Spring Nasal Allergies in Houston: Frequently Asked Questions

Dr. Madeleine Herman, MD

Why are spring allergies so bad in Houston?

Houston’s warm climate, high humidity, and long growing season create ideal conditions for pollen and mold. Tree pollens (like oak, ash, and cedar), grass pollen, and mold spores often overlap, making symptoms more intense and longer-lasting than in many other cities.

When does spring allergy season start in Houston?

Spring allergy season in Houston often begins as early as February and can last through May or even longer. Because winters are mild, pollen production starts earlier than in many parts of the country.

What are the most common nasal allergy symptoms in spring?

Common spring nasal allergy symptoms include:

• Nasal congestion or stuffy nose

• Sneezing

• Runny nose

• Postnasal drip

• Itchy nose or throat

• Sinus pressure or facial pain

• Mouth breathing and snoring

Many patients also experience fatigue due to poor sleep from nasal obstruction.

How can I tell the difference between allergies and a sinus infection?

Allergies typically cause clear nasal drainage, itching, and sneezing, while sinus infections often cause:

• Thick yellow or green mucus

• Facial pain or pressure

• Fever

• Symptoms that worsen over time

Allergies can lead to sinus infections if inflammation blocks sinus drainage.

When should I start allergy medications in Houston?

ENTs recommend starting allergy medications 2–4 weeks before peak pollen season, often in late January or early February in Houston. Starting early helps prevent inflammation instead of trying to reverse it once symptoms are severe.

What allergy treatments work best for nasal congestion?

For nasal symptoms, the most effective treatments often include:

• Daily nasal steroid sprays

• Nasal antihistamine sprays

• Saline sprays or irrigations

• Oral antihistamines when appropriate

Decongestant sprays should only be used short-term to avoid rebound congestion.

Why do my allergies cause sinus pressure and headaches?

Allergic inflammation can block normal sinus drainage, leading to pressure buildup in the forehead, cheeks, and around the eyes. This is common in Houston, where pollen exposure is high and prolonged.

Can allergies cause mouth breathing and snoring?

Yes. Nasal congestion from allergies often forces patients to breathe through their mouth, especially at night. This can worsen snoring, dry mouth, sore throat, and poor sleep quality.

Is it normal to have allergies year-round in Houston?

Yes. Many Houston residents have perennial allergies due to mold, dust mites, and extended pollen seasons. Spring often triggers a noticeable flare, but symptoms may never fully resolve without treatment.

When should I see an ENT for spring allergies?

You should consider seeing an ENT if:

• Over-the-counter medications aren’t helping

• You have constant nasal congestion

• You get sinus infections every spring

• Allergies affect your sleep or daily activities

• Symptoms last year-round

An ENT can evaluate for sinus disease, nasal obstruction, or structural issues that worsen allergies.

Can allergy testing help with spring nasal allergies?

Yes. Allergy testing can identify specific triggers—such as tree pollen, grass, or mold—and guide targeted treatment. It can also determine whether allergy shots or drops may help reduce symptoms long-term.

How can I reduce pollen exposure in Houston during spring?

Helpful strategies include:

• Showering after outdoor exposure

• Keeping windows closed during high pollen days

• Using HEPA air filters

• Washing bedding frequently

• Changing clothes after being outside

These steps reduce pollen brought into the home.

Do allergies get worse every year?

They can. Repeated exposure without proper treatment can lead to worsening nasal inflammation, chronic congestion, sinus infections, and increased medication dependence over time.

What’s the best way to prepare for next spring allergy season?

The best preparation includes:

• Starting medications early

• Controlling nasal inflammation

• Treating underlying sinus or nasal issues

• Considering allergy testing if symptoms are severe

Proactive care leads to fewer symptoms and fewer complications.