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Levofloxacin

Brand: Levaquin

Fluoroquinolone antibioticUsed for: Bacterial infectionsAnti-Infectives
Key warning

Boxed warning: tendinitis and tendon rupture, nerve damage, CNS effects; avoid in myasthenia gravis

Common side effects

  • Nausea
  • Diarrhea
  • Headache
  • Dizziness
  • Trouble sleeping

Key interactions & cautions

  • Antacids and iron reduce its absorption
  • Increased tendon risk with corticosteroids
  • May raise blood sugar effects of diabetes drugs
  • Can prolong the heart's QT interval

Counseling points

  • Separate from antacids, calcium, and iron
  • Report tendon pain or swelling
  • Stay hydrated and avoid excess sun
  • Finish the full course
  • Report numbness or tingling

High-yield study aid for exam prep — not a substitute for the package insert or a pharmacist’s dispensing reference.