OLLEREG — Keep Your Pet. Lose the Allergies.
Pet Allergy Spray · From $25/month

Keep your pet. Treat your cat or dog allergy at home — from $25/month.

OLLEREG is an at-home allergy spray for cat and dog dander. OLLEREG is Oromucosal Immunotherapy (OMIT) — the same immune mechanism as Curex and Wyndly's SLIT drops, delivered as a spray that reaches more of your mouth's immune tissue in one dose. Two sprays a day. Formulated by Dr. Dat Tran, MD, FAAAAI. No sign-up fee. No insurance headaches. 90-day money-back guarantee.

See How It Works ↓
Formulated by a board-certified allergist · Free monthly shipping · 90-day money-back guarantee · No insurance needed
Dr. Dat Tran Developed by Dr. Dat Tran, MD, FAAAAI · Board-Certified Allergist · NIH-Trained · Founder & Medical Director of Innovative Allergy (6+ Houston locations) · ★★★★★ 5.0 · 300+ Google Reviews See the clinic →
Using OLLEREG allergy spray

Two Sprays. Once a Day. That's It.

Spray under your tongue, wait 5 minutes, and go about your day. No clinic appointments, no needles, no complicated routine.

Pricing

Simple Pricing. Real Treatment.

Most Popular

Pet Dander Spray

$25/month
First year introductory price
  • ✓ Two sprays once a day
  • ✓ Ships free every month
  • ✓ 90-day money-back guarantee
  • ✓ Safe for ages 3+
  • ✓ allergen extracts
  • ✓ Doctor-formulated, patent-pending
Start for $25/month
Year 2: $75/mo — by then, most patients are in maintenance mode and seeing lasting results. Cancel anytime — no fees.
Ships free within 2-3 business days
Best Value

Also allergic to pollen or dust?

$50/month
All-in-One Bundle — First year introductory price
  • ✓ All 3 sprays — pollen, pet dander & indoor
  • ✓ Ships free every month
  • ✓ 90-day money-back guarantee
  • ✓ Safe for ages 3+
  • ✓ allergen extracts
  • ✓ Doctor-formulated, patent-pending
Get the Bundle
Year 2: $150/mo — by then, most patients are in maintenance mode and seeing lasting results. Cancel anytime — no fees.
Ships free within 2-3 business days

Compare: Wyndly charges $55+/mo. Curex is $100/mo without insurance. OLLEREG starts at $25/mo — same science, lower price. See full comparison →

Not sure yet?

Find Out if OLLEREG Is Right for You

Which pets trigger your allergies?

As Seen On Fox 26
Fox 26 Houston
~80%
of patients see meaningful relief
30+
years of OIT science worldwide

Compare Your Options

RecommendedOLLEREG OTC Medications Allergy Shots
Treats root cause ✓ ✗ ✓
No clinic visits ✓ ✓ ✗
No needles ✓ ✓ ✗
Safe for ages 3+ ✓ Varies ✗
Doctor-developed ✓ ✗ Varies
Builds lasting tolerance ✓ ✗ ✓
Typical annual cost From ~$300/yr $200–360/yr $1,500–4,000/yr

Real People. Real Relief.

Pet lovers who refused to choose between their animals and breathing.

Woman with her cat, holding OLLEREG spray
★★★★★
"Two cats and zero regrets. OLLEREG changed my life. I actually sleep through the night now without congestion."
Before: Couldn't be near my cats without swelling up. Almost had to rehome them.
— Verified OLLEREG Customer
Man with his golden retriever, holding OLLEREG spray
★★★★★
"My golden retriever can finally sleep in the bedroom again. OLLEREG changed everything for our family."
Before: Couldn't be in the same room as my dog without sneezing. Almost had to rehome him.
— Verified OLLEREG Customer

Frequently Asked Questions

Yes. The pet dander spray is formulated to address the most common allergens from both dogs and cats. Whether you have one pet or a houseful, the same spray builds tolerance to the dander proteins that trigger your symptoms.
You can continue using antihistamines as needed while starting OLLEREG. As your tolerance builds over weeks and months, many patients find they rely on them less and less. OLLEREG addresses the root cause, not just the symptoms.
OLLEREG comes with a 90-day money-back guarantee. Use it consistently for 90 days, and if you're not satisfied, we'll refund you in full. No hassle, no questions.
Yes. OLLEREG is safe for patients as young as 3 years old. A parent or guardian must complete the health check after purchase and supervise each dose.

Your Pet Isn't Going Anywhere. Neither Should You.

Stop choosing between comfort and the companion who loves you unconditionally. Start OLLEREG today.

Get Started — $25/month

Learn more about OLLEREG →

Want the full immune mechanism behind OLLEREG?

Read the full science →
Start for $25/month