If you don't see a doctor for a sinus infection, it might resolve on its own, but it risks becoming chronic sinusitis, leading to ongoing symptoms like congestion, facial pain, and reduced smell, or even spreading to nearby areas like your eyes (causing vision issues) or brain (leading to meningitis or brain abscess), which are rare but serious complications, notes the Mayo Clinic Health System, {Link: Kaplan Sinus Relief, Silenso Clinic, Cleveland Clinic, and New York ENT.
Although extremely rare, a sinus infection that is left untreated can lead to a serious complication called meningitis. It is an infection of the protective membranes surrounding the brain and spinal cord. Symptoms to watch out for include a stiff neck accompanied by a severe headache and fever.
Yes, a sinus infection (sinusitis) can absolutely cause nausea, primarily through post-nasal drip irritating the stomach and from the intense pressure and inflammation leading to headaches and dizziness, which in turn trigger queasiness. This happens when excess mucus drains down the throat, upsetting the stomach lining, and sinus pressure affects balance, leading to nausea or even vomiting.
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.
Clogged, inflamed sinuses can block the drainage of the eustachian tube from your ear into your throat. If fluids can't drain from your tubes into your throat, they may build up in your middle ear. The excess fluid causes pressure and also can become infected.
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.
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.
How else can I get rid of a sinus infection naturally?
For adults — See a healthcare professional if:
You have symptoms for more than 10 days. You have a high fever. What's coming from your nose is yellow or green. You also have sinus pain or fever.
Elevate your head and shoulders
Elevating your head and shoulders helps gravity do its job again. When you're upright, the small drainage openings in your sinuses (sinus ostia) sit at the bottom of your sinus cavities, making it easier for mucus to flow out.
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.
You may need antibiotics if your symptoms last more than 10 days without improving, if they get worse after getting better, or if they start out severe like high fever and facial pain. Your doctor can help you decide. Can you be hospitalized for a sinus infection? Yes, but it's rare.
Interestingly, studies have also identified a connection between the gut and sinonasal microbiomes through shared immune pathways and signaling molecules (3, 4). This means that disturbances in gut bacteria can influence inflammation levels in the sinuses and vice versa, emphasizing the importance of holistic care.
See a GP if:
You, or a child, have sinusitis symptoms and: you do not get better after 7 days of treatment from a pharmacy or GP. you do not get better after 3 weeks of treating symptoms yourself. you keep getting sinusitis.
Symptoms of encephalitis vary depending on the affected area of the brain, but often include headache, sensitivity to light, stiff neck, mental confusion and seizures.
It's not common. But a serious sinus infection can spread to the membranes and fluid around the brain and spinal cord. The infection is called meningitis. Other serious infections can spread to the bones, called osteomyelitis, or to skin, called cellulitis.
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.
Immunotherapy (allergy shots) may be prescribed if inhalant allergies cause your sinusitis. If your ENT determines a nasal obstruction causes your sinusitis, they may recommend sinus surgery to remove the blockage.
Symptoms that get worse after improving. Symptoms lasting more than 10 days without getting better. Fever longer than 3-4 days. Multiple sinus infections in the past year.
Warning signs you should never ignore
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.
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.
Two common culprits associated with nasal congestion are allergic rhinitis and sinusitis. Both conditions have symptoms that are similar in the early stages, and medical professionals occasionally struggle to make a proper diagnosis. Over time, differences between the two usually emerge.
Yellow mucus usually means your body is fighting something. The yellow tint comes from white blood cells, which rush to attack invaders like viruses or bacteria. That said, yellow mucus doesn't always mean you have an infection. Sometimes it is just your body's reaction to inflammation, such as from allergies.
Diagnosis