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/
Tuesday, May 12, 2026
Sumatriptan: The Generic Form Of Imitrex Explained
Sumatriptan is the generic name of the medication sold under the brand name Imitrex. Generic medications contain the same active ingredient at the same dose and strength as their brand name counterparts and must meet the same FDA standards for quality, purity, and bioequivalence. The development and approval of generic drugs play an important role in making effective treatments more accessible and affordable for patients. Migraine treatment is divided into acute treatment, which addresses individual attacks when they occur, and preventive treatment, which reduces the frequency and severity of attacks over time. Triptans are among the most effective acute treatments, working by activating serotonin receptors to constrict blood vessels and block pain signaling. Newer CGRP antagonists have added important options for both acute and preventive treatment. Preventive options include several medication classes not originally developed for migraine, including beta-blockers, anticonvulsants, and antidepressants. The pharmacological action of sumatriptan is the basis for its use in treating conditions within the category of migraine treatment. Understanding the mechanism by which the active compound produces its therapeutic effects helps patients appreciate why the medication needs to be taken consistently and at the correct dose to achieve the best results. Switching between brand name and generic versions of a medication is generally considered safe when the products are bioequivalent, but patients should inform their doctor if they notice any differences in effect after a formulary change. Some patients with conditions requiring precise drug levels in the blood may be monitored more closely during transitions. For most patients, however, approved generics provide equivalent therapeutic benefit to the brand name product. The https://mednewwsstoday.com/migraine/ section on migraine treatment covers both brand name and generic treatment options, giving patients a complete picture of what is available. Cost, insurance coverage, and pharmacy availability are practical factors to discuss with a pharmacist when filling a prescription for sumatriptan.
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