Pregnancy rhinitis is not contagious. It is not caused by a virus, bacteria, or any other infectious agent, so there is no way to “catch” it from someone else or pass it along. The stuffy nose, congestion, and extra mucus that characterize pregnancy rhinitis are entirely driven by hormonal changes inside the body during pregnancy.
What Causes Pregnancy Rhinitis
The lining of your nose contains receptors that detect hormones, particularly estrogen. During pregnancy, estrogen levels rise significantly, and in some people these receptors respond by widening blood vessels inside the nasal passages and triggering extra mucus production. The result is a stuffy, congested nose that can feel exactly like the start of a cold, even though no infection is present.
Increased blood volume during pregnancy also plays a role. Your body produces roughly 50% more blood by the third trimester, and all those extra fluids can cause the delicate tissues inside the nose to swell. This combination of hormonal signaling and increased blood flow is what makes pregnancy rhinitis so persistent compared to a typical cold, which clears up in a week or two.
Prevalence estimates range between 9% and 39% of pregnant people, depending on how the condition is defined and measured. It can appear at any point during pregnancy, though many people notice it worsening in the second and third trimesters as hormone levels peak.
How to Tell It Apart From a Cold
Because the main symptom is nasal congestion, it’s natural to wonder whether you’re actually sick. A few key differences help separate pregnancy rhinitis from a viral infection:
- No fever. Pregnancy rhinitis does not cause a temperature spike. If you have a fever alongside congestion, an infection is more likely.
- No sore throat or body aches. Colds and flu typically come with additional symptoms beyond the nose. Pregnancy rhinitis stays localized to nasal stuffiness and sometimes sneezing.
- Clear, thin mucus. Thick, yellow, or green discharge suggests your immune system is fighting an infection. Pregnancy rhinitis produces clear, watery mucus.
- Duration. A cold improves within 7 to 10 days. Pregnancy rhinitis can last for weeks or even months, often persisting until after delivery.
If your congestion is accompanied by facial pain, pressure around the eyes, or discolored mucus that lasts more than 10 days, a sinus infection is a possibility worth investigating separately.
How It Affects Sleep and Daily Life
Pregnancy rhinitis may sound minor, but chronic nasal congestion during pregnancy can meaningfully disrupt sleep. Lying down increases pressure on already swollen nasal passages, making nighttime breathing harder. This can lead to mouth breathing, snoring, and fragmented sleep at a time when rest is already difficult to come by.
In some cases, the narrowed airway contributes to or worsens obstructive sleep apnea during pregnancy. UT Southwestern Medical Center notes that the increased blood volume that causes pregnancy rhinitis and nosebleeds also puts more strain on the airway at night. Poor sleep quality during pregnancy has been linked to fatigue, mood changes, and difficulty concentrating, so managing congestion is worth the effort even though the condition itself is harmless.
Managing Symptoms Safely
Because pregnancy rhinitis is hormonal, it won’t respond to cold medications the way an infection might. Many common decongestants are also not recommended during pregnancy. Fortunately, several simple strategies can help:
- Saline nasal spray or rinse. Flushing the nasal passages with salt water loosens mucus and reduces swelling without any medication. A neti pot or squeeze bottle works well for this.
- Elevating your head at night. Sleeping with an extra pillow or raising the head of your bed helps gravity drain fluid away from swollen nasal tissues.
- Adhesive nasal strips. These physically open the nasal passages from the outside and can make a noticeable difference for nighttime breathing.
- Humidifier. Dry air irritates already inflamed nasal tissue. Keeping bedroom humidity around 40% to 50% can ease congestion.
- Staying hydrated. Drinking plenty of water thins mucus and helps it drain more easily.
If these measures aren’t enough, some prescription nasal sprays that reduce inflammation are considered safe during pregnancy. Your provider can help weigh the options based on how severe your symptoms are and how far along you are.
When It Goes Away
Pregnancy rhinitis typically resolves within two weeks of delivery as hormone levels drop back toward their pre-pregnancy baseline. For most people, the congestion starts improving within days of giving birth. If stuffiness continues well beyond two weeks postpartum, something else, like allergies or a chronic sinus issue, may be contributing and is worth looking into separately.