If you are suffering from chronic pain, you are not alone. In fact, roughly 50 million adults in the USA suffer from pain that has lasted for three months or longer. Citra Tramadol 100mg tablets works incredibly at controlling your acute or chronic pain. This medicine works by changing the way how your body responds to the pain. Tramadol citra 100mg. contains Tramadol as its main ingredient an opioid analgesic prescribed for moderate to severe pain in adults. This medication works effectively at controlling your chronic or acute pain which is as a result of injury or surgery.