Try to consume Dilaudid 4 mg in the exact way you are directed to use it by your doctor or healthcare provider. Using it for a longer period than prescribed will lead to addiction.
Tell your doctor if you are allergic to Dilaudid 4 mg medicine. The people who have tolerated opioid medication before can only use it. This is a controlled substance, hence only available with a prescription.
Some other medicines can cause serious health issues if interacted with this medicine. So if you are going through some other medication, inform your doctor about it. Dilaudid is also available in 2 mg, and 8 mg variants.