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Insulin glargine

Brand: Lantus, Basaglar

Long-acting insulinUsed for: DiabetesEndocrine & Diabetes
Key warning

Caution: do not dilute or mix with other insulins; give as a separate injection

Common side effects

  • Low blood sugar
  • Injection-site reactions
  • Weight gain
  • Redness at injection site

Key interactions & cautions

  • Alcohol can worsen low blood sugar
  • Beta blockers may mask low-blood-sugar symptoms
  • Other diabetes drugs increase low-sugar risk

Counseling points

  • Inject once daily at the same time
  • Do not mix with other insulins in a syringe
  • Rotate injection sites
  • Know signs of low blood sugar
  • Store unopened pens in refrigerator

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