Buy Dilaudid online. Dilaudid, also known as hydromorphone, is a powerful opioid medication used to treat moderate to severe pain. While buying medication online can be convenient, it's important to be aware of the risks and ensure that you're obtaining it in a safe and legal manner. First and foremost, it's crucial to never buy Dilaudid or any other prescription medication from an illegal or unlicensed online pharmacy. These types of operations often sell counterfeit or expired medications that may not contain the correct amount of active ingredients, or may even contain harmful substances. Not only is it dangerous to use these medications, but it's also illegal to purchase them from these sources.