Is it normal to have a sore throat after surgery? What to know.

September 21, 2025 •

5 min read

According to some studies, over 60% of patients who undergo general anesthesia with intubation may experience a sore throat afterward. So, is it normal to have a sore throat after surgery? Yes, it is a very common side effect of certain procedures and anesthesia methods, and in most cases, it is mild and temporary.

Quick Summary

Yes, a sore throat is a very common side effect after surgery, especially after procedures involving general anesthesia with a breathing tube. It is typically caused by irritation from the breathing tube, dry throat, or post-anesthesia effects. Symptoms usually resolve within a few days, but there are multiple ways to manage the discomfort.

Key Points

Common Side Effect: Post-operative sore throat (POST) is a frequent and normal occurrence, particularly following general anesthesia that requires intubation.
Intubation is a Key Cause: The most common cause is the irritation caused by the endotracheal breathing tube, which can affect the throat, larynx, and vocal cords.
Hydration is a Simple Remedy: Dehydration from pre-op fasting contributes to dryness, so staying well-hydrated post-surgery is crucial for relief.
Duration and Type Matter: The length of the procedure, tube size, and other anesthetic factors can influence the severity and duration of the soreness.
Symptoms are Usually Temporary: In most cases, the discomfort is mild and resolves on its own within a few days to a week.
When to Seek Help: If the sore throat is severe, persistent for more than a week, or accompanied by fever, it's important to contact your doctor to rule out complications.

Why Does Your Throat Hurt After Surgery?

A sore throat after surgery, often called Postoperative Sore Throat (POST), is a widely recognized side effect of general anesthesia, but the reasons behind it can be varied. Understanding the root cause can help you differentiate between a normal post-op symptom and something more serious.

The Impact of the Endotracheal Tube

For any procedure requiring general anesthesia, an endotracheal tube (ETT) is often inserted down the throat and into the windpipe (trachea). This process, known as intubation, ensures that you receive oxygen and the anesthesia team can control your breathing throughout the procedure while your muscles are relaxed. While essential for your safety, the tube can cause irritation in several ways:

Mechanical Irritation: The insertion and removal of the tube can cause mechanical trauma to the delicate tissues of the throat, larynx, and vocal cords.
Tube Size: A tube that is too large or an improper fit can increase the likelihood of throat irritation. Studies show that smaller tubes may be associated with a lower incidence of POST.
Cuff Pressure: The cuff at the end of the tube, which is inflated to create a seal, can put pressure on the trachea and lead to pain. Maintaining optimal cuff pressure is a known strategy to minimize irritation.
Duration of Surgery: The longer the tube remains in place, the greater the chance of causing irritation and subsequent soreness.

Factors Related to Dehydration and Dryness

Pre-surgery fasting and fluid restrictions can leave you dehydrated before the procedure even begins. During and after surgery, further fluid limitations and medication can compound this effect, leading to a dry and scratchy throat. Some common causes of dehydration and dryness include:

Fasting: Not being able to eat or drink before surgery can lead to a dry mouth and throat.
Medication: Certain anesthetic drugs and pain medications can have a drying effect on mucous membranes.
Un-humidified Gases: The anesthetic gases used during the procedure are often dry, which can further contribute to throat dryness.

Other Contributing Factors

Beyond intubation and dehydration, several other factors can influence the development and severity of a sore throat after surgery:

Gender: Some research suggests that female patients may be more prone to experiencing POST, possibly due to anatomical differences in the larynx or differences in reporting symptoms.
Patient Positioning: The position you are in during the surgery can also affect the soft tissues of the throat and neck.
Aggressive Suctioning: Aggressive suctioning of the oropharynx to clear secretions can also cause irritation to the throat and larynx.
Nasogastric Tube: If a nasogastric tube was used during your procedure, this can also be a source of discomfort and irritation in the throat.

How to Find Relief for a Sore Throat After Surgery

Most postoperative sore throats are mild and resolve on their own within a few days. However, you can take steps to manage the discomfort and speed up your recovery.

Hydration is Key: Drinking plenty of fluids can help keep your throat moist and soothe irritation. Avoid irritating liquids like alcohol and citrus juices. Opt for water, herbal tea, or broth.
Soothe with Cold Treats: Eating cold foods like popsicles, ice cream, or sucking on ice chips can provide temporary relief from the pain and inflammation.
Gargle with Saltwater: A simple and effective remedy, gargling with warm salt water can help reduce swelling and soothe a sore throat. Aim for a mix of 1/2 teaspoon of salt in a glass of warm water.
Suck on Lozenges: Over-the-counter throat lozenges can help keep your throat moist and some contain numbing agents like menthol for added relief. Be sure to follow your doctor's instructions, especially regarding when you can safely have solid food or hard candies.
Use a Humidifier: Running a humidifier in your room, especially at night, can help moisten the air and prevent your throat from drying out, which can be particularly helpful if you are a mouth breather.
Limit Talking: Giving your voice a rest can help reduce the strain on your vocal cords, which may have been irritated by the breathing tube.

Potential Complications and When to See a Doctor

While a sore throat is common, some symptoms warrant a call to your healthcare provider. While rare, more serious issues can arise, and it's always best to err on the side of caution.


Symptom	Severity	What it might indicate
Mild Soreness	Expected	Normal irritation from intubation; should improve within a week.
Moderate Soreness	Expected to Mild Concern	Manageable with at-home care, but monitor for worsening symptoms.
Severe Pain	High Concern	Could indicate a more significant injury to the throat tissue or vocal cords.
Hoarseness	Expected to Mild Concern	Common after intubation; should improve quickly. Persistent hoarseness is a concern.
Dysphagia (Difficulty Swallowing)	Moderate to High Concern	Can be caused by swelling or injury; warrants medical evaluation.
Fever or Chills	High Concern	Potential sign of an infection, unrelated to the initial irritation.
Inability to Speak	High Concern	Could be a rare sign of vocal cord damage or persistent swelling; contact your doctor immediately.

It is vital to contact your surgeon or healthcare provider if your symptoms persist for more than a week, worsen significantly, or are accompanied by other signs of infection like a fever or chills. For more detailed information on anesthetic procedures and risks, consult an authoritative medical source like the American Society of Anesthesiologists.

Conclusion: Understanding Postoperative Sore Throat

In conclusion, having a sore throat after surgery is a very common experience for many patients, especially those who undergo general anesthesia with intubation. While unpleasant, it is typically a minor and temporary side effect of the procedure and can be managed effectively at home. By understanding the causes, such as mechanical irritation from the breathing tube and dehydration, you can take proactive steps to soothe your throat and aid your recovery. Monitoring your symptoms and knowing when to seek professional medical advice are important aspects of your post-operative care, ensuring a smooth and comfortable return to your daily life. Always follow the specific aftercare instructions provided by your medical team.

Frequently Asked Questions

A sore throat after surgery is typically temporary. For most patients, it lasts for a few days, often clearing up entirely within a week. If symptoms persist longer or worsen, contact your doctor.

Postoperative sore throat, or POST, is the medical term for the throat irritation and discomfort experienced after a surgical procedure, most commonly linked to the use of a breathing tube during general anesthesia.

If you had general anesthesia, a breathing tube was likely inserted into your windpipe. This can irritate the tissues in your throat and vocal cords. Dehydration from pre-surgery fasting and dry anesthetic gases can also contribute to the soreness.

Yes, many over-the-counter throat lozenges are safe and effective for providing relief. Sucking on them helps keep the throat moist and can soothe irritation. Always check with your doctor to ensure they are appropriate for your specific recovery plan.

Yes, studies have shown a correlation between the size of the endotracheal tube and the incidence or severity of a sore throat. A larger or poorly-fitting tube may increase irritation and discomfort.

If your sore throat lasts for more than a week, becomes more severe, or is accompanied by other symptoms like fever or difficulty swallowing, you should contact your surgeon. They can evaluate for any potential complications or underlying issues.

No, a sore throat is not a universal outcome of all surgeries. It is primarily associated with procedures that require general anesthesia involving an endotracheal tube or other airway management devices. Local or regional anesthesia typically does not cause this side effect.