Cetirizine (Zyrtec) OTC
Generic for Zyrtec · Second-generation antihistamine (H1) for allergies & hives
from $1.08
- OTC medication. No prescription required.
- Pickup today in Los Angeles or get local delivery.
- Non-drowsy for many users; may still cause drowsiness—see safety below.
- Reviewed by licensed pharmacists.
How ordering Cetirizine works
- Add your preferred strength and quantity to cart (tablet, chewable, or solution).
- We verify stock and check for any questions about concurrent medicines if you ask.
- Choose pickup or delivery at checkout. Most orders ready the same day.
Important safety information (summary)
Do not use if
- You’ve had an allergy to cetirizine, levocetirizine, or hydroxyzine.
- Your clinician advised against antihistamines due to your condition.
Common side effects
Drowsiness, dry mouth, fatigue, headache. Avoid alcohol and use caution with other sedating medicines.
Use tips
Once-daily dosing. For seasonal allergies, daily use during exposure may work best. Ask about children’s dosing for the oral solution.
This page is informational and not a substitute for medical advice. See full information below.
What is Cetirizine?
Cetirizine (brand: Zyrtec) is a second-generation antihistamine used to relieve allergy symptoms and itching due to hives. Available OTC as tablets, chewables, and an oral solution. Dispensed by Serv-U Pharmacy without a prescription.
Uses
- Allergic rhinitis (sneezing, runny/itchy nose, itchy/watery eyes)
- Chronic idiopathic urticaria (hives) symptom relief
- Allergy prevention during periods of exposure (per label)
Only your clinician can determine if cetirizine is appropriate for you.
How it’s taken (follow your prescription)
Follow the label. Adults and children ≥6 years: typically 10 mg once daily; some may use 5 mg for less drowsiness. Children’s oral solution is dosed by age/weight—use proper measuring device.
| Form | Strengths (examples) |
|---|---|
| Tablets / Chewables | 5 mg, 10 mg |
| Oral solution | 1 mg/mL (e.g., 5 mg/5 mL) |
May cause drowsiness. If affected, take in the evening and avoid driving until you know your response. Pharmacist counseling is available at checkout.
Warnings & interactions
- Drowsiness: Possible—use caution with driving/operating machinery.
- Alcohol/CNS depressants: May increase sedation—avoid or limit.
- Kidney impairment: Dose adjustment may be needed—ask your clinician.
- Pregnancy/Breastfeeding: Discuss risks/benefits with your clinician.
Storage
Store at room temperature away from moisture. Keep out of reach of children. Use child-resistant caps.
FAQ
Will cetirizine make me sleepy? Less sedating than first-generation antihistamines, but drowsiness can occur—try evening dosing if needed.
How fast does it work? Onset typically within 1 hour; full effect in several hours.
What’s the difference vs. loratadine? Both are second-generation antihistamines; individual response varies—ask which fits your symptoms and sedation risk.
Do you accept my insurance? OTC items may not be covered; enter your details at checkout to see if benefits apply.
Sources & review
- Drug Facts Label: Cetirizine (OTC)
- NIH MedlinePlus: Cetirizine
- Professional allergy guidelines (selected)
Reviewed by Judy Doyle, PharmD — Licensed Pharmacist (NPI 1699814004) · Last updated
Price & insurance estimator
Reviewed by our pharmacist
Judy Doyle, PharmD — Licensed Pharmacist (NPI 1699814004).
Cetirizine is effective for seasonal allergies and hives with once-daily dosing. If you feel drowsy, consider evening use or ask about alternatives like loratadine. For children, we’ll help you select the right form and measure accurately.
How to spot a legitimate online pharmacy
- Requires a valid U.S. prescription for Rx medications (OTC sold appropriately).
- Displays state pharmacy license and physical address.
- Has NABP Digital Pharmacy or state board verification.
- Secure checkout; clear privacy practices (HIPAA).
- Offers pharmacist consultation.
Verify licenses with your state board or NABP listings.