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Day one sale
Put your health first in 2026 with free visits on all categories, and $200 off longevity testing.
Learn more

Lab Tests

Longevity
Comprehensive health testing
STI Testing
Test for 7 common STIs
Metabolic Health
Test for diabetes and more
Female Fertility
Coming Soon
Male Fertility
Coming Soon

Learn More

Test at Home
Gift Longevity

Further Reading

Psychological Erectile Dysfunction: Is It All in Your Head?
Learn more
Answers to Common Questions About Felix’s Weight Loss Program
Learn more
What Causes Rapid Weight Gain?
Learn more
Who is Eligible for Weight Loss Medications & How Can I Get a Prescription?
Learn more

Day one sale

Put your health first in 2026 with free visits on all categories, and $200 off longevity testing.

Download now

Resources

Contact
We’re here for you
Help Center
Advice and answers
Download Our App
Available on iOS and Android
About Us
Learn more about us

Support

Contact Us
Help Center
FAQ

Learn

BMI Calculator
Calorie Deficit Calculator
Blog

Further Reading

Psychological Erectile Dysfunction: Is It All in Your Head?
Learn more
Answers to Common Questions About Felix’s Weight Loss Program
Learn more
What Causes Rapid Weight Gain?
Learn more
Who is Eligible for Weight Loss Medications & How Can I Get a Prescription?
Learn more
Weight Loss
Lose weight with science
Menopause
Take control of your journey
Smoking Cessation
Commit to quitting
Migraines
Get relief from migraines
Diabetes
Navigate diabetes with confidence
Allergies
Leave your allergies in the dust
Acid Reflux
Take acid reflux off your plate
Acne
Banish your breakouts
Hair Loss
Stop hair loss in its tracks
Melasma
Clearer skin starts now
Rosacea
Clearer skin starts now
Female Fertility
Take charge of your fertility
Longevity
Optimize your health and live longer
Metabolic Health
Understand your heart and metabolic health
STI Testing
Easy and discreet testing
Depression
Get help with depression
Anxiety
Get help with anxiety and stress
Back to all FAQs

Is cetirizine available over the counter?

Cetirizine in Canada is available over the counter and by prescription. Talk to a licensed healthcare practitioner to find out which is best for you.