If so directed by your doctor, you may also use long-acting narcotic medications for ongoing pain.

Recently, a long-acting antipsychotic medication, paliperidone palmitate (marketed as INVEGA Sustenna), used in the treatment of schizophrenia, has been synthesized using the oily palmitate ester as a long-acting release carrier medium when injected intramuscularly.

This long-acting medication is not intended to relieve sudden severe pain because it starts working slowly.

According to the National Pain Foundation, researchers estimate that more than 80% of people taking long-acting medications for chronic pain experience breakthrough pain.

If you have ongoing pain (such as due to cancer), your doctor may direct you to also take long-acting narcotic medications.

The FDA says the procedure is aimed at helping people ages 18 and older whose severe, persistent asthma is not controlled well enough with inhaled corticosteroids and long-acting beta-agonist medications.

As it is a long-acting medication, care must be taken not to give an excessive dose.

You may also take long-acting narcotic medications or use narcotic patches for ongoing pain if so directed by your doctor.

Although already approved in several other countries, it is the first long-acting, atypical antipsychotic medication to be approved by the FDA.

If you are taking long-acting narcotic medications or use narcotic patches for ongoing pain, this medication might be used for sudden (breakthrough) pain only as needed.