Elevated Pain Sensitivity (Hyperalgesia). Tramadol could cause an increased sensitivity to pain. It could cause things that Typically bring about pain to sense extra painful than standard. Tramadol might also induce allodynia. This happens when things which Ordinarily never bring about pain, for example donning glasses or brushing your hair, https://erickzavpi.blogkoo.com/considerations-to-know-about-chronic-pain-management-guide-58163354