Sinusitis: Overview
By ncbi.nlm.nih.gov
Sinusitis is an inflammation of the paranasal sinuses. The full medical term for sinusitis is "rhinosinusitis" ("rhino-" meaning "nose"), because it affects the mucous membranes lining both the nose and the sinuses.
The paranasal sinuses are part of the upper airways, and are connected to the nasal cavity. They are made up of several cavities in the skull found from the forehead down to the teeth of the upper jaw. Depending on where they are, these cavities are known as the frontal sinuses, the sphenoid sinus, the ethmoid cells and the maxillary sinuses. The paranasal sinuses are lined with mucous membranes that have tiny hairs (ciliated epithelium). These mucous membranes produce a secretion that runs down through the nose and throat.
Sinusitis can be acute or chronic: The acute form may appear several times a year, but it always goes away within several weeks at the latest. Chronic sinusitis means that the mucous membranes in the nose are inflamed for a longer period of time. Sinusitis is commonly considered to be chronic if symptoms continue for more than three months.
Symptoms
Sinusitis often has the following typical symptoms:
Stuffed-up nose
Coughing
Fever
Pain
Swelling
A build-up of pus
If you have sinusitis, your nose will become stuffed-up due to the swelling and build-up of secretions. This makes it more difficult to breathe through the nose, which feels stuffy. A yellowish or greenish colored discharge is a sign of the presence of germs.
Sinusitis often causes pain in the forehead, the jaw and around the eyes and – less commonly – toothache. The pain usually gets worse if you lean forward, for example when getting up out of bed. Your sense of of smell is often affected, and you may lose it completely. Many people also feel pressure in their face.
Causes
Acute sinusitis is often brought on by a cold or the flu. Colds are usually caused by respiratory viruses, and only rarely by bacteria. A bacterial attack, however, may occur in addition to a viral infection.
Viruses or bacteria trigger an inflammation, which causes the mucous membranes to swell up. This may keep fluid from draining from the sinuses. If that happens, the fluid becomes thicker and the sinuses fill up with thick, often yellow-green mucus. Allergies, nasal polyps, a deviated nasal septum (where the wall between the two nostrils is bent to one side) or a weakened immune system can all make sinusitis more likely.
Often it is not known what exactly has caused chronic sinusitis. Sometimes it develops from acute sinusitis that has not cleared up properly. But there are other factors that can make chronic sinusitis more likely or make it worse:
Immune system disorders, for example hay fever or other allergies
Deviated nasal septum (where the wall between the two nostrils is bent to one side) or other abnormalities in or near the nose
Intolerance of acetylsalicylic acid (the drug used in "Aspirin")
Enlarged polyps constrict the nasal cavities, preventing proper ventilation. This makes it easier for germs to grow. Environmental factors like chemicals or cigarette smoke are also thought to play a role.
Effects
If acute sinusitis is not completely cured, it can become chronic. One effect of chronic sinusitis can be mucous membrane growths called nasal polyps. They make it more difficult to breathe through your nose and can impair your sense of smell.
In very rare cases sinusitis can lead to complications, with the inflammation spreading to nearby parts of the body like the eyes or brain. Signs of this more serious form of sinusitis include high fever, swelling around the eyes, inflamed and reddened skin, severe facial pain, sensitivity to light and a stiff neck. If you have these symptoms, it is important to seek medical assistance immediately.
Diagnosis
Your doctor will first ask about symptoms such as pain, fever, coughing, coughed-up phlegm and loss of smell, and about your general wellbeing and then perform a series of examinations. A tube-like device with a small lamp on it (endoscope) can be used to take a closer look at the inside of your nose and see whether the membranes are swollen and what color the secretions are. In rare cases the secretions are sampled using a probe and examined for germs in a lab. The sample is taken by inserting a probe into the nose. Computed tomography (CT) or ultrasound can be used if a sample is not enough to provide a clear diagnosis or if there are signs of complications.
Finding out whether sinusitis is caused by bacteria or viruses can be quite involved. Often it will not make any difference, because knowing will not influence your symptoms or decisions about treatment. Acute sinusitis usually clears up within one or two weeks.
An allergy test can help in case of chronic sinusitis: Allergies are commonly associated with chronic sinusitis.
Treatment
Steroidal or decongestant nasal sprays may relieve discomfort in patients with sinusitis. Nasal irrigation or inhalation may also help, and antibiotics may be an option in some cases.
In case of chronic inflammation, one common treatment is surgery to expand narrowed paranasal sinus passageways. This is an option if steroid sprays and other treatments do not provide enough relief.
Source: https://www.ncbi.nlm.nih.gov/pubmedhealth/PMH0072669/
Saturday, May 9, 2026
Etodolac (etodolac): Uses, How It Works, And What To Expect
Etodolac is a medication used in the treatment of conditions falling under pain relief medications. Its active pharmaceutical ingredient is etodolac, which has been studied in clinical settings and has an established record of use in appropriate patient populations. Understanding what this medication does, how it is taken, and what results are realistic helps patients make informed decisions alongside their healthcare providers. Non-steroidal anti-inflammatory drugs, commonly called NSAIDs, represent one of the most widely used classes of pain-relief medications. They work by inhibiting cyclooxygenase enzymes, particularly COX-1 and COX-2, which are responsible for producing prostaglandins, the chemical mediators that sensitize pain receptors and drive inflammation. By reducing prostaglandin production, NSAIDs simultaneously relieve pain, reduce inflammation, and lower fever. They are effective for a wide range of painful conditions including musculoskeletal injuries, arthritis, menstrual pain, and dental pain. The therapeutic action of etodolac is tailored to the biological mechanisms underlying the conditions it is used to treat. By targeting specific receptors, enzymes, or pathways, it produces changes that reduce symptoms and in some cases modify the course of disease. Detailed clinical information about Etodolac can be found at https://mednewwsstoday.com/pain-relief/etodolac/, which outlines indications, dosing guidelines, and important safety information. Most patients tolerate Etodolac well, though like any medication it can cause side effects in some individuals. Common side effects are typically mild and may resolve once the body adjusts to the medication. Serious adverse effects are less common but should be reported to a healthcare provider promptly. Patients with specific health conditions or those taking multiple medications should review potential interactions before starting Etodolac. Resources covering the full range of therapies available for pain relief medications are available at pain relief medications. Comparing medications in terms of their effectiveness, safety, and practical considerations helps patients and caregivers engage in productive conversations with their healthcare team.
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