⚕️ This page does not give medical advice about your vaccinations. Vaccination decisions around surgery are individual: they depend on your surgery type, your health, your medications, and your vaccination history. This page explains why the question matters and gives you the right questions to ask your GP or surgeon. Your doctor makes the decision, not this page.

Vaccines Before and After Surgery: What to Ask Your Doctor

Many patients wonder about vaccinations around surgery, and most never think to ask. It is a genuinely important question. Surgery temporarily changes how your immune system works, and some infections that vaccines prevent are significantly more dangerous in post-surgical patients. This guide helps you understand why it matters and what to discuss with your doctor.

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Based on guidance from NHS, NICE, AAOS & healthdirect

Last reviewed: July 2026 · Free to use · No data collected

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If you've had your spleen removed: contact your GP about vaccinations urgently

🔍Why vaccination timing around surgery matters

Based on NHS vaccination guidance, healthdirect, and NICE immunisation guidelines.

Surgery suppresses the immune system temporarily. Major surgery (particularly under general anaesthesia) causes a period of immune suppression lasting days to weeks. This is why infection risk is elevated after surgery, and why infections that vaccines prevent can be particularly serious during this window.
Some vaccines are less effective immediately after surgery. If your immune system is suppressed, it may not mount a full response to a vaccine given right after a major operation. Timing vaccines to when your immune system is at full strength maximises protection.
Live vaccines need special consideration. Live attenuated vaccines (such as MMR, varicella/chickenpox, yellow fever) should generally not be given to people who are immunosuppressed, including the early post-surgical period, and particularly to those on steroids or other immunosuppressant medications.
Infections like influenza and pneumonia are more dangerous after surgery. A chest infection after major abdominal or cardiac surgery is a serious complication. Being vaccinated against influenza and pneumococcal disease before surgery reduces this risk.
Some surgeries permanently change immune status. Splenectomy (removal of the spleen) (which may be performed as part of other abdominal surgery) significantly impairs immunity to certain bacteria. Specific vaccinations are mandatory after splenectomy.

📋Common scenarios: what to discuss with your doctor

💉 Planned elective surgery coming up

Ask your GP at your pre-operative appointment whether your routine vaccinations are up to date. If flu season is approaching, an inactivated influenza vaccine before surgery is worth discussing. Give at least 2 weeks between vaccination and surgery where possible to allow immunity to develop. Raise this at your pre-operative assessment. It is a legitimate question.

Recovering from surgery now

If you are in early recovery, do not self-administer any vaccine without checking with your GP or surgical team first. Inactivated vaccines (flu, COVID-19 mRNA, pneumococcal) are generally considered safe during surgical recovery, but timing and your specific medications matter. Live vaccines should be avoided until your surgeon or GP confirms it is safe.

🎗️ Cancer surgery and upcoming chemotherapy

The window before chemotherapy starts is the ideal time to update vaccinations: particularly influenza and pneumococcal. Chemotherapy significantly suppresses immunity, making some vaccines ineffective and live vaccines potentially dangerous. Do not receive live vaccines during chemotherapy without explicit oncologist approval. Raise your vaccination status with your oncologist before treatment begins.

🫀 Spleen removed (splenectomy)

This is the most important vaccination scenario in surgery. The spleen plays a critical role in fighting certain bacteria, particularly pneumococcal bacteria, meningococcus, and Haemophilus influenzae type b (Hib). Without a spleen, these infections can be rapidly life-threatening. Specific vaccines are required after splenectomy, and annual flu vaccination is recommended. Your surgical team should initiate this discussion — if they have not, ask your GP urgently.

🦴 Joint replacement surgery

Prosthetic joint infections are extremely serious complications. Some orthopaedic centres recommend ensuring pneumococcal and influenza vaccination is up to date before elective joint replacement. Raise this at your pre-operative assessment if not already discussed.

✈️ Travelling abroad after surgery

Travel vaccines (typhoid, hepatitis A, yellow fever, meningococcal, rabies) have specific timing requirements and some are live vaccines. If you are planning overseas travel after surgery, discuss travel vaccination needs with a travel medicine clinic or your GP well in advance — ideally before your surgery date so timing can be planned. Do not assume it is safe to have travel vaccines without checking.

📊Common vaccines: general timing guidance

This is friendly general guidance. Your doctor decides what is right for you based on your specific situation. Always check before having any vaccine around the time of surgery.

💉 Influenza (flu)

Before surgery: Generally recommended, especially if flu season approaching. Give at least 2 weeks before surgery. Inactivated vaccine (standard adult flu shot) preferred.
After surgery: Inactivated flu vaccine generally considered safe during recovery, confirm timing with your doctor.

🫁 Pneumococcal

Before surgery: Strongly recommended before splenectomy. Worth discussing before major surgery in older patients or those with chronic conditions.
After splenectomy: Mandatory: your surgical team should arrange this. If not raised, ask urgently.

🦠 COVID-19 (mRNA)

Before surgery: Being up to date reduces risk of COVID-19 perioperatively.
After surgery: mRNA vaccines (Pfizer, Moderna) generally considered safe during recovery: confirm with your doctor. Allow at least a few days gap from surgery.

🧫 MMR (measles, mumps, rubella)

Live vaccine: special care needed. Generally avoid within 4 weeks of major surgery. Avoid during immunosuppression (steroids, chemotherapy). Discuss timing with your GP.

💉 Varicella (chickenpox)

Live vaccine: special care needed. Same considerations as MMR. Do not give during immunosuppression. Discuss with GP if not previously vaccinated or infected.

🟡 Yellow fever

Live vaccine: strict rules apply. Do not give during immunosuppression. Timing around surgery requires specific medical advice from a travel medicine clinic. Do not self-arrange.

🩺 Shingles (herpes zoster)

Recombinant vaccine (Shingrix) is not live: generally safe around surgery, confirm timing with GP. Older live shingles vaccines (Zostavax): live vaccine rules apply.

🔵 Hepatitis A and B

Inactivated vaccines, generally safe around surgery. Relevant if travelling after surgery or for certain occupational or health risk groups. Discuss with GP.

💬 Questions to ask your GP or surgeon

Are my routine vaccinations up to date, and should any be given before my surgery?

I have a flu vaccine / COVID booster due. Is it safe to have it before or after my operation, and what is the best timing?

I am planning to travel after my surgery — when is it safe to have travel vaccines, and are any contraindicated with my medications?

I am having my spleen removed: what vaccinations will I need, and when?

I am starting chemotherapy: which vaccinations should I have beforehand, and are there any I must avoid during treatment?

I take steroids or immunosuppressant medications: does this affect which vaccines are safe for me?

❓Frequently asked questions

Should I get a flu vaccine before or after surgery?

Ideally before, if your surgery is planned and flu season is approaching. An inactivated flu vaccine can generally be given fairly close to surgery, but timing should be confirmed with your GP or surgeon. Influenza after major surgery significantly increases complication risk, so being protected before surgery makes sense where possible.

Can I have a vaccine while recovering from surgery?

It depends on the vaccine type and your recovery. Inactivated vaccines (flu, pneumococcal, COVID-19 mRNA) are generally considered safe during surgical recovery. Live vaccines (MMR, varicella, yellow fever) should generally be avoided for several weeks after major surgery and during any period of immunosuppression. Always check with your GP first.

Why do vaccines matter more around surgery?

Surgery temporarily suppresses the immune system. Some infections that vaccines prevent (particularly influenza and pneumococcal disease) are significantly more serious in post-surgical patients. Additionally, live vaccines carry small risks if the immune system is compromised, and some vaccines are less effective immediately after major surgery.

Do I need vaccines before joint replacement surgery?

Some orthopaedic centres recommend ensuring pneumococcal and influenza vaccination is current before elective joint replacement — prosthetic joint infections are very serious complications. Worth raising at your pre-operative assessment if not already discussed.

What about vaccines before cancer surgery or chemotherapy?

The window before chemotherapy starts is the ideal time to update vaccinations. Chemotherapy significantly suppresses immunity. Live vaccines must not be given during chemotherapy. Your oncologist should review vaccination status before treatment begins, raise it if they have not.

I had my spleen removed. What do I need to know?

This is the most important vaccination scenario in surgery. Without a spleen, certain bacterial infections can be rapidly life-threatening. Specific vaccines (pneumococcal, meningococcal, Hib) are mandatory after splenectomy. If your surgical team has not arranged this, contact your GP urgently, this should not wait.

The right next step

Raise your vaccination questions at your pre-operative assessment or with your GP. Bring this page if it helps you remember what to ask. Your doctor has access to your full medical history and can give advice tailored to you.

🩺 AskMyGP.com.au

Your recovery toolkit

Free interactive tools to track your recovery day by day. Everything stays on your device — nothing is uploaded or shared.

Daily dashboardMeds, vitals & wound photos in one view Discharge packTurn discharge notes into a day-one plan Last-dose tracker“When can I take the next one?” Vitals trackerTemperature, heart rate, BP & oxygen Wound photo journalSame angle every day — spot changes early Pain trackerSpot the trend, share it with your GP

These tools support — never replace — the advice of your surgical team. If something feels wrong, contact your doctor or emergency services.

Vaccines Before and After Surgery: What to Ask Your Doctor

🧰 Your recovery toolkit

Your recovery toolkit