6 Unexpected Causes of Nasal Congestion You Might Not Know

Woman
BB.LV
Publiation data: 25.03.2026 08:03
6 Unexpected Causes of Nasal Congestion You Might Not Know

Nasal congestion is one of the most common problems. It is usually associated with colds, allergies, or sinusitis. However, sometimes nasal congestion occurs for much less obvious reasons.

Let's explore what factors can provoke this unpleasant issue.

Alcohol

Few people associate nasal congestion with alcohol consumption, but this reaction is not uncommon. Some individuals experience upper respiratory symptoms, including nasal congestion, after a glass of wine or another drink.

This is more often observed in people with allergies or asthma. The reason, as scientists suggest, is not the alcohol itself, but the accompanying substances — for example, sulfites. Individual intolerance to alcohol is also possible.

Hormonal Changes

Nasal congestion can be related to hormonal fluctuations. This is most commonly encountered by women.

Nasal congestion may occur:

  • during pregnancy,

  • when taking hormonal contraceptives,

  • at different phases of the menstrual cycle.

Sometimes, thyroid dysfunction can also be the cause.

Spicy and Hot Food

If nasal congestion occurs after eating spicy food, it's not a coincidence. This condition is called gustatory rhinitis.

It develops quickly and is characterized by abundant nasal discharge, but without other cold symptoms. It is believed that the cause is irritation of the nerve endings in the mucous membrane.

Medications

Some medications can cause nasal congestion as a side effect.

These include:

  • blood pressure medications,

  • some cardiovascular drugs,

  • anti-inflammatory medications.

It is worth mentioning decongestant nasal drops: with prolonged use, they can have the opposite effect and worsen congestion.

Smoking

Smoking affects not only the lungs but also the condition of the nasal mucosa.

Smokers have a significantly higher risk of chronic nasal congestion. The longer the smoking history, the greater the likelihood of inflammation and irritation of the mucosa.

Heartburn (Reflux)

Gastroesophageal reflux disease can unexpectedly manifest not only in the stomach but also in the respiratory tract.

When the esophagus is irritated, a reflex reaction is triggered — leading to increased mucus production in the nose. As a result, a feeling of congestion appears.

Nasal congestion is not always a sign of a cold. Sometimes its causes can be quite non-obvious: from diet to hormones and even medications.

If nasal congestion occurs regularly without an apparent reason, it is worth paying attention to lifestyle and consulting a specialist if necessary.

ALSO IN CATEGORY

READ ALSO