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Fiasp FlexTouch Pen 100
Fiasp FlexTouch Pen 100

Starting from $99

Order up to a 3-month supply

Fiasp Flex Touch
Insulin Aspart
Select product strength & quantity:

Prescription Required.

Product of Canada.

Shipped from Canada.

Prescription Required.Product of Canada.Shipped from Canada.

What is the Fiasp FlexTouch Pen?

Fiasp FlexTouch Pens 100 are pre-filled insulin pens used to manage high blood sugar in people with diabetes. 

Each pen contains 300 units of rapid-acting insulin called insulin aspart. You can adjust the dose from 1 to 80 units as needed. Fiasp works quickly to help control blood sugar levels after meals. Do not use Fiasp if you have low blood sugar or are allergic to insulin aspart. 

Before using it, discuss your medical conditions, pregnancy plans, and all medications you take with your healthcare provider. They will also guide you on how to manage low blood sugar.

Dosage Information and Usage

Dosage Form and Strengths

Fiasp FlexTouch Pens are used to deliver insulin aspart, a rapid-acting insulin. Each pen contains 3 mL of insulin, with a concentration of 100 units per mL (U-100). This clear, colorless solution is available in other forms like 10 mL multiple-dose vials and PenFill cartridges.


Using the Fiasp FlexTouch Pen is simple if you follow these steps:

  1. Read Instructions: Make sure to read the instructions for using your Fiasp FlexTouch Pen.
  2. Follow Dosage: Use Fiasp exactly as your healthcare provider tells you to.
  3. Timing: Take Fiasp at the start of a meal or within 20 minutes after starting a meal, as it starts acting fast.
  4. Check Insulin: Know the type and strength of your insulin. Only change your insulin type if your healthcare provider advises it.
  5. Inspection: Before using, make sure Fiasp looks clear and colorless. Do not use it if it looks cloudy or has particles.
  6. Injection Sites: Inject Fiasp under the skin of your stomach, upper legs, or upper arms. Rotate injection sites to avoid skin problems.
  7. Administer: Inject Fiasp by dialing the dose in 1-unit increments. If using an insulin pump, follow the pump’s instructions and change the infusion sets and site as recommended.

Important notes to consider for proper usage

  • If you miss a dose, monitor your blood sugar levels to decide if you need an insulin dose. Continue with your regular schedule at the next meal.
  • Regularly check your blood sugar levels. Ask your healthcare provider about your target levels and when to check.
  • Never reuse or share needles. This can cause serious infections.

Storage Information

The Fiasp FlexTouch Pen contains insulin aspart and should be stored properly to ensure its effectiveness. 

Unopened pens should be kept in the refrigerator at a temperature between 2° to 8°C (36° to 46°F) and away from the freezer or freezing compartment. Never freeze Fiasp, and do not use it if it has been frozen. 

Once in use, the Fiasp FlexTouch Pen can be stored at room temperature (below 30°C) or in the refrigerator for up to 28 days. Always keep the cap on the pen to protect it from light. 

Keep unused pens in their original carton to protect them from light and contamination.

Side Effects

Common Side Effects

  • Skin problems such as eczema, rash, itching, redness, and swelling (dermatitis)
  • Reactions at the injection site like itching and rash
  • Skin thickening or pits at the injection site (lipodystrophy)
  • Weight gain

Serious but Rare Side Effects

  • Low blood sugar (hypoglycemia). Symptoms include:
    • Dizziness or light-headedness
    • Blurred vision
    • Anxiety, irritability, or mood changes
    • Sweating
    • Slurred speech
    • Hunger
    • Confusion
    • Shakiness
    • Headache
    • Fast heartbeat
  • Low potassium in your blood (hypokalemia)
  • Serious allergic reactions
    • Rash over your whole body
    • Trouble breathing
    • Fast heartbeat
    • Swelling of your face, tongue, or throat
    • Sweating
    • Extreme drowsiness
    • Dizziness
    • Confusion
  • Heart failure, especially if taking certain diabetes medications called TZDs (thiazolidinediones)
    • Shortness of breath
    • Swelling of your ankles or feet
    • Sudden weight gain

Warnings and Precautions

  • Do not share Fiasp FlexTouch pens or cartridges with others, even if the needle is changed. Sharing can spread blood-borne infections.
  • Changing insulin types, dosages, or injection sites can lead to high or low blood sugar. Monitor blood sugar levels closely and make changes under medical supervision.
  • Hypoglycemia, or low blood sugar is a common side effect of insulin. Severe cases can cause seizures or unconsciousness. Be aware of symptoms like dizziness, sweating, and fast heartbeat, and monitor your blood sugar regularly.
  • Accidental mix-ups with other insulin products can occur. Always check the insulin label before each injection to avoid mistakes.
  • Insulin can lower potassium (hypokalemia) levels in your blood, which can be dangerous. Monitor potassium levels if you are at risk or taking potassium-lowering medications.
  • Serious allergic reactions to insulin, including anaphylaxis, can occur. If you have a severe reaction, stop using FIASP and seek immediate medical help.
  • Medications like Thiazolidinedione (TZDs), when used with insulin, can cause fluid retention and worsen heart failure. Watch for symptoms like shortness of breath and swelling, and consult your doctor if they occur.
  • Malfunctions with insulin pumps can cause high blood sugar and ketoacidosis. Be prepared to use alternative insulin methods if your pump fails.


Too much insulin can cause low blood sugar (hypoglycemia) and low potassium levels (hypokalemia). Mild hypoglycemia can usually be managed by consuming something sugary. You may need to adjust your medication, meals, or exercise routine.

Severe hypoglycemia can lead to coma, seizures, or serious neurological issues and may require emergency treatment with glucagon or concentrated glucose. 

Continuous monitoring and carbohydrate intake might be necessary, as hypoglycemia can recur. Low potassium levels also need to be treated appropriately.

Drug Interactions With Other Medications

Drugs that can raise the risk of low blood sugar

  • Antidiabetic agents, ACE inhibitors, angiotensin II receptor blockers, disopyramide, fibrates, fluoxetine, monoamine oxidase inhibitors, pentoxifylline, pramlintide, salicylates, somatostatin analogs (e.g., octreotide), and sulfonamide antibiotics.
  • These medications can enhance the blood sugar-lowering effects of Fiasp, potentially increasing the risk of hypoglycemia. Patients may need dose adjustments and more frequent monitoring of their blood glucose levels when using these drugs together with Fiasp.

Medications that could reduce the blood sugar-lowering effectivity of Fiasp

  • Atypical antipsychotics (e.g., olanzapine and clozapine), corticosteroids, danazol, diuretics, estrogens, glucagon, isoniazid, niacin, oral contraceptives, phenothiazines, progestogens (e.g., in oral contraceptives), protease inhibitors, somatropin, sympathomimetic agents (e.g., albuterol, epinephrine, terbutaline), and thyroid hormones.
  • These medications may reduce the effectiveness of Fiasp in lowering blood sugar levels. Adjustments in Fiasp dosage and increased monitoring of blood glucose may be necessary when used together.

Medications that can boost or reduce the blood sugar-lowering impact of Fiasp

  • Alcohol, beta-blockers, clonidine, and lithium salts. Pentamidine may cause hypoglycemia, which may sometimes be followed by hyperglycemia.
  • These drugs can either increase or decrease the blood sugar-lowering effects of Fiasp. Close monitoring and possible adjustments in Fiasp dosage may be required to maintain optimal blood glucose control.

Medications that can reduce signs and symptoms of low blood sugar

  • Beta-blockers, clonidine, guanethidine, and reserpine.
  • These medications can mask or reduce the symptoms of hypoglycemia, making it harder for patients to recognize and respond to low blood sugar levels. Increased frequency of blood glucose monitoring is recommended when using these drugs with Fiasp.

Cost & Discounts

Managing diabetes shouldn’t break the bank. In the U.S., the cost of Fiasp FlexTouch Pens can be overwhelming, with prices averaging around $664.18. At Pharma Giant, we strive to make healthcare affordable and accessible for everyone.

Our Fiasp FlexTouch Pens provide a fast-acting insulin solution to enhance your diabetes management at significantly lower prices.

Explore our Fiasp FlexTouch Pen options:

QuantityPrice (USD)
100u/mL – 15 mL$99.00
100u/mL – 30 mL$194.00
100u/mL – 45 mL$288.00
100u/mL – 60 mL$380.00

Exclusive Savings on Fiasp FlexTouch Pens

Reduce your medication costs with Pharma Giant’s exclusive discount. Use promo code FIRST10 at checkout to receive a 10% discount on your Fiasp FlexTouch Pens purchase. This limited-time offer ensures you get high-quality healthcare products at an affordable price. The discount is valid for one-time use per customer, so don’t miss out on this opportunity to save.

Uncompromised Quality and Prompt Delivery

At Pharma Giant, we are dedicated to providing high-quality medications with rapid delivery to your doorstep. Using our express shipping services, you can expect your order within 3-5 business days anywhere in the United States. Each order is carefully packaged in secure containers to ensure your medication arrives safely.

Our Mission

Our mission is to make essential treatments accessible and affordable for everyone, regardless of insurance status. Your health and satisfaction are our top priorities, and we are committed to meeting your needs with the highest standards of quality and reliability.


Fiasp FlexTouch is a type of insulin pen that contains a rapid-acting insulin called insulin aspart. It’s used to help manage blood sugar levels in people with diabetes by controlling spikes in blood sugar after meals. The FlexTouch pen allows for easy and precise dosing, making it convenient for daily insulin administration.

Tips to administer the FlexTouch pen:

  • Check the insulin: Look for particles or discoloration. Do not use if you see any.
  • Clean the site: Wipe the injection area with rubbing alcohol.
  • Rotate sites: Change where you inject each time to avoid skin problems.
  • Choose a site: Inject into your stomach, thigh, or upper arm, avoiding red, swollen, or damaged areas.
  • Warm the insulin: Keep it at room temperature before use to avoid pain.
  • Inject the insulin: Administer under the skin just before or within 20 minutes after starting a meal.
  • Avoid veins and muscles: Do not inject into veins or muscles.
  • Manage timing: Do not use if you can’t eat right after injecting or if you have low blood sugar.
  • After injecting: Do not rub the injection area.

The best time to take Fiasp insulin is right before a meal or within 20 minutes after starting a meal. This timing allows the insulin to work quickly to help manage your blood sugar levels effectively during digestion. 

Yes, Fiasp can be used in an insulin pump. It’s made for use with insulin pumps or automated insulin delivery systems, offering flexibility in managing blood sugar levels for people with diabetes.

Fiasp starts working within 1 to 3 hours after injection and typically lasts for about 3 to 5 hours.

No, Fiasp does not need to be refrigerated before it is opened. However, once a Fiasp FlexTouch pen or vial has been opened and is in use, it should be stored in a refrigerator between 36°F to 46°F (2°C to 8°C). It should be kept away from freezing temperatures and should not be exposed to excessive heat or light. Unopened Fiasp can be stored at room temperature (below 86°F or 30°C) for up to 28 days.

Fiasp and Novolog (insulin aspart) are fast-acting insulins used to control blood sugar levels around meals for people with type 1 and type 2 diabetes. Fiasp starts working faster than Novolog, potentially offering quicker blood sugar control after eating. The choice between Fiasp and Novolog depends on how quickly the insulin needs to act and the personal response to each medication.

Fiasp and Tresiba are insulin medications used to manage blood glucose in diabetes patients, but they have different roles. Fiasp is a rapid-acting insulin (insulin aspart) taken around meals to control blood sugar spikes after eating. Tresiba (insulin degludec), on the other hand, is a long-acting insulin that provides a steady insulin level over a longer period and is usually taken once a day.

The generic name for the Fiasp insulin pen is insulin aspart 100 units/mL.

Fiasp (insulin aspart) is generally considered a good option for controlling blood sugar levels around meal times in both type 1 and type 2 diabetes.