Yes, you can get a sinus infection (sinusitis) without a cold, though colds are a very common trigger; other causes include allergies, fungal infections, nasal polyps, structural issues, or even dental infections, leading to inflammation and blocked sinus drainage, causing pain, pressure, and thick mucus, sometimes without typical cold symptoms.
People who are sensitive to dust, smog, smoke, strong odors and chemicals may experience nonallergic sinusitis. Temperature changes, along with changes in humidity and stress may also be triggers. Other causes may include: Infections - Viral infections, such as a cold or flu, may trigger nonallergic sinusitis.
Dry sinuses develop when the mucous membranes in your nose and sinus cavities don't contain enough moisture. If the walls of the nasal and sinus passages lack moisture, uncomfortable symptoms can manifest such as pain and swelling, nosebleeds, and even sinus infections.
ANSWER: Allergies and sinus infections often are mistaken for one another. But they are two separate conditions. By paying close attention to the specific symptoms you have, you can usually identify which one is more likely to be causing the problem.
Sinus infections can cause various symptoms, one of which is ear pain. Pain may be due to blocked Eustachian tubes or a secondary ear infection. Most cases resolve with home treatment, but if you have ongoing or severe pain, see a provider for proper care.
Sinusitis red flags signal a severe infection needing urgent care, including severe eye symptoms (swelling, redness, vision changes like double vision), high fever, stiff neck, confusion, severe facial swelling/numbness, or neurological changes (difficulty walking/talking), indicating potential spread to the eyes or brain. For less severe cases, seek care if symptoms last over 10 days, worsen after improving ("double sickening"), or include severe facial pain/toothache, suggesting bacterial sinusitis.
How else can I get rid of a sinus infection naturally?
The main symptoms of sinusitis include:
To treat a sinus infection while pregnant, focus on safe home remedies like saline nasal rinses, steam inhalation, warm compresses, and staying hydrated, while using acetaminophen for pain and resting; always consult your doctor before taking any medication, especially avoiding NSAIDs (like ibuprofen) and oral decongestants, as some treatments are unsafe during pregnancy.
Upper respiratory viral infections and allergy symptoms can mimic sinusitis; however, there are some distinguishing characteristics. Usually we do not diagnose a sinus infection unless symptoms have been present for at least ten days.
Sinusitis fatigue can lead to a feeling of deep-seated, persistent weariness or exhaustion that goes beyond regular tiredness. Your body may feel exhausted, with a sluggishness that makes it difficult to perform even simple, routine activities.
Yes, fresh air can be beneficial for sinus infections as it helps reduce indoor allergens and improve overall air quality. Ventilating your home by opening windows can decrease the concentration of dust and other irritants that may worsen sinus congestion.
Warning signs you should never ignore
Sinus infections and COVID-19 can both cause congestion and sore throats, but COVID-19 often presents with additional symptoms like body aches and loss of smell. Understanding the key differences between COVID and a sinus infection can help with getting an accurate diagnosis and the right treatment.
Sweeney, MD on October 28, 2025. add. Contributing Editors: add. Silent sinus syndrome is a disease characterized by enophthalmos and/or hypoglobus secondary to the collapse of the orbital floor in the presence of asymptomatic chronic maxillary sinusitis.
The four main symptoms of sinusitis are nasal congestion/blockage, facial pain/pressure, thick, discolored mucus (yellow/green), and a reduced sense of smell or taste, often accompanied by a cough, postnasal drip, and fatigue, making it hard to breathe and causing discomfort around the eyes, cheeks, and forehead.
See a healthcare provider if you have: Severe symptoms, such as severe headache or facial pain. Symptoms that get worse after improving. Symptoms lasting more than 10 days without getting better.
Hydration. It's critical that you stay hydrated, especially if you're congested. Dehydration can make sinus pressure worse. Drink plenty of water to ease your symptoms faster.
Untreated chronic sinusitis can lead to long-term effects such as nasal congestion, thick nasal discharge, facial pressure, and a reduced sense of smell. These ongoing symptoms can be quite debilitating, impacting daily life, sleep quality, and overall well-being.
A primary care doctor will assess the severity of your sinus infection, make a diagnosis, and help you get effective sinusitis treatment. Your primary care doctor can also: Discuss at-home treatments to address symptoms and make you more comfortable. Prescribe appropriate antibiotics if you have a bacterial infection.
Acute sinusitis can make it hard to breathe through the nose. The area around the eyes and the face might feel swollen. There might be throbbing face pain or a headache.
However, if you have some or all of the following symptoms, it is very likely you have a sinus infection:
Other predisposing factors are deviated septum, nasal polyps, cystic fibrosis, dental infections, reflux disease, autoimmune disease, and facial trauma. Notably, primary immunodeficiency is also a factor in developing sinusitis. IgG deficiency, IgA deficiency, and antibody deficiency can all present with sinusitis.
The first and most important beverage to clear congestion is water. Drinking plenty of water can help thin mucus and ease congestion. Aim for at least eight cups of water a day. If you struggle to drink enough water, try swapping a couple of cups for coconut water or other natural fruit juices.
A sinus infection can happen after a cold. The cold inflames the nasal passages. This can block the opening of the sinuses and lead to infection. Allergies can also cause the nasal tissue to swell and make more mucus and cause sinusitis.