Prescription requiredAntidiabetic

Novomix 30 Flexpen 100iu/ml Injection — Side Effects & Warnings

Known side effects of Novomix 30 Flexpen 100iu/ml Injection include Hypoglycaemia (low blood sugar), injection site reactions (redness/swelling/itching), lipodystrophy (lumps or skin thickening), weight gain, oedema, allergic reactions (rash/urticaria). Not everyone experiences these side effects.

Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated June 2026

Common Side Effects

Hypoglycaemia (low blood sugar)
injection site reactions (redness/swelling/itching)
lipodystrophy (lumps or skin thickening)
weight gain
oedema
allergic reactions (rash/urticaria)

This is not an exhaustive list. Consult your doctor if you notice any unusual symptoms.

Important Warnings

Risk of hypoglycaemia—do not skip meals; carry glucose/sugar; caution while driving/operating machinery. Dose adjustments may be needed in kidney or liver impairment, during illness, changes in diet/exercise, or when switching from other insulins. Do not use if solution appears clumpy/precipitated or after expiry; do not share pens/needles. Seek urgent help for severe allergy or recurrent severe hypoglycaemia.

Drug Interactions

Novomix 30 Flexpen 100iu/ml Injection may interact with the following:

Other antidiabetic medicines (additive hypoglycaemia)
beta-blockers (may mask hypoglycaemia symptoms)
ACE inhibitors
salicylates
alcohol (increases hypoglycaemia risk)
corticosteroids
thiazide/loop diuretics
thyroid hormones
sympathomimetics
oral contraceptives (may increase glucose)
MAO inhibitors
somatostatin analogues
atypical antipsychotics

Always tell your doctor about all medicines you are taking, including over-the-counter drugs and supplements.

Pregnancy Safety

Consult doctor

Alcohol Interaction

Use with caution

Habit Forming

Storage

Store unopened pens in a refrigerator at 2–8°C; do not freeze; keep away from the freezer compartment. Protect from light (keep cap on). In-use pen can be kept at room temperature (below 30°C) for up to 4 weeks; do not refrigerate in-use pen; keep away from heat and sunlight.

Novomix 30 Flexpen 100iu/ml Injection — Safety Summary

Composition: Insulin aspart 30% (soluble) + insulin aspart protamine (crystallised) 70%, 100 IU/mL
Prescription: Required (Rx)
Pregnancy: Consult doctor
Alcohol: Use with caution
Habit forming: No

Novomix 30 Flexpen 100iu/ml Injection — Safety FAQs

What should I do if I experience side effects?

Mild side effects often resolve on their own. If side effects are severe or persistent, stop the medicine and consult your doctor immediately.

Are all listed side effects common?

No. Some side effects are common while others are rare. Not everyone experiences side effects. Consult your doctor if you are concerned.

Can I take this medicine with other drugs?

Some medicines interact with each other. Always inform your doctor about all medicines you are currently taking.

When should I seek emergency help?

Seek immediate medical attention if you experience severe allergic reactions (difficulty breathing, swelling of face/throat), chest pain, or any life-threatening symptoms.

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Safety disclaimer

This information is for educational purposes only and is not a substitute for professional medical advice. If you experience severe side effects, seek medical attention immediately.

Novomix 30 Flexpen 100iu/ml Injection — Side Effects & Warnings

Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated June 2026