What causes nasal congestion during pregnancy?

What causes nasal congestion during pregnancy
Author mehdisabet
Reading time 4 min
Published at 12 April 2026

If you are pregnant and eagerly awaiting the arrival of your little one, you might be dealing with persistent nasal congestion that just won’t seem to clear up. This condition is professionally known as pregnancy rhinitis. While its exact cause remains somewhat of a mystery, it is widely believed to be triggered by hormonal shifts. Interestingly, having a history of asthma or allergies does not increase your risk of developing pregnancy rhinitis. In this article, we will explore the causes of nasal congestion during pregnancy and outline effective ways to manage and treat it. If you are currently navigating your pregnancy and looking for relief from this nagging congestion, read on to learn more.

Pregnancy Rhinitis as a Cause of Nasal Congestion During Pregnancy

Pregnancy rhinitis is the inflammation of the mucous membranes lining the nose, which leads to nasal congestion. Increased blood flow to the nasal passages and the enlargement of nasal veins also contribute to this condition. Pregnancy rhinitis is typically accompanied by nasal stuffiness and a runny nose. These symptoms occur during pregnancy and may persist for several weeks. In addition to causing discomfort, it can also disrupt your sleep, as nasal congestion often becomes worse when you lie down to rest.

Symptoms of Nasal Congestion During Pregnancy

The symptoms of nasal congestion during pregnancy may include:

  • Nasal congestion that often makes breathing and sleeping at night difficult
  • Runny nose
  • Sneezing
  • Sinus infections
  • Ear infections

Causes of Nasal Congestion During Pregnancy

Is your nasal congestion caused by pregnancy rhinitis, or is there another issue? If congestion and possibly a runny nose are your only symptoms, you most likely have pregnancy rhinitis. Other symptoms may point to a different condition, such as:

  • Allergic rhinitis: If allergies are causing your nasal congestion during pregnancy, you will almost always experience sneezing and/or itching in the eyes, nose, or throat.
  • Cold or flu: If you have nasal congestion along with sneezing, coughing, sore throat, headache, muscle aches, body aches, or fever, you are likely dealing with a cold or the flu. In this case, it’s best to see your OB-GYN.
  • Sinusitis: Viral or bacterial infections that cause nasal congestion can lead to sinusitis (a sinus infection). With sinusitis, you typically experience additional symptoms beyond congestion, including fever, headache, body aches, facial pressure (which may worsen when bending forward), upper jaw pain, or reduced sense of smell.
  • COVID-19: Although COVID-19 can cause nasal congestion during pregnancy, it is often accompanied by fever, cough, and fatigue.

Of course, it is not always possible to determine exactly what is causing your congestion during pregnancy, and there may be more than one reason. For example, you might have both allergies and pregnancy rhinitis. This is why, if your nasal congestion comes with additional symptoms or becomes bothersome, it is best to consult your pregnancy care provider.

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When Does Nasal Congestion Start During Pregnancy?

While nasal congestion can occur at any point during pregnancy, it is more common in early pregnancy. Symptoms often begin in the first trimester and may last for at least six weeks or even continue until the end of pregnancy. As for how long pregnancy-related nasal congestion lasts, the good news is that these symptoms usually disappear within about two weeks after your baby is born.

Treatment for Nasal Congestion During Pregnancy

If your nasal congestion is severe and disrupts your sleep, you can talk to your doctor about using one or more of the following medications. These options may help relieve your congestion symptoms:

Nasal Corticosteroid Sprays in Pregnancy

Inhaled nasal corticosteroids are often used to manage asthma during pregnancy. In some cases, they can also help control symptoms of nasal congestion caused by pregnancy.

The best option is Rhinocort (budesonide), as studies show that its use during pregnancy is generally considered safe.

Nasal Decongestant Drops During Pregnancy

Most nasal decongestant medications are not recommended for treating congestion during the first week of pregnancy. Decongestant sprays—such as Afrin (oxymetazoline)—can provide quick, temporary relief and are sometimes used as a short-term solution for pregnancy congestion. However, they should be avoided during the first trimester because their safety is not well established, and they must only be used under a doctor’s supervision.

In some cases, using nasal decongestants to treat pregnancy rhinitis may actually worsen symptoms, especially if they are used for too long. Using these sprays for more than three consecutive days can lead to rebound congestion.

To protect your baby from potential risks, avoid starting any new medication—whether prescription, over‑the‑counter, herbal supplements, homeopathic products, or dietary supplements—without consulting your doctor first.

Home Remedies for Nasal Congestion During Pregnancy

You can try several home remedies to relieve pregnancy-related nasal congestion, including:

Using Eucalyptus Oil

Eucalyptus oil may help reduce nasal inflammation and make breathing easier. To use it, place a small amount of eucalyptus oil on a tissue and hold it near your nose. Inhaling the scent can ease breathing and help you sleep better. You can also add a few drops of eucalyptus oil to a bowl of hot water and inhale the steam.

Warm Compress

A warm compress can help loosen nasal mucus and open the airways. You can use a warm water bag or soak a towel in warm water, fold it, and place it over your nose or forehead. The heat helps reduce inflammation and discomfort. This can be done two to three times a day for as long as needed.

Taking a Warm Shower

Many people notice that a warm shower eases congestion during a cold. Similarly, steam from a warm shower can reduce nasal inflammation and temporarily relieve congestion during pregnancy.

Steam inhalation works in a similar way. Fill a pot with water and bring it to a boil. Remove it from heat and allow it to stop bubbling, but not cool down completely. Place a towel over your head and lean over the warm water. Inhale the steam to help clear mucus and relieve congestion.

Changing Your Sleeping Position

To manage nighttime congestion during the later stages of pregnancy, try sleeping with one or two extra pillows to elevate your head. This position can significantly reduce nasal congestion.

Vitamin C

Vitamin C may help reduce a runny or congested nose and lower the chance of nosebleeds during pregnancy. You can take vitamin C supplements or eat vitamin C–rich foods such as tomatoes, oranges, kiwi, bell peppers, and more.

However, always consult your obstetrician before taking any supplements.

Staying Hydrated

Proper hydration can help reduce pregnancy rhinitis. Drinking plenty of water thins the mucus in your sinuses, helping them drain more effectively. Once mucus drains, breathing and sleeping become easier.

In addition to water, you should drink other fluids as well, as they increase blood volume and improve blood flow to your baby, supporting healthy growth. Options include lemon water, herbal teas, sparkling mineral water, and organic fruit juices.

Steam Inhalation

As mentioned earlier, steam inhalation can help relieve nasal congestion by clearing the mucus that is causing the blockage.

Ginger

Ginger is another helpful home remedy. It has anti-inflammatory properties that reduce nasal swelling and help drain mucus from the sinuses. Simply add one teaspoon of ginger to a cup of warm water or tea and drink it. Ginger strengthens the immune system and can ease congestion.

Apple Cider Vinegar

Apple cider vinegar may also help relieve pregnancy rhinitis. It acts as a natural anticoagulant and can reduce nasal congestion.

Vicks VapoRub

Vicks works similarly to eucalyptus oil and can help relieve nasal congestion. To use it, place a small amount near your nose and inhale the vapors.

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When Should You See a Doctor?

Pregnancy rhinitis can potentially cause harmful side effects for both the mother and the baby. To answer the question of whether nasal congestion during pregnancy is dangerous, it’s important to note that this condition can lead to sleep disturbances, which may affect the baby’s ability to receive the oxygen needed for proper growth.

If you struggle with pregnancy rhinitis and frequent nighttime awakenings, it is best to see your obstetrician and an ENT specialist. This allows your doctor to ensure that your nasal congestion is not a sign of a more serious issue, such as sinusitis.

Final Thoughts

Pregnancy-related nasal congestion may be uncomfortable, frustrating, and even disruptive to your sleep, but in most cases, it is a temporary and manageable part of the journey toward motherhood. Understanding the causes of pregnancy rhinitis—and how it differs from allergies, sinus infections, or colds—can help you make better decisions about your health and choose the safest and most effective remedies.

Simple home treatments such as steam inhalation, warm showers, staying hydrated, adjusting your sleeping position, and using natural options like eucalyptus or ginger can provide meaningful relief. In more persistent cases, your doctor may recommend pregnancy‑safe nasal sprays to help you breathe more comfortably.

Remember, while congestion is usually harmless, you should always pay attention to additional symptoms. If your nasal congestion is severe, affects your sleep, or is accompanied by fever, facial pain, ear infections, or other concerning signs, seeking medical evaluation is the best way to ensure both your health and your baby’s well‑being.

With the right care and strategies, most mothers find that pregnancy congestion gradually eases—and typically resolves shortly after giving birth. Until then, gentle self‑care and guidance from your healthcare provider can make this phase much easier to navigate.

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