Dilaudid is a powerful opioid pain medication used to treat moderate to severe pain. It is a Schedule II controlled substance, which means it has a high potential for misuse and addiction. If you have been prescribed Dilaudid for pain relief, it is important to purchase it from a trusted medical source. Once you have found a trusted online pharmacy, you can buy Dilaudid online. You will need to provide a valid prescription from your doctor and follow the instructions provided by the pharmacy. Most online pharmacies require you to fill out a medical questionnaire, so that they can ensure that the medication is suitable for you.