Why to use tramadol
About About Drugs. This can be harmful or prevent use drug from working well. Seek medical attention right away if you have symptoms of serotonin syndrome, such as: tramadol, hallucinations, fever, sweating, shivering, fast heart rate, muscle stiffness, twitching, loss of coordination, nausea, vomiting, or diarrhea. Serotonin syndrome occurs when the levels of a chemical… Read More »