Known side effects of Tresiba Penfill include Hypoglycaemia, injection site reactions (pain/redness/swelling), weight gain, oedema, lipodystrophy (lipoatrophy/lipohypertrophy), rash, pruritus. Not everyone experiences these side effects.
This is not an exhaustive list. Consult your doctor if you notice any unusual symptoms.
Important Warnings
Risk of hypoglycaemia (may impair driving/operating machinery); dose adjustments needed with changes in diet/exercise, intercurrent illness, renal/hepatic impairment. Do not use during episodes of hypoglycaemia. Avoid medication errors (confirm insulin name/strength); do not share pens/needles. Monitor for allergic reactions and injection-site lipodystrophy; rotate sites. Use with caution when switching from other insulins—requires close glucose monitoring.
Drug Interactions
Tresiba Penfill may interact with the following:
Other antidiabetics (sulfonylureas
glinides) increase hypoglycaemia risk; beta-blockers may mask hypoglycaemia; corticosteroids
thiazide diuretics
thyroid hormones
sympathomimetics and danazol may increase glucose and insulin needs; ACE inhibitors
MAO inhibitors
salicylates and alcohol may enhance hypoglycaemic effect; pioglitazone with insulin may increase risk of fluid retention/heart failure.
Always tell your doctor about all medicines you are taking, including over-the-counter drugs and supplements.
Pregnancy Safety
Consult doctor (insulin is used in pregnancy; dose adjustments and close monitoring required)
Alcohol Interaction
Use with caution (may increase risk of hypoglycaemia)
Habit Forming
No
Storage
Unopened: store refrigerated at 2–8°C, do not freeze; keep away from freezer compartment. In-use: may be kept at room temperature (generally below 30°C) or refrigerated as per label; protect from heat and direct light; keep cartridge in carton; discard if frozen or if solution is not clear/colorless.
Tresiba Penfill — Safety Summary
Composition
Insulin degludec 100 IU/mL solution for injection (3 mL cartridge)
Prescription
Required (Rx)
Pregnancy
Consult doctor (insulin is used in pregnancy; dose adjustments and close monitoring required)
Alcohol
Use with caution (may increase risk of hypoglycaemia)
Habit forming
No
Tresiba Penfill — 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.
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.
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