article icon
article

Preparing for an Appendectomy: What to Expect and Common Side Effects

Written by healthwords.ai's team of doctors and pharmacists based in UK | Updated: 14 Jul 2025 | 5 min read

An appendectomy is a common emergency surgery to remove the appendix, a small tube attached to your large intestine. This surgery is usually done when the appendix gets inflamed or infected, which is called appendicitis. If not treated quickly, the appendix can burst and cause a serious infection in your belly.

If you or someone you know needs an appendectomy, it’s normal to feel nervous. Learning about the surgery and how to get ready can help you feel more comfortable.

What Is an Appendectomy?

An appendectomy is a surgery to take out the appendix, usually because of appendicitis. Signs of appendicitis include sudden stomach pain (often starting near your belly button and moving to the lower right side), not feeling hungry, nausea, and sometimes a fever. Doctors use your symptoms and tests (like blood work, ultrasound, or a CT scan) to decide if you need surgery.

There are two main types of appendectomy:

  • Open Appendectomy: The surgeon makes one cut in the lower right side of your belly to remove the appendix. This is used if the appendix has already burst or there are other problems.

  • Laparoscopic Appendectomy: The surgeon makes a few small cuts and uses a camera to see inside your belly. This way usually hurts less and helps you heal faster.

Most people stay in the hospital for 1 to 2 days after surgery, unless there are problems. The surgery is safe and works well when done quickly.

Who needs an appendectomy?

Most people get an appendectomy because of sudden (acute) appendicitis. Other reasons include:

  • Chronic Appendicitis: Long-term, mild swelling of the appendix (rare).

  • Appendix Tumors: Very rare, but sometimes the appendix has a growth that could be cancer.

Sometimes, if you keep having mild appendix pain, your doctor might plan the surgery ahead of time.

Risks and Benefits

The benefits of taking out an inflamed appendix are much greater than the risks. Risks include:

  • Infection at the cut or inside your belly

  • Bleeding (usually not much)

  • Problems from anesthesia, like feeling sick or having an allergic reaction

With modern surgery, these risks are low and most people recover well.

Getting ready for surgery

Medical Preparation:

  • You’ll have tests like blood work or scans to make sure you need surgery.

  • You’ll need to stop eating and drinking 6-8 hours before surgery.

  • Tell your doctor about any medicines you take: some may need to be stopped before surgery.

Practical Tips:

  • Pack a hospital bag with comfy clothes, toiletries, and something to do.

  • Arrange for someone to drive you home after surgery.

  • Set up a cozy spot at home with pillows, blankets, and things you’ll need nearby.

Mental Preparation:

  • Learn about the surgery to help calm your nerves.

  • Try deep breathing, meditation, or listening to music to relax.

  • Talk to your doctor about any worries you have.

Self-Care Before Surgery:

  • Drink plenty of water.

  • Eat healthy foods like fruits, veggies, and lean meats.

  • Avoid smoking and alcohol, as these can slow healing.

What Happens During Surgery?

  • You’ll arrive at the hospital a few hours before surgery.

  • Nurses will check your vital signs and put in an IV for medicine and fluids.

  • You’ll meet your surgeon and the person giving you anesthesia (medicine to make you sleep).

  • The surgery takes about 1 to 2 hours.

  • You’ll be asleep and won’t feel anything during the operation.

  • The surgeon removes your appendix using either the open or laparoscopic method.

  • The cuts are closed with stitches or staples.

After surgery: what to expect

Right After Surgery:

  • You’ll wake up in a recovery room, feeling sleepy or dizzy at first.

  • Nurses will watch you and give you medicine for pain or nausea.

  • You’ll start with sips of water, then clear liquids, and later soft foods.

Common Side Effects:

  • Pain or Soreness: It's normal to feel sore where you had surgery. Medicine and an ice pack can help.

  • Nausea or Vomiting: You might feel sick for a day or two, but medicine can help.

  • Bloating or Constipation: Drink water and eat fiber-rich foods as soon as you can. Walking helps, too.

  • Tiredness: Rest as much as you need and slowly get back to your normal routine.

  • Infection Risk: Watch for redness, swelling, pus, or fever. Tell your doctor if you notice these.

Recovering at home

Taking Care of Your Incision:

  • Keep the area clean and dry.

  • Don’t soak in baths or swim until your doctor says it’s okay.

  • Wear loose clothes to avoid rubbing on your incision.

Managing Pain:

  • Take pain medicine as your doctor tells you.

  • A heating pad can help with muscle aches or gas pain.

Eating and Drinking:

  • Start with easy-to-digest foods like soup and crackers.

  • Drink lots of water.

  • Eat more fiber to help with constipation.

Getting Active Again:

  • Don’t lift heavy things or do hard exercise for 2-4 weeks.

  • Start with short walks and slowly do more as you feel better.

  • Rest when you feel tired.

Taking Care of Your Mental Health:

  • Be patient: healing takes time.

  • Talk to family or friends if you feel worried or upset.

Helpful Products:

  • Abdominal binders for support

  • Heating pads for pain

  • Over-the-counter pain medicine

  • Herbal teas or fiber supplements for digestion

When to Call the Doctor

  • Severe belly pain that gets worse

  • High fever (over 100.4°F or 38°C)

  • Vomiting that won’t stop

  • Trouble breathing, chest pain, or trouble peeing

Conclusion

Having an appendectomy can be scary, but knowing what to expect can help. Follow your doctor’s instructions, take care of yourself, and don’t hesitate to ask for help if you need it. Most people recover quickly and get back to their normal lives soon after surgery.

This article has been written by UK-based doctors and pharmacists, so some advice may not apply to US users and some suggested treatments may not be available. For more information, please see our T&Cs.