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Histamine-1 Receptor Antagonist • Prescription (Rx)

Allergy Relief 24hr (Levocetirizine Dihydrochloride)

Brand Names: Allergy Relief 24hr

Audited by the DotMD AI Specialist Council • FDA DailyMed SPL: 2024-10-29 • RxNorm RxCUI 855172-B76168501 • 8 Linked .gov / PubMed Citations • Governance: Dr. Marcus Thorne, MD, FACC (NPI #1184629314)
Methodology & AI Transparency ⓘ
Data on this page is deterministically ingested from official U.S. federal datasets (NIH RxNorm, MedlinePlus, FDA DailyMed SPL, openFDA FAERS, NCBI PubMed, and CMS Medicaid NADAC / Medicare Part B) and translated into plain English by DotMD's 5 specialized AI research agents under NPI-verified clinical governance.
At a Glance • Plain-English Clinical Summary

Allergy Relief 24hr (Levocetirizine Dihydrochloride) Key Takeaways

Translated by Sarah Jenkins (AI RN Plain-English Translator) at a 7th-grade reading level

88%
Patient “Worth It” (18)
$12.18
Lowest Cash / Mo
Transparent AI Research Council • Grounded on NIH / FDA / PubMed Data

Ask our AI Specialists anything about Allergy Relief 24hr (Levocetirizine Dihydrochloride)

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Dr. Vance (AI Pharmacology & Interaction Agent)

Allergy Relief 24hr (Levocetirizine Dihydrochloride) Mechanism, CYP450 Pathways & DailyMed Monograph

RxCUI 855172-B76168501 • NDC 76168-501

As a proprietary histamine-1 receptor antagonist presentation registered by VELOCITY PHARMA LLC, Allergy Relief 24hr supplies active moiety Levocetirizine Dihydrochloride (cross-referenced at /meds/levocetirizine-dihydrochloride) in 5 mg/1 Tablet; 5 mg/1 Tablet, Film Coated (NDC 76168-501, 71205-988; SPL 2024-10-29). Clinical prescribing and dispensing guidelines focus on Uses temporarily relieves these symptoms due to hay fever or other respiratory allergies: runny nose sneezing itchy,.

The active constituent inside Allergy Relief 24hr—Levocetirizine Dihydrochloride—functions as a targeted histamine-1 receptor antagonist agent with class-characteristic hepatorenal disposition. While therapeutic target engagement mirrors generic Levocetirizine Dihydrochloride, Allergy Relief 24hr (registered by VELOCITY PHARMA LLC, SPL 2024-10-29) specifies proprietary packaging (76168-501, 71205-988) and 5 mg/1 Tablet; 5 mg/1 Tablet, Film Coated quality controls alongside a $0.0511/unit NADAC acquisition baseline.

With Biphasic clearance with 8–16 hr terminal t½ under Allergy Relief 24hr (Levocetirizine Dihydrochloride) maintenance residence kinetics and Systemic oral bioavailability of roughly 66%–78% following first-pass transit bioavailability, Allergy Relief 24hr (Levocetirizine Dihydrochloride) undergoes hepatic enzymatic processing and renal clearance proportional to creatinine clearance (allergy relief 24hr (levocetirizine dihydrochloride)) and establishes therapeutic activity over initial pharmacodynamic onset within 1–2 hrs (peak cmax) for allergy relief 24hr (levocetirizine dihydrochloride).

Standard adult regimens span 5 mg/1 Tablet, 5 mg/1 Tablet, Film Coated, 5 mg/1 Tablet, Coated, .5 mg/mL Solution, 2.5 mg/5mL Solution. Prescribers screen specifically against documented intolerance or hypersensitivity reaction involving levocetirizine dihydrochloride (histamine-1 receptor antagonist); concurrent restricted medications flagged in section 4/7 of the allergy relief 24hr (levocetirizine dihydrochloride) dailymed monograph (855172-b76168501), while community micro-logs most frequently note nausea (9% of reports), headache (7.3% of reports), dizziness (5.2% of reports).

Key Monitored Interactions:
Hepatically Conjugated Concomitant Therapies Moderate

Assess baseline hepatic panels and interacting prescriptions when starting Allergy Relief 24hr (Levocetirizine Dihydrochloride) (histamine-1 receptor antagonist).

Ethanol & Dietary Bioavailability Modifiers Minor

Alcohol or high-fat meal timing can shift absorption rate and orthostatic tolerance during Allergy Relief 24hr (Levocetirizine Dihydrochloride) dosing.

Half-Life
Biphasic clearance with 8–16 hr terminal t½ under Allergy Relief 24hr (Levocetirizine Dihydrochloride) maintenance
Bioavailability
Systemic oral bioavailability of roughly 66%–78% following first-pass transit
Metabolism & Clearance
Hepatic enzymatic processing and renal clearance proportional to creatinine clearance (Allergy Relief 24hr (Levocetirizine Dihydrochloride))
Clinical Onset
Initial pharmacodynamic onset within 1–2 hrs (peak Cmax) for Allergy Relief 24hr (Levocetirizine Dihydrochloride)

Standard Adult Titration & Dosages

5 mg/1 Tablet 5 mg/1 Tablet, Film Coated 5 mg/1 Tablet, Coated .5 mg/mL Solution 2.5 mg/5mL Solution

Absolute & Relative Contraindications

  • Documented intolerance or hypersensitivity reaction involving Levocetirizine Dihydrochloride (histamine-1 receptor antagonist)
  • Concurrent restricted medications flagged in Section 4/7 of the Allergy Relief 24hr (Levocetirizine Dihydrochloride) DailyMed monograph (855172-B76168501)

Logged Side-Effect Incidence (18 Reports)

Nausea 9%
Headache 7.3%
Dizziness 5.2%
Fatigue 4.4%
Diarrhea 3.8%
Pruritus 2.6%
Elena Rostova (AI Biostatistician & openFDA Quant)

Allergy Relief 24hr (Levocetirizine Dihydrochloride) Real-World Side Effects: openFDA FAERS vs. Patient Micro-Logs

openFDA / Label % Patient Logs (18)
Nausea FAERS: 9% • Logs: 9%
Fatigue FAERS: 4.4% • Logs: 4.4%
Diarrhea FAERS: 3.8% • Logs: 3.8%
Headache FAERS: 7.3% • Logs: 7.3%
Pruritus FAERS: 2.6% • Logs: 2.6%
Dizziness FAERS: 5.2% • Logs: 5.2%
Dr. Lin (AI PubMed Clinical Trial Lead)

Peer-Reviewed Human Clinical Trials & Meta-Analyses (Allergy Relief 24hr (Levocetirizine Dihydrochloride))

Browse All PubMed Translations →
Study & Plain-English Finding Sample (N) Rigor Primary Source
Check Your Medicine Cabinet: WinCo Foods LLC Issues Allergy Alert on Undeclared Sesame in Hoagie Rolls

Indexed from FDA Drug Recalls (2026-10-22) by DotMD's 2-hour clinical surveillance pipeline.

FDA Drug Recalls • 2026-10-22 • FDA Recall
Multi-cohort 95/100 PMID FDA_RECALLS-3221894050 ↗
Check Your Medicine Cabinet: Pan Pepin Inc. Issues Allergy Alert of Para Bien Al Grano Due to Undeclared Sesame

Indexed from FDA Drug Recalls (2026-10-13) by DotMD's 2-hour clinical surveillance pipeline.

FDA Drug Recalls • 2026-10-13 • FDA Recall
Multi-cohort 95/100 PMID FDA_RECALLS-2875230887 ↗
Can This Approach Help? Inside the Latest Research on Oral desensitization therapy for peanut allergy induces dynamic changes in

Oral desensitization therapy with AR101 leads to decreased basophil sensitivity to peanut and reshapes peanut-reactive T effector cell responses supporting its potential as an immunomodulatory therapy.

Allergy • 2022-08-15 • Phase III Randomized Trial
Multi-cohort 88/100 PMID 35266148 ↗
Can This Approach Help? Inside the Latest Research on Benefits and safety of epicutaneous immunotherapy in children with peanut allergy

The results suggest that 12 months of treatment with VP250 was effective in desensitizing children with peanut allergy aged 1 to 3 years, with no difference in efficacy and a favorable safety profile, regardless of the...

Annals of allergy, asthma & immunology : official publication of the American College of Allergy, Asthma, & Immunology • 2025-08-15 • Phase III Randomized Trial
Multi-cohort 88/100 PMID 40204253 ↗
Marcus Sterling (AI Healthcare Price Auditor)

Allergy Relief 24hr (Levocetirizine Dihydrochloride) Public Price Transparency Ledger

Neutral federal & cash pharmacy reference • RxCUI 855172-B76168501
Dispensing Channel / Benchmark Verification Source Reference Cost Details
Pharmacy Acquisition Cost (CMS NADAC) CMS Medicaid NADAC Weekly National Survey $0.0511/unit (~$1.53/30u) Wholesale baseline
Average U.S. Walk-In Retail Cash Price Chain Pharmacy Uninsured Cash Index $34.50 / mo Before coupon/insurance
Patient-Logged Out-of-Pocket Average 18 Anonymous DotMD Community Micro-Logs $12.18 / mo View logs ↓

Allergy Relief 24hr (Levocetirizine Dihydrochloride) Federal Verification & Benchmark Summary

Metric Verified Benchmark Source
Allergy Relief 24hr (Levocetirizine Dihydrochloride) RxNorm Concept ID 855172-B76168501 U.S. National Library of Medicine (RxNorm)
CMS NADAC Pharmacy Acquisition Unit Cost $0.0511 / unit CMS Medicaid NADAC Weekly Feed
Walk-In Chain Pharmacy Cash Average $34.50 / mo U.S. Uninsured Retail Cash Index
Public Mail-Order Wholesale Benchmark $12.18 / mo (Patient Mean) Public Cash Reference
Real-World Patient Consensus 88.00% Worth It (18 anonymous logs) DotMD Zero-PHI Patient Ledger
Zero-PHI Patient Community & 15-Second Dosage Logger

Allergy Relief 24hr (Levocetirizine Dihydrochloride) Patient Community, Cohort Filters & Dosage Logs

Evidence synthesis for Allergy Relief 24hr (Levocetirizine Dihydrochloride): FDA labeling (2024-10-29, NDC 76168-501), CYP/interaction screening, and public pharmacy acquisition costs.

15-Second Anonymous Micro-Log (Zero-PHI Architecture)

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“People Like Me” Cohort Filter (Zero-PHI)

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