Loratadine (Claritin)

ATI-format individual drug card with NCLEX-focused assessment, safety, teaching, and source attribution.

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Loratadine (Claritin)

ATI class: Antihistamine / Second-generation H1 receptor antagonist

Action

  • Blocks peripheral H1 histamine receptors with less CNS sedation than first-generation agents.

Therapeutic use

  • Seasonal allergic rhinitis
  • Perennial allergic rhinitis
  • Chronic urticaria

Nursing assessment

  • Assess allergy symptoms and rule out airway compromise or anaphylaxis.
  • Check for duplicate antihistamine use in OTC cold/allergy products.
  • Monitor for headache, dry mouth, or unexpected sedation.

Administration

  • PO
  • Chewable tablet
  • Oral disintegrating tablet
  • Oral solution

Side effects

  • Headache
  • Dry mouth
  • Fatigue
  • Drowsiness is less common

Adverse effects

  • Hypersensitivity
  • Severe sedation when combined with other CNS depressants

Interactions

  • Alcohol
  • Other sedating medications
  • Other antihistamines

Contraindications

  • Hypersensitivity

Precautions

  • Use caution with significant liver or kidney impairment when dose adjustment is ordered.

Client teaching

  • Take as directed and avoid stacking multiple allergy products.
  • Report swelling, wheezing, hives with breathing symptoms, or severe rash.
  • Use non-drug allergy controls such as trigger reduction when appropriate.

Medication outcomes

  • Reduced sneezing, itching, rhinorrhea, and hives

Antidote / rescue

  • No specific antidote is seeded; treat severe allergy or overdose supportively.

NCLEX priority cues

  • Second-generation does not mean zero sedation risk.
  • Anaphylaxis symptoms require emergency response rather than another allergy tablet.
  • OTC duplication is the testable safety check.

Medication classes

Antihistamines

Source attribution

Engage_MedTable_Loratadine.pdf
ati-pdf
Google Drive source topic: Over-the-counter meds
google-drive
Sentinel pharmacology API reference
sentinel-api
Manual ATI-format NCLEX normalization
manual-seed

Related study cards

Shows the medication class, ATI cues, source references, and connected study cards for this drug.

12 study links
Med classmedication class
Antihistamines

Blocks histamine effects; first-generation agents also cause sedation and anticholinergic drying.

ATI cueInteraction
Alcohol

ATI medication interaction concept.

ATI cueNCLEX Priority Cue
Anaphylaxis symptoms require emergency response rather than another allergy tablet.

ATI medication nclex priority cue concept.

ATI cueClass
Antihistamine

ATI medication class concept.

ATI cueNursing Assessment
Assess allergy symptoms and rule out airway compromise or anaphylaxis.

ATI medication nursing assessment concept.

ATI cueMechanism of Action
Blocks peripheral H1 histamine receptors with less CNS sedation than first-generation agents.

ATI medication mechanism of action concept.

ATI cueNursing Assessment
Check for duplicate antihistamine use in OTC cold/allergy products.

ATI medication nursing assessment concept.

ATI cueAdministration Route
Chewable tablet

ATI medication administration route concept.

ATI cueTherapeutic Use
Chronic urticaria

ATI medication therapeutic use concept.

ATI cueSide Effect
Drowsiness is less common

ATI medication side effect concept.

ATI cueSide Effect
Dry mouth

ATI medication side effect concept.

ATI cueSide Effect
Fatigue

ATI medication side effect concept.