How do you calculate the correct dosage of hydromorphone?

In order to calculate the correct dosage of hydromorphone hydrochloride you must contact your physician or a licensed medical practitioner. Common dosages for the tablet form of hydromorphone are between 2 mg and 8 mg. Oral liquid doses of hydromorphone range from 2.5 mg to 10 mg, according to Rxlist.com.

Hydromorphone is a controlled substance in the United States as of 2014, which means that a prescription is necessary to purchase it. The Mayo Clinic states that hydromorphone must be taken precisely as described by a licensed care practitioner. If used improperly, hydromorphone can cause problems such as mental and physical addiction.