We are the leading online pharmacy for all your pain medications and offer exclusive discounts!!! Tramadol 100mg is a powerful opioid pain medication used to treat moderate to severe pain. It belongs to the drug class of opioids, and is derived from morphine.Tramadol 100mg is a Schedule IV controlled substance, which means that it has a high potential for abuse and addiction. However, when used correctly, Tramadol 100mg can be an effective and safe way to manage pain.