Breathe. Live. Allergy-Free.

Allergy testing and specialist care in Mississauga, North York and Milton

Dandelion Allergy Centre provides physician-referred allergy, asthma and clinical immunology care for children and adults, with virtual consultations available across Ontario when appropriate. Caring for patients since 2015.

Referral-based and OHIP-covered with a valid card. We see patients from across Ontario.

Dandelion seed head illustration
Caring for patients since 2015 Pediatric and adult allergy 3 GTA locations plus virtual Allergy and asthma research
Getting care

Who we care for

For patients

Care is by physician referral and OHIP covered with a valid health card. Ask your family doctor or a walk-in clinic to send a referral; we contact you to book.

See how referrals work

For referring physicians

Fax 416 850 9993 or use the secure online form. Include the reason for referral, medications and any prior testing.

Refer a patientReferral guide
Current wait: 10 to 16 weeks after we receive the referral Updated October 2026
Allergy seasons in Ontario

Know what is in the air, and when

Triggers shift through the year here. General timing below; your own pattern may differ, and an allergist can help you pin it down.

Loading current GTA conditions
Spring
Tree pollen
Climbs as trees bud, often the first big season.
Early summer
Grass pollen
Peaks through late spring into summer.
Late summer to fall
Ragweed
A common late-season trigger into the first frost.
After wet weather
Mold
Rises in damp conditions and fallen leaves.
Winter
Indoor dust
Dust mites and pet dander matter more indoors.
Getting started

How a referral works

Care at Dandelion is by physician referral. Here is the path from your family doctor to your first visit.

Ask for a referral

Your family doctor or walk-in clinic sends a referral through our secure online form, or by fax to 416 850 9993.

We reach out

Our team contacts you to book. New appointments are typically booked within 10 to 16 weeks after we receive the referral (updated October 2026).

Testing and a plan

At your visit we assess, test as needed, and build a clear plan, in person or virtually with local testing arranged.

Open the referral form
Locations

Three clinics across the GTA, plus virtual care

Referral-based clinics in Mississauga, North York, and Milton. Further away? Our virtual clinic assesses you and arranges local testing.

Get directions

North York

1275 Finch Ave W, Unit 501
North York, ON M3J 0L5
By appointment only. Walk-ins not accepted.
Clinic details
Get directions

Milton

348 Bronte St S, Unit 8
Milton, ON L9T 5B6
By appointment only. Walk-ins not accepted.
Clinic details
All locations
FAQ

Common questions

Do I need a referral?
Yes. Care at Dandelion is by physician referral, and patients cannot refer themselves. Ask your family doctor or a walk-in clinic to send a referral by fax to 416 850 9993 or through our secure online form. We then contact you directly to book.
Is allergy testing covered by OHIP?
Care at the clinic is covered by OHIP with a valid Ontario health card and a referral. If you do not have a valid Ontario health card, contact the office to discuss options.
How long is the wait?
New appointments are typically booked within 10 to 16 weeks after we receive the referral. The exact wait depends on the location and the reason for referral. Updated October 2026
Do you see children?
Yes. Our allergists see both children and adults at all three clinics and through the virtual clinic.
Can I be seen virtually?
Yes. Our virtual allergy clinic serves patients across Ontario and can arrange local blood work and in-person testing when needed.

More questions

Ready to start? It begins with a referral.

Ask your family doctor to refer you, or ask us a question any time.

How to get referredRefer a patient