Sinusitis, Hay Fever, Allergic Rhinitis Explained Sinusitis, Hay Fever, Allergic Rhinitis Explained

Part 2 – Diagnosing and Treating Sinusitis

Although the symptoms of sinusitis are fairly straightforward, they can present concurrently with other conditions often leading to repetitive misdiagnosis.

Allergic rhinitis is one of those conditions. It is all too common for a doctor to put a patient through a round of allergy treatments that may, in fact, only serve to make their symptoms worse. If an infection is the underlying cause of the sinusitis, that must be addressed.

The more you understand about the often-stubborn sinusitis “complex,” the more effectively you can participate in your own program of recovery.

sinusitis

Major Sinusitis Symptoms

There are three major symptoms of sinusitis that make the condition often unbearable for the person suffering through a flare up.

– pressure / pain

– difficulty breathing due to congestion

– post-nasal drip / sore throat

Treating and resolving these symptoms is the challenge of breaking the sinusitis cycle.

Pressure and Pain

Pain from an attack of sinusitis presents with a throbbing, dull ache. Swelling in the inflamed sinus puts pressure on the nerve endings in the sinus lining. Where you feel the discomfort depends entirely on the location of the affected sinus.

– If the inflammation is present in the frontal sinus, you will have a headache, typically centered in the forehead with an accompanying feeling of tightness.

– Affected maxillary sinuses make your face hurt, with the pain often radiating into the upper jaw as if you were suffering from a toothache.

– When the condition strikes the ethmoid sinus the pain is in the bridge of the nose and between the eyes.

– Sphenoid sinuses cause pain behind the eyes and at the top and base of the head.

A single set of sinuses may be involved in an attack of sinusitis or all of the passages can be affected. If this is the case, the condition is referred to as pansinusitis.

Congestion and Difficulty Breathing

Over-production of mucus in combination with swollen membranes further narrows the breathing passages on one or both sides of the nose.

This congestion may just be an inability to draw air in freely, or it may be a painful sense of fullness and pressure. Some sinus sufferers say their head feels heavy or seems “too big.”

If the ostia swell completely closed, the mucous membranes begin to absorb oxygen. This creates a vacuum which is even more painful.

Postnasal Drip and Sore Throat

Although mucus normally drains down the back of the throat, it is sufficiently thin that we don’t notice it’s there.

In the case of an infection, however, the mucus becomes thick and collects in the back of the throat, even pooling around the vocal cords.

This is why sufferers often wake up with a sore throat and a hacking cough until they can dislodge the mucus and cough it up.

High concentrations of white blood cells are present in this mucus, which irritate the lining of the throat. It is not at all uncommon for there to be excessive mucous discharge from the front of the nose as well.

Other Potential Symptoms

In addition to the three major symptoms of sinusitis, you may also experience:

– A diminished capacity to smell, which often accounts for the loss of appetite people experience during a bout of sinusitis.

– A concurrent lessening of the ability to taste. The human capacity to taste foods is dependent on smell. The loss of these two senses go hand in hand.

– Halitosis or bad breath caused by the bacteria present in the mucus drainage.

– Coughing as a measure to get rid of collected mucus in the back of the throat.

– Fatigue. In addition to the amount of energy your body is expending to fight the sinus infection, the symptoms of sinusitis make it almost impossible to get a good night’s sleep.

– A sense of fullness in the ears due to blockages of the Eustachian tube, which connects to the ears to the back of the nose.

– A fever as part of the body’s immunological response to the presence of the infection.

When people say that it’s sometimes impossible to function well with a case of sinusitis, they are not exaggerating!

Difficulties in Diagnosis

The principle difficulty in diagnosing sinusitis is the similarity of symptoms to those present with colds and allergies. It is also possible for an attack of sinusitis to begin with either of these events.

The Common Cold and Allergic Rhinitis

It’s important to realize that a virus causes the common cold, while bacteria triggers sinusitis. On average, a cold resolves in a week

Irritants in the environment cause allergies. They may be seasonal, or tied to instances of exposure to a substance to which the individual is sensitive (perennial).

Colds sometimes present with facial pressure and nasal discharge, but the mucus will be either thick and white or watery. If the mucus is from a sinus infection, it will be thick and greenish yellow.

Colds do not cause bad breath, but they do put the sufferer through coughing, sneezing, congestion, sore throat, and fatigue.

Nasal discharge from an allergy is clear, watery, and thin. Unlike either sinusitis or a cold, the person’ eyes will itch. There will be no bad breath.

Sneezing will definitely be present, but congestion, coughing, and sore throat vary widely by individual.

In all cases, if the symptoms last for more than a week, a visit to your primary care physician is in order.

Visiting Your Doctor

When you see your doctor, the first step toward a diagnosis will be gathering information for a patient history. This process also involves excluding other conditions that might be responsible for your symptoms.

For instance, facial pain in the absence of congestion might indicate a neurological illness like neuralgia.

As a diagnostic tool, your doctor will look into the front of the nose using a small flashlight to illuminate the visible portions of the inferior turbinates to look for swelling and signs of infection.

Some doctors will tap on the forehead and cheeks looking for indications of tenderness, but this is actually not a reliable method to check for sinusitis.

X-Rays or CT Scan?

At one time, taking an x-ray of the sinuses was regarded as the most reliable test to determine the presence of sinusitis.

On an x-ray, bones show up as white, empty spaces as black, and other structures, including a sinus packed with mucous, appear in gray.

X-rays have been replaced by CT scans, however, as the best way to determine the presence of sinusitis.

CT scans use a series of x-rays that image 1-3 mm “slices,” which are then assembled to give your doctor a 3D view of what’s going on in your nose and sinuses.

The procedure is completely painless and quite fast, taking less than 5 minutes. There are two variations of the test: limited and full.

Of the two, a limited scan is less expensive and tends to be the type most often ordered by primary care physicians. For a simple case of sinusitis this test will be sufficient.

If, however, you are referred to an ENT (ear / nose/ throat) doctor with a particularly stubborn case of sinusitis, you will likely be asked to have a second, full scan performed.

This will allow the doctor to more thoroughly diagnose the cause of the ongoing discomfort.

sinusitis

First Line Treatment

At the level of treatment you will receive from a primary care physician, you will likely be prescribed an antibiotic, and given advice on selecting an over-the-counter decongestant.

In a large number of cases, these measures will be sufficient to resolve an isolated case of sinusitis. If you have three or more episodes of sinusitis in any 12-month period, you will likely be referred to an ENT.

ENTs or otolaryngologists have specialized training and greater expertise in resolving persistent and chronic cases of sinusitis. Unlike primary care physicians, ENTs try to isolate the specific bacteria present, and look for and address physical abnormalities in the nasal cavity.

Referral to an ENT

If you are referred to an ENT, be prepared to go through your medical history again. Don’t be impatient with this process. Every doctor needs to work his own diagnostic procedure and an ENT will likely ask much more detailed questions.

Endoscopic Examination

In all likelihood the doctor will start with a visual examination of your nose using a nasal speculum to gently widen your nostrils for better access.

Next, he may progress to an endoscopic exam using a high-resolution camera on a thin stem. The end of the instrument that enters your nasal cavity is lighted, and the opposite end is outfitted with an eyepiece through which the doctor views the area.

In preparation to insert the instrument, you’ll receive a dose of a nasal decongestant spray and a mild topical anesthetic.

An endoscopic procedure doesn’t hurt, but it does create a tickling sensation that makes it hard for the patient to sit still, which is necessary for the doctor to be able to get a good look inside your nose.

Using the endoscope, the doctor will look for inflammation of the mucous membranes and check the meatus for signs of infection and turbinate enlargement. It may also be possible for him to see any polyps that are further blocking the sinuses.

Nasal Polyps and Cysts

Both nasal polyps and cysts are quite commonly revealed during CT scans and endoscopic examinations. Neither is cause for undue concern.

sinusitis

Cysts in the sinuses are filled with mucus and normally reach the size of a grape. They are typically quite harmless, and simply develop when a mucous gland becomes blocked.

Cysts occur most frequently in the maxillary sinuses.

When a cyst grows to its maximum size, it ruptures spontaneously and the mucus drains out. Most people have no idea this has even occurred, although they might notice a brief salty taste in their mouths. Very rarely does a cyst grow large enough that it requires surgical removal.

Polyps are growths roughly equal to the size of a pea. They grow on stalks emanating from the wall of the sinus and are common in people with chronically inflamed mucosa.

As the polyp grows, it can narrow the nasal passage causing congestion. Ultimately a polyp can completely block a sinus, triggering an overgrowth of bacteria and the development of sinusitis.

These growths rarely present as malignancies. It may be possible to shrink a polyp with the use of steroids, avoiding surgical removal.

 Nasal Tumors

Any time a person is diagnosed with a growth of any sort, the mind naturally runs to one word “cancer.” It’s important to understand that nasal tumors are extremely rare. Polyps are not tumors.

When tumors do occur in the nasal passages, they are typically benign. Additionally, since the growths block the nose and cause sinusitis, they are detected early and easily removed.

If a nasal tumor was undetected, or allowed to grow quite large, it could certainly do a great deal of damage, but this rarely occurs.

Discovering Allergic Rhinitis

An endoscopic examination may also reveal swelling of the turbinates, especially the inferior turbinates. If this is the case, the greater sinus issue may actually be allergic rhinitis caused by environmental irritants that cause the nasal passages to swell.

Although the symptoms of allergic rhinitis are much the same as those of sinusitis, a CT scan may show that the sinuses are open.

Additional Testing

Depending on what your doctor sees through the endoscope, a full CT scan will likely be the next test ordered.

This could be followed by allergy testing or by a culture of the bacteria present in the nose. An MRI will not be ordered because an MRI works best to reveal details in soft tissue, not bony structures.

If a culture is performed, the swab will likely be taken using the endoscope again so the bacteria are obtained from the most seriously affected area. This will guide the doctor in prescribing the correct antibiotic.

Blood tests are also possible if your doctor believes that your sinus pain is linked to a larger systemic problem.

The Diagnosis

At this stage of combating your sinus problems, you will either be diagnosed with acute or chronic sinusitis. The only difference in the two labels is duration.

In a case of acute sinusitis, the symptoms resolve in 1-3 months. With chronic sinusitis, the symptoms last longer than three months.

Physiologically the only difference in the two diagnoses is that patients with acute sinusitis are more likely to have a fever.

If you are found to suffer from chronic sinusitis, you have a running battle on your hands, one where relapses are quite common.

Your quality of life will be affected to some degree, and finding the right combination of treatments to offer relief is more challenging.

Understanding Acute Sinusitis

In about 5% of cases, an episode of acute sinusitis is preceded by a cold. This progression is most likely in people who have naturally narrow sinus openings.

During the cold, sinus drainage becomes impaired and the area swells, leading to a backing up of the mucus and a proliferation of bacteria.

Although the cold itself is caused by any one of several rhinoviruses, the secondary sinus infection will be touched off by one of three common bacteria:

Streptococcus pneumonia

Haemophilus influenza

Moraxella catarrhalis

Typically, a secondary infection is more persistent and harder to “kick” than the original cold.

Treating Acute Sinusitis

Resolving a case of acute sinusitis while offering the patient some degree of physical relief involves the interplay of several treatment strategies.

Over-the-counter painkillers are useful for the headache and pressure that accompany a sinus infection. It doesn’t really matter which product you choose. Acetaminiphen, ibuprofen, and aspirin will all work depending on personal preference.

Staying well hydrated is crucial. Getting as much water in your system as possible will help to thin the mucus in your sinuses for more effective and faster drainage.

This process should also include nasal irrigation with a saline solution, and exposure to steam from almost any source ranging from a comforting bowl of soup to a long, hot shower.

Ice compresses can also help with facial pain. Retail pharmacies sell special gel masks that can be frozen multiple times. These products are especially good because they conform more directly to the facial features for better coverage.

sinusitis

Prescription Medications

Once a patient is diagnosed with acute sinusitis, an ENT will prescribe an antibiotic and probably a decongestant. Although penicillin was once the standard treatment, too many strains of bacteria have developed resistance to the drug.

 Antibiotics

Currently, amoxicillin is the most-prescribed medication, although it, too, is proving to be ineffective in as many as 30% of cases. The use of augmentin, a combination of amoxicillin and clavulanate is growing more popular for this reason.

Other antibiotics that may be administered include:

– azithromycin

– clarithromycin

– telithromycin

– cefpodoxime

– cefdinir

Axithromycin may be dispensed in a three-day course, commonly called a Tri-Pak, or as a five-day dosage, known as a Z-Pak.

The issue of decongestants is somewhat more complicated by how people use these medications on their own without a doctor’s guidance.

The Problem with Decongestants

Both your primary care physician and your ENT may recommend that you use a decongestant in the form of either an over-the-counter spray or tablet.

If you have chosen not to see your doctor and are dealing with your sinusitis alone, seeking relief from the pressure and congestion is one of the first things you’ll pursue.

sinusitis

Nasal Sprays and Rebound

Nasal sprays offer one of the most direct and instant means of relief for painful sinus congestion – almost too quick. With over-the-counter medications, people often think that if one dose is good, two is better.

Over-medicating with these items is common and dangerous. The implications for managing sinusitis are especially important.

The two active ingredients in most commercially available nasal decongestants are oxymetazoline or phenylephrine. Both cause a phenomenon called “rebound” if used for an extended period of time.

When rebound occurs, the swelling instantly returns when the effect of the spray wears off.

In fact, the swelling evident in rebound tends to be more severe, leading people to pick up the spray bottle and use even more of the preparation, seeking the same level of relief they initially received.

This sets up a vicious cycle of addiction, until the affected person literally cannot breathe for any extended period of time without a “hit” of nasal spray.

To avoid the development of rebound, a nasal spray with an active ingredient should never be used for more than 2-3 days.

A saline nasal spray can be used for any amount of time without fear of rebound, but these products do not deliver the same kind of dramatic results.

It is also a good idea to select a nasal spray that is formulated for mild doses of approximately four hours.

Regardless, only turn to a nasal spray to get yourself through really severe instances of congestion, otherwise, avoid these products.

Oral Decongestants

All oral decongestants have pseudoephedrine as their active ingredient. These pills are slower to provide relief from sinusitis, but they do not raise the potential for addictive rebound. They do, however, have other potentially harmful side effects.

People with high blood pressure should not use oral decongestants due to their propensity for causing heart palpitations.

Almost anyone can experience a sense of being “jittery” when taking pseudoephedrine, which can also cause insomnia.

Acute Sinusitis and Surgery

Thankfully in instances of acute sinusitis, surgery is almost never indicated unless the bacterial infection is so severe it actually breaks through a sinus wall.

If this were to occur, it would most likely happen in the ethmoid sinus where the intervening partitions are very thin.

Of those partitions, the lamina papyracea between the ethmoid sinus and the eye socket is the most vulnerable to perforations and abscesses.

Although rare, if this does occur, surgery is essential to drain the area and preserve vision.

Continue Reading…

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Part 2 – Diagnosing and Treating Sinusitis

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Frederick Earlstein

I love to write medical education books. My books are written for everyone in an easy to read and understandable style. Some of my other titles available on Amazon (and various other book retailers) are “Degenerative Disc Disease Explained” (ISBN 978-0-989658-48-5)”Scabies and Lice Explained” (ISBN 978-1-941070-01-7) – “Torticollis Explained. A Complete Care Guide” (ISBN 978-1-941070-05-5)…. and many more to come! Many of my titles are also available for Kindle on Amazon and as digital eBooks from various online retailers.

Part 2 – Diagnosing and Treating Sinusitis June 10, 2014


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