Tramadol Hydrochloride (Rounox) 50mg Capsules are used to treat moderate to severe pain. As an opioid analgesic, tramadol works by altering the way the brain and nervous system process pain. Each capsule contains 50mg of tramadol hydrochloride, and the pack contains 100 capsules, offering an adequate supply for pain management. It is important to use this medication under the guidance of a healthcare professional due to its potential for side effects and dependency.