This medication is used to help relieve moderate to moderately severe pain. Tramadol is similar to opioid analgesics. It works in the brain to change how your body feels and responds to pain. Do not share this medication with others. Sharing it is against the law. This medication has been prescribed for your current condition only. Do not use it later for another condition unless told to do so by your doctor. A different medication may be necessary in that case. Ask your doctor or pharmacist if you should have naloxone available to treat opioid overdose. Teach your family or household members about the signs of an opioid overdose and how to treat it.