Splenic Infarction: Causes, Symptoms, and Treatment
Medically reviewed by Harsha Moole, MD, Internal Medicine. Last reviewed: October 2, 2026.
What kind of doctor treats Splenic Infarction?
A primary care doctor often starts the evaluation. Depending on the cause, the patient may be sent to a hematologist, who treats blood disorders, or a cardiologist, who treats heart problems. A direct primary care or concierge doctor can be a first stop for an evaluation and can refer you to a specialist when needed.
What it is
Splenic infarction happens when blood flow to the spleen gets blocked. The spleen, an organ on the upper left side of the belly, helps filter blood and fight infection. When part of the spleen does not get blood, that tissue is damaged; the damage is called an infarct.
Symptoms
The most common symptom is pain in the upper left belly, sometimes felt in the left shoulder or back. Some people have fever, nausea, or vomiting, or pain that worsens with a deep breath. Some have no symptoms at all; the problem is then found during tests for something else.
Causes and who gets it
Anything that blocks the arteries feeding the spleen can cause this problem. A blood clot that travels from the heart is a common cause; heart rhythm problems and infections can lead to such clots. Sickle cell disease and other blood disorders raise the risk, as do clotting conditions, some cancers, and an enlarged spleen.
How doctors diagnose it
A doctor will ask about symptoms and press on the belly to check for tenderness. The main test is a CT scan, which uses X-rays and a computer to make detailed pictures of the body. It can show whether part of the spleen is not getting blood.
Treatment
Treatment depends on the cause. Doctors often treat the underlying problem, such as a heart condition or blood disorder. Pain medicine keeps the person comfortable, and some people need blood thinners to prevent more clots. Most people recover without surgery, and the spleen often heals on its own; surgery is saved for serious problems like ongoing bleeding or infection.
When to see a doctor
Anyone with sudden pain in the upper left belly should see a doctor promptly, especially with fever or vomiting. Severe pain, fainting, or signs of heavy bleeding need emergency care right away.
How a direct primary care or concierge doctor fits in
A direct primary care doctor charges a flat monthly fee instead of billing insurance; a concierge doctor usually charges more and often works alongside insurance. Either type can do the first exam, order tests, prescribe pain medicine, and follow recovery, referring to a specialist if needed.
Common questions
Can you live without a spleen?
Yes, people can live without a spleen. The liver and other parts of the immune system take over many of its jobs. People without a spleen need certain vaccines and sometimes preventive antibiotics. This is because they face a higher risk of some infections.
Does splenic infarction always need surgery?
No. Most cases heal without surgery. Doctors usually treat the underlying cause and manage pain while the spleen recovers.
How long does recovery take?
Recovery time varies from person to person. Many people feel better within weeks. Healing depends on the cause and the size of the damaged area. The doctor will use follow-up visits or scans to check progress.
Is splenic infarction the same as a heart attack?
They are similar in mechanism but happen in different organs. A heart attack is lost blood flow to heart muscle. Splenic infarction is lost blood flow to the spleen. Both involve blocked blood supply to tissue.
Sources
- MedlinePlus - Splenic infarction
- NIH Genetic and Rare Diseases Information Center - Splenic infarction
- NCBI Bookshelf - Splenic Infarction
Medical Disclaimer
This content is for general educational and informational purposes only and is not medical advice. It is not a substitute for professional medical advice, diagnosis, or treatment, and reading it does not create a doctor-patient relationship. Always seek the advice of your physician or another qualified health provider with any questions about a medical condition, and never disregard or delay seeking professional advice because of something you read here. If you think you may have a medical emergency, call 911 (or your local emergency number) immediately.
