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Fiasp (Insulin Aspart)
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Fiasp is a rapid-acting insulin designed to assist diabetics in regulating their blood sugar levels. The drug is authorized by the FDA for treating type 1 and type 2 diabetes in children and adults, providing an effective blood sugar management option.
Fiasp has an active substance called insulin aspart. It is designed to mimic the insulin in your body and control the blood sugar spikes that may occur after taking your meal.

How Does Fiasp Work?
After the injection, Fiasp gets into your bloodstream and starts working immediately by lowering your blood glucose levels.
The medication contains an added ingredient, niacinamide which helps enhance the speed of insulin aspart absorption. The active ingredient, insulin aspart, therefore, enters the bloodstream more rapidly, which results in a quicker onset of action
When Fiasp gets into the bloodstream, it helps the body to absorb glucose faster and convert it into energy. The medication acts further by stopping the liver from producing glucose and lowering blood glucose levels. These two mechanisms help to alleviate symptoms and mitigate diabetes complications after meals.
Fiasp Products
Fiasp products represent an advancement in insulin therapy for patients with diabetes. This medication offers rapid-acting solutions that help to manage post-meal glucose more effectively than traditional insulins. It is available in different forms which are, vials, cartridges, and pre-filled pens.
Fiasp products fall under 3 categories namely:
- Fiasp FlexTouch Pen
- Fiasp Vials
- Fiasp FlexTouch Cartridges
Fiasp FlexTouch Pens
The FlexTouch Pen is a pre-filled device that contains insulin. It comes with a built-in mechanism for the administration of insulin doses, providing a convenient and easy-to-use method for the administration of insulin injections
The pen allows for adjustment of dosing, making it easier to customize insulin doses according to the patient’s needs. The pen.
Fiasp FlexTouch Cartridges
Unlike the pre-filled FlexTouch Pen, these cartridges are intended for use with reusable insulin pens such as NovoPen Echo or NovoPen 6. You can load the cartridge into the pen, which allows for precise insulin dosing.
FlexTouch Cartridges contain Fiasp insulin which provides a convenient way to administer insulin without using syringes and vials.
Fiasp Vials
Vials are small containers that carry the Fiasp insulin solution used with insulin syringes for injection. It contains a specific concentration of Fiasp insulin that is usually expressed in units per mL. Vials offer flexibility in dosing and they are available in different sizes ranging from 10 mL to 20 mL.

Precautions and Warnings With Fiasp
Before starting the medication, be sure to check for the precautions and warnings to avoid any potential adverse effects that may occur when using Fiasp.
- Heart Condition: If you suffer from certain types of heart conditions such as heart failure or heart attack, taking Fiasp may worsen your condition. Inform your doctor before taking the drug.
- Alcohol: Avoid taking alcohol while under this medication because it may interfere with the effectiveness of Fiasp in regulating blood sugar levels.
- Hyperglycemia and Ketoacidosis: Using Fiasp may cause you to develop hyperglycemia and ketoacidosis in case your insulin pump malfunctions while using Fiasp medication.
- Low Potassium Levels: Patients having pre-existing low potassium levels may experience worsening of the condition. Discontinue the medication immediately if you experience any symptoms of low potassium level.
- Avoid Sharing Prefilled Pens: Do not share Fiasp prefilled pens like PenFill cartridge devices among individuals, even after changing the needles. This is because it may increase the risk of transmitting blood-borne pathogens.
- Hypersensitivity: Patients may experience hypersensitivity when using the drug. You should discontinue the medication if you experience any signs and symptoms of hypersensitivity.
- Allergic Reactions: Fiasp can potentially trigger severe or life-threatening allergic reactions, such as anaphylaxis. Before being given the medication, inform your doctor if you have any allergic reactions.

Fiasp Side Effects
Fiasp may come with potential side effects. Understanding these side effects is crucial for both healthcare professionals and patients, as it helps doctors optimize patient care by balancing the benefits over the potential risks associated with this rapid-acting insulin formulation.
Common Side Effects
- Confusion
- Blurred vision
- Drowsiness
- Swelling of your feet, legs, and hands
- Nausea
- Fever
- Runny nose
Severe Side Effects
- Depression
- Anxiety
- Seizures
- Slurred speech
- Fast or irregular heartbeat
- Restless sleep
- Rapid weight gain

Drug Interactions With Fiasp
The potential for drug interaction of Fiasp with other medications is a critical consideration when prescribing the medication. Understanding how Fiasp interacts with other drugs is important for optimizing therapeutic outcomes and minimizing adverse effects.
| Drug | Interaction |
| Thiazolidinediones e.g., pioglizatone | Using Fiasp while taking Thiazolidinediones medications may potentiate the effects of insulin. This can lead to an increased risk of hypoglycemia or heart failure symptoms. |
| Glipizide | Combining glipizide and Fiasp may lower blood glucose levels, potentially intensifying symptoms such as tremors, hunger, and confusion as a result of low blood sugar levels. |
| Prednisone | Concurrent administration of these two medications increases the risk of developing diabetic ketoacidosis accompanied by symptoms like abdominal pain and polyuria. |
| Phenelzine | The interaction between phenelzine and Fiasp increases the risk of severe hypoglycemia. You may also experience side effects such as dizziness and hypertensive crises. |
| Lisinopril | Taking Lisinopril with Fiasp can lead to an increased risk of hypoglycemia, as well as potential adverse effects such as hyperkalemia, dizziness, and cough. |

Strengths and Dosages of Fiasp
Your doctor will prescribe the medication based on a few key factors such as your age, weight, severity of your condition, current blood sugar level, and any other medication you are currently taking.
| Weight | Type of diabetes | Dosing | No. of times a day | ||
| Type 1 | Type 2 | Minimum dosage | Maximum dosage | ||
| 1kg | X | 0.4 unit | 1 unit | Once per day | |
| 70 kgs | X | 28 units | 70 units | Once per day | |
| 1kg | X | 0.3 unit | 0.5 unit | Once per day | |
| 70 kgs | X | 21 units | 35 units | Once per day |
Children with diabetes also receive the same dosage as adults depending on factors such as their body weight, the severity of their diabetes, and other medicines that they are currently taking.
Your doctor might make changes to your dosage as needed to find the most effective diabetes management plan for you.

Fiasp Alternatives
Fiasp stands as a pivotal option for patients seeking rapid-acting insulin therapy. Alternative medications exist, each offering a distinct mechanism and advantage in the search to manage blood sugar levels.
- Ozempic: It is a type of GLP-1 receptor agonist. It helps lower blood sugar levels by stimulating insulin secretion, inhibiting glucagon secretion, and promoting satiety, which may lead to weight loss in some patients.
- Novolog: Novolog is a rapid insulin analog that regulates blood sugar levels by facilitating glucose uptake into cells after meals.
- Other Alternatives: Other alternative medications are Humalog, Apidra, Lantus, Levemir, Trulicity, and Toujeo.

FAQs of Fiasp
What is Fiasp insulin?
Fiasp insulin is a type of rapid-acting insulin used to control blood sugar levels in patients suffering from diabetes. It is formulated to address post-meal glucose spikes more efficiently than conventional rapid-acting insulins.
Who makes Fiasp?
Fiasp insulin is manufactured by Novo Nordisk, a pharmaceutical company specializing in diabetes care.
How long does Fiasp last?
Use Fiasp 2 minutes before eating or 20 minutes after eating. The peak of the medication occurs between 1 and 3 hours after injection, and its effects typically last for 3 to 5 hours.
How long does Fiasp last out of the fridge?
Once opened, vials, cartridges, and pens of Fiasp insulin can be stored at room temperature and remain viable for 28 days.
How fast does Fiasp work?
You have the flexibility to administer the drug at the beginning of your meal or up to 20 minutes after the meal. Fiasp enters your bloodstream in approximately 2.5 minutes.
How long does Fiasp take to work?
Once administered, Fiasp reaches its maximum effectiveness within 1 to 3 hours and it continues to work for 3 to 5 hours.
How long does Fiasp stay in your system?
The medication remains in your system for approximately 4 to 6 hours, meaning you may experience side effects throughout the duration as well.
How is Fiasp different from Novolog?
| Fiasp | Novolog |
| Faster onset action enters the bloodstream within 2.5 minutes after injection. | Slow onset action, enters the bloodstream within 5 to 10 mins. |
| Contains additives such as niacinamide. | Does not contain additives. |
| Can be injected just before or up to 20 minutes after taking your meal. | Strictly injected 5 to 10 minutes before meals. |
What is the cost of Fiasp in America?
Fiasp injectable solution 100 units typically cost around $314 for a 10-milliliter supply. The price can differ based on the pharmacy you go to. These rates apply to customers paying with cash and may not be compatible with insurance plans.
Our Guarantee For Buying Fiasp From A Canadian Pharmacy Partner
At MyRx Outlet, we are committed to delivering safe, high-quality medications that you can trust. We adhere to strict regulations in every country we operate in, ensuring that your order is handled by a licensed Canadian pharmacy or a trusted partner overseas. Each medication has been legally approved by Health Canada or other respected authorities. To purchase Fiasp at a discounted rate, call 1-888-551-2467.
IMPORTANT NOTE: The information provided here is for educational purposes only and is not intended to serve as medical advice, diagnosis, or treatment recommendations. It should not be taken as an endorsement of any specific medication or treatment. Individual health conditions and responses to treatment can vary greatly; therefore, this information should not be seen as a guarantee of safety, suitability, or effectiveness for any particular individual. Always consult with a healthcare professional for personalized medical advice and before making any decisions regarding your health or treatment plans.