Uniqueness of Tramadol Even a question arises how will you understand the uniqueness of Tramadol. The medicine is yellow in color and has the imprint 355 U. It is original and available on most of the websites. It is not that you are not going to get the medicine in a local market, you will get it. The label of the packet will say Tramadol 100mg Tabletas. Conclusion Therefore, people are happy after consuming Tramadol. It makes you feel relaxed. So you are not going to have any sort of trouble. Have the medicine to see a change within you very soon.