Nasal Irrigation: Safety Tips and When to Seek Help - Otolaryngology

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Could you please clarify your question regarding nasal irrigation?


Hello, doctor.
I have a problem with post-nasal drip and have seen an otolaryngologist.
The doctor suggested that I use a nasal irrigator.
As a beginner with the nasal irrigator, I initially used it without saline, and it felt very irritating, almost like I was drowning.
Just now, I accidentally set the water temperature too high (I used cold tap water mixed with warm water for nasal irrigation), and when the water went in, it felt too hot and caused a burning sensation in my nose.
I quickly stopped and adjusted the temperature lower, and then I didn't feel any discomfort.
I found online that using water that is too hot can damage the nasal mucosa, which made me very anxious.
Could you please tell me what symptoms after nasal irrigation would require a follow-up visit? If I used water that was relatively hot (I estimate it was over 40 degrees Celsius, but it was only for a moment, and now my nose feels fine, just a bit hot and irritated during the process), could it cause any permanent damage? I'm really worried.
Should I pause nasal irrigation for a few days? Thank you, doctor.

Lele, 30~39 year old female. Ask Date: 2017/07/27

Dr. Zheng Jueyi reply Otolaryngology


Hello: If there are no uncomfortable symptoms in the nose, it generally will not cause permanent damage.
It is recommended to observe for 3 days, and if there are no significant discomforts, you may continue to rinse your nose using the correct method.
Wishing you safety and health.
Sincerely, Dr.
Cheng Jue-Yi, Director of the Department of Otolaryngology, Taoyuan General Hospital, Ministry of Health and Welfare.

Reply Date: 2017/07/27

More Info


Nasal irrigation is a common practice used to alleviate symptoms associated with nasal congestion, sinusitis, and post-nasal drip. It involves flushing out the nasal passages with a saline solution, which can help clear mucus, allergens, and irritants. However, as with any medical procedure, there are safety considerations and guidelines to follow to ensure effective and safe use.

Firstly, it’s essential to use the correct saline solution for nasal irrigation. Over-the-counter saline packets are widely available and are specifically formulated for this purpose. Using plain water without saline can lead to irritation and discomfort, as you experienced. Saline helps to maintain the osmotic balance in the nasal passages, reducing the risk of irritation and promoting healing.

Regarding the temperature of the water used for nasal irrigation, it is crucial to use lukewarm water. Water that is too hot can indeed damage the delicate nasal mucosa, leading to burns or irritation. Ideally, the water temperature should be similar to body temperature, around 98.6°F (37°C). If you accidentally used water that was too hot, it’s good to hear that you did not experience any lasting discomfort afterward. However, if you notice any unusual symptoms such as persistent pain, bleeding, or increased nasal congestion after using hot water, it would be wise to consult a healthcare professional.

In terms of when to seek medical help after nasal irrigation, you should consider the following symptoms as indicators that you may need to return to your doctor:
1. Persistent Pain or Discomfort: If you experience ongoing pain in your nasal passages or sinuses that does not improve, it’s essential to seek medical advice.

2. Nosebleeds: While occasional minor bleeding can occur, frequent or heavy nosebleeds after irrigation may indicate irritation or damage to the nasal mucosa.

3. Increased Congestion or Discomfort: If you notice that your symptoms worsen after nasal irrigation, it may be a sign that the technique is not suitable for you, or that you may have an underlying condition that needs to be addressed.

4. Fever or Signs of Infection: If you develop a fever, facial swelling, or worsening symptoms, it could indicate a sinus infection that requires medical attention.

5. Allergic Reactions: If you experience any signs of an allergic reaction, such as rash, itching, or swelling, after using a saline solution, discontinue use and consult a healthcare provider.

As for whether you should pause nasal irrigation after using water that felt too hot, if you are currently feeling well and have no discomfort, it may not be necessary to stop entirely. However, it would be prudent to give your nasal passages a break for a day or two to ensure they are not irritated. When you resume, make sure to use lukewarm saline solution and follow the recommended guidelines for nasal irrigation.

In summary, nasal irrigation can be a beneficial practice for managing nasal symptoms, but it is essential to use the correct saline solution at the appropriate temperature. If you experience any concerning symptoms, do not hesitate to reach out to your healthcare provider for further evaluation and guidance.

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