Insulin Glargine Side Effects

Like all medications, Insulin Glargine can cause side effects. Most people do not experience serious adverse effects, but it is important to know what to look for and when to seek medical care.

Common Side Effects

→Hypoglycaemia (low blood glucose — most important side effect)
→Injection site reactions (lipohypertrophy, lipodystrophy)
→Weight gain
→Oedema on initiation

Serious Side Effects

→Severe hypoglycaemia with loss of consciousness or seizures
→Hypokalaemia with high doses
→Severe local reactions

When to Seek Medical Care

→Loss of consciousness or severe confusion (severe hypoglycaemia — glucagon or IV glucose needed)
→Repeated unexplained hypoglycaemia
→Severe injection site reactions

Safety Note

If you experience any unexpected or concerning symptoms while taking Insulin Glargine, contact your doctor or pharmacist. Do not stop taking Insulin Glargine without medical advice unless you experience a serious adverse reaction.

Frequently Asked Questions

Are side effects from Insulin Glargine common?

Most patients tolerate Insulin Glargine well at therapeutic doses. Common side effects are usually mild and often improve after the first few weeks. Serious side effects are less common but should be reported immediately.

What should I do if I experience side effects from Insulin Glargine?

Mild side effects: discuss with your pharmacist, as many resolve spontaneously. Serious side effects: seek medical care immediately and contact your prescriber. Do not stop Insulin Glargine abruptly for long-term conditions without medical advice.

More About Insulin Glargine

Dosage & Administration

Drug Interactions

Warnings & Precautions

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Medical Disclaimer: This drug reference is provided for informational purposes only and is not a substitute for professional medical advice. Always consult your physician or pharmacist before changing your medication. Information reviewed by the vHospital Editorial Team · Sources: WHO, BNF, FDA prescribing information.