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Insulin aspart

Medication rapid-acting insulin diabetes
Aka: NovoRapid, Fiasp
Brands seen in Singapore: NovoRapid, Fiasp, NovoMix 30, Ryzodeg, Kirsty
Not medical advice. Check with your doctor or pharmacist before you start, stop or change the timing of anything you take.
How to use
What it’s for
HealthHub: to control blood sugar after each meal
When to take
HealthHub: immediately or 15 minutes before a meal
Take with
A meal · HealthHub: alcohol raises the risk of low sugar
Pros & cons
Pros
  • HealthHub: rapid-acting, matched to each meal
  • HealthHub: can be injected soon after a meal if needed
  • US label: dosage individualised to the person's needs
Cons
  • HealthHub: low blood sugar is the main side effect
  • Hh: injection-site lumps, dents, redness or bruising
  • Hh: fridge storage; discarded 4 weeks after opening
Sources
  1. HSA — Listing of Registered Therapeutic Products (data.gov.sg open dataset, 5,511 rows, cached in full and filtered locally) · read 2026-08-27
    what it says
    “All 9 registered insulin aspart products carry 'Prescription Only' — SIN11394P/SIN12189P NOVORAPID PENFILL and FLEXPEN 100 u/ml · FIASP FLEXTOUCH and vial · NOVOMIX 30 · RYZODEG FLEXTOUCH · KIRSTY”
  2. HealthHub (National Medication Information workgroup, SG) — Insulin Aspart: what is this medication for · read 2026-08-27
    what it says
    “Insulin Aspart is a rapid (fast) acting insulin. It is used to control blood sugar levels after each meal.”
  3. HealthHub — Insulin Aspart: how should I use this medication · read 2026-08-27
    what it says
    “Insulin Aspart is usually given immediately or 15 minutes before a meal as an injection into the fatty tissue … If you need to, you can inject immediately or very soon after a meal.”
  4. HealthHub — Insulin Aspart: common side effects · read 2026-08-27
    what it says
    “This medication may cause low blood sugar (hypoglycemia). Symptoms of low blood sugar include: Weakness; Dizziness; Hunger; Sweating; Trembling; Blurred vision; Walking unsteadily; Fast heartbeat”
  5. HealthHub — Insulin Aspart: injection-site reactions · read 2026-08-27
    what it says
    “Some patients may also experience mild pain, redness, bruising, swelling, a small lump or dent of the skin at the injection site.”
  6. HealthHub — Insulin Aspart: how should I store this medication · read 2026-08-27
    what it says
    “Store all unopened insulin in a refrigerator between 2 to 8 degrees Celsius. Do not freeze … Once the insulin has been first used, do not refrigerate … Discard the insulin 4 weeks after opening.”
  7. HealthHub — Insulin Aspart: what precautions should I take · read 2026-08-27
    what it says
    “Are allergic to this medication or any of the other ingredients … Drink alcohol often; Are eating less than usual due to sickness/a changed diet as your dosage may need to be changed; Are travelling across different time zones”
  8. HealthHub — Insulin Aspart: what food or medication should I avoid · read 2026-08-27
    what it says
    “Avoid taking alcohol with this medication as this may increase your risk of having low blood sugar.”
  9. US FDA label for NOVOLOG (insulin aspart injection), section 2 Dosage and Administration, via openFDA (effective 2023-12-15) · read 2026-08-27
    what it says
    “Individualize and adjust the dosage of NOVOLOG based on route of administration, the individual's metabolic needs, blood glucose monitoring results and glycemic control goal”
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Updated 2026-08-29. Every line above traces to a numbered source. Kozen-X is not a medical device and does not give medical advice. It lists what published sources have written down — nothing more. A pair not listed is unrecorded, not cleared. Before you start, stop or re-time anything, talk to your doctor or pharmacist.