- Physical Examination
- Surgical Examination
- Ophthalmology
- Clinical Skills
- Orthopedics
- Surgery Videos
- Laparoscopy
- Pediatrics
- Funny Videos
- Cardiothoracic Surgery
- Nursing Videos
- Plastic Surgery
- Otorhinolaryngology
- Histology and Histopathology
- Neurosurgery
- Dermatology
- Pediatric Surgery
- Urology
- Dentistry
- Oncology and Cancers
- Anatomy Videos
- Health and Fitness
- Radiology
- Anaesthesia
- Physical Therapy
- Pharmacology
- Interventional Radiology
- Cardiology
- Endocrinology
- Gynecology
- Emergency Medicine
- Psychiatry and Psychology
- Childbirth Videos
- General Medical Videos
- Nephrology
- Physiology
- Diet and Food Health
- Diabetes Mellitus
- Neurology
- Women Health
- Osteoporosis
- Gastroenterology
- Pulmonology
- Hematology
- Rheumatology
- Toxicology
- Nuclear Medicine
- Infectious Diseases
- Vascular Disease
- Reproductive Health
- Burns and Wound Healing
- Kidney Zone Podcast
- Other
Morphine
Pronounced MOR-feen
Brand names: MS Contin, Kadian
Type: Opioid pain reliever · All Pain Relief & Fever Medicines
What Morphine is used for
- Moderate to severe pain
- Severe breathlessness in palliative care, on specialist advice
◆ Kidney note
Its breakdown products build up in kidney failure and prolong sedation — doses are lowered or other opioids are chosen in advanced kidney disease.
Common side effects
- Constipation
- Nausea
- Drowsiness
- Itching
- Dry mouth
Important cautions
- Can cause dangerous slowed breathing, especially combined with alcohol, sleeping medicines, or anxiety medicines
- Can be habit-forming — it is used at the lowest effective amount for the shortest necessary time
- Do not stop suddenly after regular use, as withdrawal symptoms occur
How it comes
Tablets, extended-release tablets and capsules, liquid, injection (hospital). This guide lists forms only — it never lists strengths or doses.
Related medicines — Pain Relief & Fever Medicines
Please note: This page is a patient-education summary, not medical advice, and it deliberately contains no doses. Medicines affect everyone differently — always follow your own prescription and talk to your doctor or pharmacist before starting, stopping or changing any medicine.