Medication in a suppository given through the rectum. Medications that are breathed in through your mouth or nose. How long pain relief lasts depends on the medication used and how it is given. Constipation can be prevented or treated with stool softeners and laxatives. Nausea or vomiting usually goes away within a few days and can be prevented or treated with anti-nausea drugs.
Drowsiness usually goes away within a few days.
Report severe drowsiness and if advised, take drinks containing caffeine. Addiction is the regular use of drugs to satisfy emotional or psychological needs, rather than for pain relief. Unless you have a problem with drug abuse, you will be able to stop your pain medicine when your pain is less. If I get sweaty or jittery after I stop a narcotic, it means that I'm addicted. After you have been taking narcotics for more than a couple of weeks, your body naturally gets used to the drug.