JOHNSON & JOHNSON LIMITED
Reactine Tabs X-Strong 10MG 48's
Reactine Tabs X-Strong 10MG 48's
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Reactine Extra Strength 10 mg (48 tablets) — the family-size pack of a popular non-drowsy 24-hour allergy medication. Available at The Boardwalk Pharmacy in Waterloo with free local delivery and Subscribe & Save 10%.
Each tablet contains 10 mg of cetirizine hydrochloride, a second-generation antihistamine that relieves indoor and outdoor allergy symptoms (sneezing, runny nose, itchy eyes, hives) for a full 24 hours. The 48-pack is a cost-effective format for daily seasonal use.
Key benefits
- 10 mg cetirizine — 24-hour relief from one tablet
- Non-drowsy for most users (a small percentage feel slight drowsiness)
- Helps with both seasonal pollen allergies and year-round allergies (dust, pets)
- 48-tablet pack — ~7 weeks of daily use
Frequently asked questions
Q: Can I take Reactine every day all year?
For most adults, yes — daily long-term use is generally well tolerated. Many people in Waterloo do exactly that for year-round allergies (dust mites, mould, pet dander). Speak with your pharmacist about your situation.
Q: When should I take it for spring allergies?
Start in early spring — typically as soon as temperatures break in Waterloo — and continue through the season. Antihistamines tend to work better when started before symptoms hit.
Q: Can I give Reactine to children?
The 10 mg adult tablet is for ages 12 and up. For younger kids, ask about Reactine Children’s Liquid (118 mL) or Reactine Jr Fast Melt — both formulated for ages 6+.
From The Boardwalk Pharmacy team
If you’re struggling through the spring despite a daily antihistamine, ask us about adding a nasal corticosteroid spray (fluticasone, mometasone), which works on different receptors and complements an antihistamine for some people. Drop in for a quick allergy plan.
Warnings & precautions
Warnings & precautions
Read the label and product insert carefully before use. Talk to your pharmacist if you have questions about interactions, side effects, or use during pregnancy. If symptoms persist or worsen, contact a healthcare provider.
Directions for use
Directions for use
Follow the directions on the package or as advised by your pharmacist. For prescription items, follow your prescription label directly.
Pickup, delivery, and returns
Pickup, delivery, and returns
Pickup: Ready within 24 hours at 430 The Boardwalk, Suite 102, Waterloo.
Delivery: Free local delivery throughout Waterloo and Kitchener on orders over $30.
Returns: Unopened over-the-counter items can be returned within 30 days. Sealed health products and prescription items cannot be returned.
Talk to a pharmacist
Talk to a pharmacist
Not sure if this is right for you? Free consultations are available in-store, by phone (519-578-3000), or via chat. We can help you compare products, check interactions with your other medications, and pick the right option.

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Real pharmacist advice
Ask a pharmacistFree consultations in-store, by phone, or chat — before or after you buy.
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Direct insurance billing
Most Ontario insurance plans accepted (Blue Cross, Manulife, Sun Life, Green Shield, ODB).