

By the time most patients arrive for yet another course of antibiotics, they have a well-worn routine. They know their symptoms, they know the antibiotic they usually get, and they have quietly accepted that sinus infections are just something they get.
What they usually do not have is an answer to the more useful question: why.
Repeated sinus infections are a signal that something in the underlying respiratory environment keeps creating the conditions for infection. Treating each episode with a fresh course of antibiotics addresses the consequence, not the cause.
Clinically, four or more episodes in a year is described as recurrent acute rhinosinusitis. Symptoms that persist for twelve weeks or longer are a separate diagnosis, chronic rhinosinusitis. They are managed differently, which is one reason a pattern is worth mapping before the next prescription. At Elevate Health Group, that is where we start.
Airborne allergen exposure causes chronic inflammation in the nasal passages. Swollen tissue impairs normal sinus drainage, and stagnant mucus is a favourable environment for bacterial growth. Patients with untreated allergic rhinitis can get sinus infections repeatedly because their sinuses never fully return to a healthy baseline between episodes.
In Los Angeles the allergen environment runs year round: tree and grass pollen, mould spores, and dust mites in older housing stock. There is little off-season here, which means little off-season for patients whose underlying driver is allergic.
A deviated septum, enlarged turbinates, or nasal polyps can physically obstruct drainage. These do not respond to antibiotics. They require identification and, in structural cases, referral to an ENT surgeon for evaluation.
Some adults, particularly those on immunosuppressant medications, those with certain chronic conditions, and older adults, clear bacterial infections less efficiently. Recurrent infections in these patients may warrant immune evaluation alongside the allergic and anatomical workup.
Upper respiratory viral infections can set off sinus infections as a secondary complication. Reducing viral illness reduces that pathway, which is one of the less obvious arguments for staying current on vaccination.
A short visit for an acute sinus infection is appropriate medicine. You describe your symptoms, the physician examines you, and you leave with a prescription. For an isolated first episode in an otherwise healthy adult, that is the right encounter.
The difficulty is that the same encounter can repeat at the fourth, fifth, and sixth infection without anything changing. Stepping back to ask what is happening between infections takes a longer appointment and a physician who has seen the pattern over time.
At a respiratory infections visit, your physician takes a history focused on the pattern. When do the infections occur? Is there a seasonal cluster? Which side is usually affected? Do you have other allergic symptoms such as itchy eyes, sneezing, eczema, or asthma? Do infections follow colds, or arise on their own? These answers shape the workup and often point at the driver.
Where history suggests an allergic component, we coordinate allergy testing and immunology workup, including specific IgE blood testing, to identify which allergens are driving the inflammation. Knowing you react to a particular pollen, dust mite, or mold changes the plan: exposure can be reduced, medication can be targeted, and in appropriate cases your physician may discuss allergen immunotherapy, which can reduce sensitivity over time.
For many patients with an allergic driver, optimising medical management reduces how often infections occur. Depending on your history and testing, your physician may consider:
A safety note on nasal irrigation. The FDA and CDC advise using distilled, sterile, or previously boiled and cooled water for nasal rinsing, never untreated tap water, because tap water can carry organisms that are harmless to swallow but dangerous in the nasal passages. Follow the device instructions and clean the device after every use.
None of the above is a prescription. Which of these fits you, in what combination, and for how long, is a decision to make with your physician after your history and testing are reviewed. Response varies from patient to patient.
When workup suggests a structural cause, such as polyps on imaging, clinically significant septal deviation, or failure of maximal medical management, we coordinate an ENT referral and send your full history to the specialist. Your EHG physician stays the coordinating point: the ENT evaluates the anatomy, we manage the medical side, and the two stay connected.
The more history you bring, the faster we can build an accurate picture. Bring any past sinus CT or imaging reports. Note which antibiotics have worked and which have not. Tell us which nasal sprays or antihistamines you have tried and whether they helped.
If you are currently managing an active infection and also want to start the underlying workup, your physician can treat the current episode at a sick visit and begin the pattern investigation in the same appointment.
How many sinus infections a year is too many?
Four or more episodes in a year is the usual clinical threshold for recurrent acute rhinosinusitis. That said, two or three episodes that each need antibiotics, particularly if they cluster seasonally or follow a predictable pattern, are worth investigating. The number matters less than the pattern.
Should I see an ENT or a primary care doctor first?
Start with your primary care physician. An ENT is the right specialist when structural anatomy is contributing, and your primary care physician is the right person to determine whether that workup is warranted. Starting in primary care means the allergic and medical components, which are more common, get addressed even if a structural problem is also present.
Does allergy testing hurt?
We use specific IgE blood testing, which is a standard blood draw rather than skin-prick testing. Skin testing is performed by allergist-immunologists when it is specifically indicated. Blood testing identifies many clinically relevant allergens and is a reasonable starting point for most patients with suspected allergic rhinitis, though your physician may still refer you for skin testing in some cases.
Can recurrent sinus infections be managed without antibiotics?
For some patients, addressing the underlying driver reduces how often infections occur, which reduces how often antibiotics are needed. The goal is not to avoid antibiotics when they are clinically indicated. It is to reduce how often the conditions that call for them arise. What that looks like for you depends on what the workup finds.
Is it safe to keep taking antibiotics for recurring sinus infections?
Repeated antibiotic courses carry real considerations, including disruption of the gut microbiome, increased risk of Clostridioides difficile infection, and a contribution to antibiotic resistance at the population level. They also do not address what is causing the infections to recur, which is why investigating the driver is worth the appointment.
Elevate Health Group treats adult patients in Glendale, Burbank, and La Cañada. If sinus infections keep returning, that pattern is worth reviewing with a physician rather than managing alone. Contact our office or book online to schedule a respiratory health evaluation.

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