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Sinusitis illustration

Advanced Treatment From a Top Sinus Doctor

Get relief from chronic sinusitis (sinus infection)

Sinus headache relief

What Causes Sinusitis?

Relieve sinus pain and sinus pressure associated with chronic sinusitis.

Symptoms of Sinusitis?

Do you have allergies or sinusitis? Find out now!

Dr. Farhad Sigari

The Top Allergy and Sinus Doctor in Los Angeles.

Dr. Farhad Sigari is a national leader in minimally invasive and in-­office sinus procedures. Dr. Sigari and the Del Rey Sinus & Allergy Institute uses a comprehensive approach to diagnose and treat your sinus issues. With our in-house CT scanner we are able to perform a complete evaluation of your allergy and sinus issues in just ONE VISIT. And because we have a Joint Commission-certified surgical suite on site, you can be treated right here in our office.

If you have:

• chronic sinusitis and allergy conditions
• frequent sinus headaches
• nasal congestion
• sinus pressure
• post nasal drip
• too many antibiotics and not enough relief

We can help! Whatever your condition, call Del Rey Sinus & Allergy Institute and you can #Breathe Better, Today!

If you, or anyone you know, is suffering from these chronic allergies and sinus symptoms, our in-office balloon sinus dilation procedure can help! Watch this video to learn more.

Conditions and Treatments

Sinus Headaches

Patients who suffer from chronic sinusitis may have an extremely painful sinus headache on a regular basis.


Allergies and other allergic reactions can contribute to the onset of sinusitis.

Nasal Obstruction

The nasal passage is very important to breathing.

Sinus Treatment

Sinus Treatments are our specialty.

Balloon Sinus Dilation

A procedure that gently expands the natural sinus openings to fix underlying drainage problems.

Balloon Sinus Dilation FAQs

Patients often ask us questions about their sinus conditions, and how we treat them.


List of our featured resources

Antibiotics for sinus infections - yes or no?

Antibiotics for Sinus Infections – Yes or No?

One of the most common complaints from our new patients is that they have been taking antibiotics for a... read more

CT scanner image medical imaging

In-House CT Scanner

Del Rey Sinus & Allergy Institute is proud to be one of the very few ENT doctor’s offices in... read more

Dr. Monica Kieu, physician of Del Rey Sinus & Allergy Institute

Del Rey MD Welcomes New Physician to its Sinus, Aesthetics and ENT Practices

Del Rey MD, home to leading medical clinics which specialize in conditions of the head, neck and sinuses, announced... read more

Neti pot for sinus rinse

Sinus maintenance for patients with chronic sinusitis

The importance of sinus maintenance We frequently remind patients who have chronic sinusitis that even after a sinus surgery or... read more


Major insurance providers accepted

What Are People Saying About Dr. Sigari?