Fiasp (Insulin Aspart)

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Prescription Required

  • Product Details


    FIASP (Insulin Aspart) is a medication prescribed for people with type 1 or type 2 diabetes mellitus. FIASP is an insulin analog that helps to improve glycemic control.

    Patients with diabetes mellitus either (1) do not produce enough insulin to meet their needs, or (2) their bodies are resistant to insulin. FIASP and other insulin products act like regular human insulin to lower blood glucose to healthy levels.


    Inject FIASP under the skin one to three times per day as directed by the doctor. The doctor will determine the dose of FIASP based on blood sugar readings.

    FIASP is a rapid-acting insulin. It should be taken immediately before a meal or within 20 minutes after starting the meal. FIASP works best when injected before the start of a meal, but unlike other rapid-acting insulins, it can be injected up to 20 minutes later if needed.

    Rotate injection sites between the abdomen, upper arm, and thigh to reduce the risk of lipodystrophy.


    Insulin Aspart is the active ingredient in FIASP. 


    Some medications can mask the signs and symptoms of low blood sugar (hypoglycemia). Tell your healthcare provider if you are taking any of the following:

    • Beta-blockers
    • Clonidine
    • Guanethidine
    • Reserpine

    The following medications can affect blood sugar in people with diabetes. Use caution if you take any of these:

    • Alcohol
    • Atypical Antipsychotics
    • Corticosteroids
    • Disopyramide
    • Diuretics
    • Estrogens/Progesterones
    • Fibrates
    • Fluoxetine
    • Isoniazid
    • Lithium
    • Monoamine Oxidase Inhibitors (MAOIs)
    • Niacin
    • Oral antidiabetic agents
    • Pentoxifylline
    • Phenothiazine derivatives
    • Pramlintide
    • Propoxyphene
    • Protease inhibitors
    • Salicylates
    • Somatostatin Analogues
    • Somatropin
    • Sulfonamide Antibiotics
    • Sympathomimetic agents
    • Thyroid replacement medication


    It is essential to become familiar with the signs of hypoglycemia while taking insulin because it can be life-threatening. Some of the most common signs are:

    • Anxiety
    • Confusion
    • Dizziness
    • Fatigue
    • Hunger
    • Irritability
    • Pale skin
    • Sweating
    • Tremor

    Monitor blood sugar regularly while using insulin. Your doctor may ask you to monitor more frequently when you make any changes to the dose, diet, exercise, or medications.

    Tell your doctor if you have a history of problems with the heart, kidneys, or liver.
    FIASP FlexTouch and FIASP PenFill should never be shared between more than one patient.

    Side Effects

    Common adverse reactions to FIASP can include:

    • Allergic reactions
    • Edema
    • Hypoglycemia
    • Injection site reactions
    • Lipodystrophy
    • Pruritis
    • Rash
    • Weight gain


    Fiasp [package insert] Plainsboro, NJ: Novo Nordisk; 2019.

    IMPORTANT NOTE: The above information is intended to increase awareness of health information and does not suggest treatment or diagnosis. This information is not a substitute for individual medical attention and should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. See your health care professional for medical advice and treatment.

    Product Code : 13374

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