Insulin

Also known as: Human Insulin, Regular Insulin, NPH, Insulin Glargine

System: AllopathyClass: Hormone (Antidiabetic)Composition: Human Or Analogue InsulinPrescription: Prescription OnlyEssential medicine (NLEM): Yes

Insulin replaces or supplements the body own insulin; it is essential in type 1 diabetes and used in many people with type 2 diabetes and in pregnancy.

Common brands

  • Human Actrapid
  • Huminsulin
  • Lantus
  • Basalog

Dosage forms

  • Vial
  • Pen
  • Cartridge

Uses

  • Type 1 diabetes
  • Type 2 diabetes
  • Gestational diabetes
  • Diabetic emergencies

How it works

Moves glucose from blood into cells.

How to take

Inject under the skin as taught; rotate sites; check sugar regularly.

Common side effects

  • Low blood sugar
  • Weight gain
  • Injection site lumps

Serious side effects — get medical help

  • Severe hypoglycaemia
  • Low potassium

Who should not take it

  • During a low-sugar episode

Interactions

  • Alcohol
  • Beta-blockers
  • Steroids raise sugar

Pregnancy & breastfeeding

Preferred treatment for diabetes in pregnancy.

Alcohol & driving

Check sugar before driving; carry glucose.

Storage

Unopened in fridge (2-8°C), never freeze; in-use pen at room temperature as per label.

Used for these conditions

Prescribed by

Brands available in India

Frequently asked questions

What is Insulin used for?

Type 1 diabetes, Type 2 diabetes, Gestational diabetes, Diabetic emergencies

What are the side effects of Insulin?

Low blood sugar, Weight gain, Injection site lumps

How should I take Insulin?

Inject under the skin as taught; rotate sites; check sugar regularly.

Who should not take Insulin?

During a low-sugar episode

Medically reviewed by

Medical review pending

Last updated

9 October 2026

Sources

  • National List of Essential Medicines (NLEM) 2022, MoHFW
  • National Formulary of India, Indian Pharmacopoeia Commission
  • CDSCO approved drug information

This information is for general awareness and does not replace advice from a qualified doctor. Do not start, stop or change any medicine without medical advice.

This information is for general awareness and does not replace advice from a qualified doctor. Do not start, stop or change any medicine without medical advice.