol is potent pain reliever. It can be prescribed individually or as combination with other drugs. I am unable to take morphine (I have a bad reaction to it) so at the mo I'm taking tramadol which isn't touch the pain anymore as I've been taking it for months now. I dread lower back muscles going into spasm as I cannot straighten up for a few days. Used to get spasms behind the shoulder but those don’t occur now. Tramadol has potential risks and should NEVER be given without the direction of your vet. In rehabilitation centers across the United States—not to mention at users’ own homes—a tramadol taper has become a premier detoxification technique. com/Q/How_bad_is_Tramadol_withdrawal Question - How bad is Tramadol WIthdrawal? Answer - Ultram Withdrawal Tramadol is highly addictive. Normally your doctor would reduce intake slowly. I have been an addict to pills for the last three years straight. I have taken Methadone,Hydrocodone,Percocet,Vicodin,Morphine and good ol' Tramadol, you know the one the professionals say you can not become addicted to. Side Effects. Drug information provided by: IBM Micromedex. Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention. There is no known interaction between Metformin and Tramadol in our records. However, an interaction may still exist.