Morphine is a strong opioid painkiller used for severe pain, including pain from cancer.

What Morphine Is Used For

Severe pain
Long-term pain from cancer, often as slow-release capsules or tablets

Common Side Effects

Constipation
Drowsiness
Nausea or vomiting
Dry mouth

Precautions

Morphine is a controlled medicine that can cause dependence and slow breathing. Use it exactly as prescribed, avoid alcohol and other sedatives, and do not drive if drowsy. Slow-release forms must be swallowed whole. Do not stop it suddenly after long use.

This page is general information only. It is not a substitute for advice from your doctor or pharmacist, and it does not include dosage. Always follow the directions given to you and read the leaflet inside the pack.