Cetirizine 10mg tablets — 24-hour allergy relief (Zyrtec generic)

10mg tablets — 24-hour allergy relief

Buy Cetirizine HCl 10mg (45ct) Online — 24-Hour OTC Allergy Relief

Order FDA-Approved Cetirizine 10mg — Same as Zyrtec, 45-Day Allergy Supply

Estimated: $14–20 per pack

10mg tablets, 45-count (45-day supply)

Why Buy Cetirizine 10mg from Promedic USA?

  • Fast-acting — noticeable relief within 1 hour
  • 24-hour allergy control with once-daily dosing
  • Effective for both seasonal and year-round allergies
  • Relieves sneezing, runny nose, itchy eyes, and hives
  • 45-day supply in a single pack — excellent value
  • Same ingredient as Zyrtec at a significantly lower price
  • Widely recommended by US allergists

About Cetirizine HCl 10mg (45ct) — Complete Product Guide

Cetirizine HCl 10mg is a second-generation antihistamine used to relieve allergy symptoms. It is the active ingredient in Zyrtec. Cetirizine is known for working faster than loratadine and providing powerful 24-hour allergy relief. While technically classified as low-sedation, a small percentage of users may experience mild drowsiness, making it popular for evening use as well.

What Conditions Does Cetirizine 10mg Treat?

Cetirizine 10mg is indicated for the relief of seasonal allergic rhinitis (hay fever), perennial allergic rhinitis (year-round indoor allergies), allergic conjunctivitis, pet dander and dust mite allergies, pollen and mold spore allergies, chronic urticaria (hives), and itching from allergic skin reactions. It is approved for OTC use and does not require a prescription for standard adult doses.

How Does Cetirizine 10mg Work?

Cetirizine is a highly selective H1 receptor antagonist — it blocks histamine receptors in the body's tissues to prevent allergy symptoms from occurring. It has a longer binding affinity to H1 receptors compared to loratadine, contributing to its reputation for stronger and faster-acting relief. It is also mast cell stabilizing, which helps prevent the cascade of allergy reactions before they start.

Dosage and Usage Instructions

Adults and children 6 years and over: Take 1 tablet (10mg) once daily. May be taken in the morning or evening — evening dosing is preferred by users who experience mild drowsiness. Take with or without food. Do not exceed 1 tablet per day. The 45-count pack provides a 45-day continuous supply.

Key Benefits of Cetirizine 10mg

  • Fast-acting — noticeable relief within 1 hour
  • 24-hour allergy control with once-daily dosing
  • Effective for both seasonal and year-round allergies
  • Relieves sneezing, runny nose, itchy eyes, and hives
  • 45-day supply in a single pack — excellent value
  • Same ingredient as Zyrtec at a significantly lower price
  • Widely recommended by US allergists

Who Can Use Cetirizine 10mg?

Cetirizine 10mg OTC is for adults and children 6 years and older. Patients with kidney impairment may need a lower dose (5mg once daily) — consult your doctor. Generally considered safe during pregnancy at standard doses — always check with your OB. Not recommended during breastfeeding due to potential infant drowsiness.

Possible Side Effects

Cetirizine may cause mild drowsiness in some people (more than loratadine but less than first-generation antihistamines). Other common side effects include dry mouth, headache, and fatigue. Most people tolerate it very well. Use caution when driving or operating machinery until you know how cetirizine affects you. Avoid alcohol.

Why Order Cetirizine 10mg from Promedic?

Promedic is a licensed US online pharmacy committed to providing FDA-approved OTC medications at competitive prices. We source all products from reputable US-licensed distributors and manufacturers. Every order is handled with discretion, packaged securely, and shipped to all 50 states. Our pharmacy team is available to answer any questions about Cetirizine 10mg or any other products in our inventory. Order with confidence — quality and customer service are our top priorities.

Frequently Asked Questions — Cetirizine 10mg

Do I need a prescription to buy Cetirizine 10mg?
No. Cetirizine 10mg is an over-the-counter (OTC) medication available without a prescription for standard adult use.

How quickly will my order arrive?
We offer standard and expedited shipping to all 50 US states. Contact us for estimated delivery times to your location.

Is the generic version as effective as the brand name?
Yes. All OTC medications we carry must meet FDA quality and efficacy standards. Generic versions contain the same active ingredient at the same strength as their branded equivalents.

Frequently Asked Questions — Cetirizine 10mg

How quickly does cetirizine work?

Cetirizine 10mg begins working within 1 hour of taking it, with maximum effect at 1–2 hours. It provides 24-hour relief with a single daily dose. For best results, take at the same time each day. Source: MedlinePlus: Cetirizine.

Does cetirizine cause drowsiness?

Cetirizine is considered low-sedating but more likely to cause drowsiness than loratadine. About 10–14% of users experience some drowsiness. If you find it sedating, take it at night. Compare with Loratadine (Claritin) — the least sedating option.

Can I take cetirizine with other medications?

Cetirizine interacts with central nervous system depressants (alcohol, sedatives, sleep aids) — avoid combining. It also interacts with theophylline. Check with your pharmacist before combining with prescription medications. See FDA drug interaction resources.

Is cetirizine the same as Zyrtec?

Yes — Zyrtec is the brand name and cetirizine is the generic active ingredient. Generic cetirizine 10mg is bioequivalent to Zyrtec 10mg and provides the same 24-hour allergy relief at a significantly lower cost.

Can children take cetirizine 10mg?

The 10mg dose is approved for adults and children 6 years and older. Children aged 2–5 years may use a lower 5mg dose (syrup or half tablet) under medical supervision. Always follow package directions or consult a pediatrician.

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About the Medical Reviewer

Andrew Gaon - Medical Reviewer at Promedic

Andrew Gaon

Healthcare Professional & Medical Reviewer, Promedic

Andrew Gaon is a healthcare professional and medical reviewer at Promedic, where he helps ensure that medical content is accurate, evidence-based, and easy for patients to understand. He reviews articles for clinical accuracy, current treatment guidelines, and patient safety, ensuring information meets high editorial and healthcare standards. Andrew is dedicated to providing reliable, trustworthy medical information that empowers patients to make informed healthcare decisions.