Losartan (Cozaar)

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

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CardiacRenal / Urinary / Electrolytesneeds review

Losartan (Cozaar)

ATI class: ARB / Angiotensin II receptor blocker

Action

  • Blocks angiotensin II receptor effects so vessels relax and aldosterone effect decreases.

Therapeutic use

  • Hypertension
  • Kidney protection in selected clients
  • Heart failure support when ordered

Nursing assessment

  • Monitor blood pressure, potassium, creatinine, pregnancy status, and angioedema symptoms.

Administration

  • Verify route against the order and source table.

Side effects

  • Dizziness
  • Fatigue

Adverse effects

  • Hyperkalemia
  • Hypotension
  • Angioedema
  • Kidney function decline

Interactions

  • Potassium supplements
  • Salt substitutes
  • Potassium-sparing diuretics
  • NSAIDs
  • Lithium

Contraindications

  • Pregnancy
  • Hypersensitivity

Precautions

  • Use caution with renal artery stenosis, kidney disease, and volume depletion.

Client teaching

  • Avoid potassium salt substitutes unless approved.
  • Report facial/lip/tongue swelling, pregnancy, fainting, or low urine output.

Medication outcomes

  • Therapeutic response with no priority adverse effects.

Antidote / rescue

  • No specific antidote is seeded; hold/question unsafe doses and manage toxicity per provider, facility, or poison-control guidance.

NCLEX priority cues

  • Pregnancy is a hard stop for ACE/ARB teaching.
  • Angioedema is an airway priority.
  • Potassium must be monitored.

Medication classes

ACE inhibitors / ARBs

Source attribution

Engage_MedTable_Losartan (2).pdf
ati-pdf
Google Drive source topic: Hypertension
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
ACE inhibitors / ARBs

Reduces angiotensin effect so vessels relax and aldosterone-driven sodium and water retention decreases.

ATI cueAdverse Effect
Angioedema

ATI medication adverse effect concept.

ATI cueNCLEX Priority Cue
Angioedema is an airway priority.

ATI medication nclex priority cue concept.

ATI cueClass
Angiotensin II receptor blocker

ATI medication class concept.

ATI cueClass
ARB

ATI medication class concept.

ATI cueClient Teaching
Avoid potassium salt substitutes unless approved.

ATI medication client teaching concept.

ATI cueMechanism of Action
Blocks angiotensin II receptor effects so vessels relax and aldosterone effect decreases.

ATI medication mechanism of action concept.

ATI cueSide Effect
Dizziness

ATI medication side effect concept.

ATI cueSide Effect
Fatigue

ATI medication side effect concept.

ATI cueTherapeutic Use
Heart failure support when ordered

ATI medication therapeutic use concept.

ATI cueAdverse Effect
Hyperkalemia

ATI medication adverse effect concept.

ATI cueContraindication
Hypersensitivity

ATI medication contraindication concept.