Insulin Aspart Penfill Inj, 3ml
Overview
What is this medicine?
How to Use This Medicine
To use this medication correctly, follow your doctor's instructions and read all the information provided. This medication is administered via injection into the fatty tissue of the skin in the upper arm, thigh, buttocks, or stomach area. If you will be self-administering the injection, your doctor or nurse will provide guidance on the proper technique.
Administration Instructions
Inject the dose within 5 to 10 minutes before a meal.
Rotate the injection site each time to avoid tissue damage.
Before injecting, remove all pen needle covers (there may be two).
If you are unsure about the type of pen needle you have or how to use it, consult your doctor.
After use, replace the cap on the pen.
Note that the device may produce a clicking sound when preparing the dose. However, do not rely on the clicks to determine the dose, as this could result in an incorrect dose.
Remove the needle after each injection and do not store the device with the needle attached.
Do not transfer this medication from the pen to a syringe or mix it with other types of insulin.
Storage and Disposal
Store unopened containers in the refrigerator.
Do not freeze the medication, and do not use it if it has been frozen.
Missed Dose
If you miss a dose, be aware of the steps to take.
If you are unsure about what to do in the event of a missed dose, contact your doctor for guidance.
Lifestyle & Tips
- Always check your blood sugar levels as directed by your doctor.
- Follow your prescribed diet plan and exercise regularly.
- Rotate injection sites to prevent skin problems (e.g., lipodystrophy).
- Never share insulin pens or needles with others, even if the needle is changed.
- Carry a source of fast-acting sugar (e.g., glucose tablets, juice) to treat low blood sugar.
- Inform your healthcare provider about all medications, supplements, and herbal products you are taking.
Available Forms & Alternatives
Available Strengths:
- Insulin Aspart 100/ml Inj,10ml
- Insulin Aspa Mix 70/30 Inj Sus 10ml
- Insulin Aspart Penfill Inj, 3ml
- Insulin Aspart Flexpen Inj, 3ml
- Insulin Aspa Mix 70/30 Flexpen, 3ml
- Insulin Lispro Junior Kwikpen 5x3ml
- Insulin Lispro Prt Mix 75/25kwikpen
- Insulin Lispro 100u/ml Vial 10ml
- Insulin Lispro 100u/ml Kwikpen 3ml
- Insulin Glarg-Yfgn 100u/ml Sol 10ml
- Insulin Glarg-Yfgn 100u/ml Pen Inj
- Insulin Glarg Solostar Pen Inj 3ml
- Insulin Glargine 100u/ml, 10ml
- Insulin Degludec U100 Inj Vial 10ml
- Insuln Glargne Solstr U300 PN 1.5ml
- Insulin Glarg U300 Max Solstr Inj
Dosing & Administration
Adult Dosing
Condition-Specific Dosing:
Pediatric Dosing
Dose Adjustments
Renal Impairment:
Hepatic Impairment:
Pharmacology
Mechanism of Action
Pharmacokinetics
Absorption:
Distribution:
Elimination:
Pharmacodynamics
Safety & Warnings
Side Effects
While rare, some people may experience severe and potentially life-threatening side effects when taking this medication. If you notice any of the following symptoms, contact your doctor or seek medical attention immediately:
Signs of an allergic reaction, such as:
+ Rash
+ Hives
+ Itching
+ Red, swollen, blistered, or peeling skin with or without fever
+ Wheezing
+ Tightness in the chest or throat
+ Trouble breathing, swallowing, or talking
+ Unusual hoarseness
+ Swelling of the mouth, face, lips, tongue, or throat
Some allergic reactions can be life-threatening.
Signs of low potassium levels, including:
+ Muscle pain or weakness
+ Muscle cramps
+ An irregular heartbeat
Thick skin, pits, or lumps at the injection site
Change in skin color at the injection site
Swelling in the arms or legs
Pain when urinating or blood in the urine
Low blood sugar, which may cause:
+ Dizziness or fainting
+ Blurred vision
+ Mood changes
+ Slurred speech
+ Headache
+ Feeling sleepy or weak
+ Shaking
+ Fast heartbeat
+ Confusion
+ Hunger
+ Sweating
+ Seizures
If you experience any of these symptoms, call your doctor right away. If you have low blood sugar, follow your doctor's instructions, which may include taking glucose tablets, liquid glucose, or some fruit juices.
Other Possible Side Effects
Like all medications, this drug can cause side effects. Many people may not experience any side effects or may only have mild ones. If you notice any of the following side effects or any other symptoms that bother you or do not go away, contact your doctor or seek medical attention:
Weight gain
Irritation at the injection site
Nose or throat irritation
Signs of a common cold
This is not a complete list of possible side effects. If you have questions or concerns about side effects, contact your doctor. You can also report side effects to the FDA at 1-800-332-1088 or online at https://www.fda.gov/medwatch.
Seek Immediate Medical Attention If You Experience:
- Symptoms of low blood sugar (hypoglycemia): sweating, trembling, dizziness, confusion, hunger, irritability, blurred vision, slurred speech, headache, rapid heartbeat. Treat immediately with fast-acting sugar.
- Symptoms of high blood sugar (hyperglycemia): increased thirst, increased urination, fatigue, blurred vision, nausea, vomiting, fruity breath odor. Contact your doctor if severe or persistent.
- Symptoms of serious allergic reaction: rash over the whole body, shortness of breath, wheezing, fast heartbeat, sweating, swelling of your face or tongue, feeling dizzy or faint. Seek immediate medical attention.
- Symptoms of heart failure (if taking with certain diabetes pills like pioglitazone): unusual weight gain, swelling in your ankles or feet, shortness of breath.
Before Using This Medicine
It is essential to inform your doctor about the following:
Any allergies you have, including allergies to this medication, its components, or other substances, such as foods or drugs. Be sure to describe the allergic reaction you experienced, including any symptoms that occurred.
If you have low blood sugar (hypoglycemia), as this may affect your treatment plan.
Additionally, this medication may interact with other health conditions or medications. To ensure your safety, it is crucial to provide your doctor and pharmacist with a comprehensive list of:
All prescription and over-the-counter (OTC) medications you are taking
Any natural products or vitamins you are using
* Your complete medical history, including any health problems you have
Before starting, stopping, or changing the dose of any medication, including this one, you must consult with your doctor to confirm that it is safe to do so. This will help prevent any potential interactions or adverse effects.
Precautions & Cautions
Inform all your healthcare providers, including doctors, nurses, pharmacists, and dentists, that you are taking this medication.
Administration Precautions
Do not inject this medication into skin that is thickened, has pits or lumps, or is irritated, tender, bruised, red, scaly, hard, scarred, or has stretch marks.
Solution Inspection
Before use, check the solution for cloudiness, leakage, or particles. The solution should be clear and colorless. Do not use if the solution has changed color or appears abnormal.
Diet and Exercise
Follow the diet and exercise plan recommended by your doctor. Understand what to do if you miss a meal or do not eat as much as usual.
Low Blood Sugar Risk
This medication can cause low blood sugar, which may lead to seizures, loss of consciousness, permanent brain damage, or even death. Discuss this risk with your doctor.
Low Blood Potassium Risk
This medication can also cause low blood potassium, which may lead to abnormal heart rhythms, severe breathing problems, or death if left untreated. Consult your doctor if you have concerns.
Alertness and Activities
Avoid driving and other activities that require alertness until you understand how this medication affects you.
Interactions with Other Diabetes Medications
If you are taking diabetes medications like pioglitazone or rosiglitazone, using insulin with these drugs may increase the risk of heart failure. Discuss this risk with your doctor if you are taking one of these medications.
Insulin Product Identification
Ensure you have the correct insulin product, as they come in various containers such as vials, cartridges, and pens. Understand how to measure and prepare your dose. If you have questions, consult your doctor or pharmacist.
Blood Sugar Control During Stressful Situations
Stressful situations like fever, infection, injury, or surgery may make it more challenging to control blood sugar levels. Changes in physical activity, exercise, or diet can also affect blood sugar control.
Medical Alert Identification
Wear a medical alert ID to inform others of your condition.
Driving Precautions
Do not drive if you have experienced low blood sugar, as this increases the risk of accidents.
Blood Sugar Monitoring
Monitor your blood sugar levels as directed by your doctor.
Blood Work and Doctor Consultations
Have your blood work checked as recommended by your doctor and discuss the results with them.
Alcohol Consumption
Consult your doctor before consuming alcohol or products containing alcohol.
Insulin Product Sharing
Do not share your insulin product, including pens, cartridge devices, needles, or syringes, with others, as this can transmit infections.
Needle Disposal
Dispose of needles in a needle/sharp disposal box. Do not reuse needles or other items. Follow local regulations for disposing of the box when it is full. If you have questions, consult your doctor or pharmacist.
Special Precautions for Older Adults
If you are 65 or older, use this medication with caution, as you may be more susceptible to side effects.
Pregnancy and Breastfeeding
Inform your doctor if you are pregnant, plan to become pregnant, or are breastfeeding, as you will need to discuss the benefits and risks of this medication for you and your baby.
Overdose Information
Overdose Symptoms:
- Severe hypoglycemia (low blood sugar)
- Hypokalemia (low potassium levels)
- Loss of consciousness
- Seizures
What to Do:
For mild hypoglycemia, consume fast-acting carbohydrates. For severe hypoglycemia, administer glucagon or seek immediate medical attention. Call 1-800-222-1222 (Poison Control) or emergency services.
Drug Interactions
Major Interactions
- Pioglitazone (and other Thiazolidinediones): Increased risk of fluid retention and heart failure.
- Pramlintide: Increased risk of severe hypoglycemia.
Moderate Interactions
- Beta-blockers: May mask symptoms of hypoglycemia (e.g., tremor, palpitations) and delay recovery from hypoglycemia.
- Corticosteroids: May increase blood glucose, requiring higher insulin doses.
- Diuretics (Thiazide and Loop): May increase blood glucose, requiring higher insulin doses.
- Sympathomimetics (e.g., albuterol, epinephrine): May increase blood glucose.
- Atypical antipsychotics (e.g., olanzapine, clozapine): May increase blood glucose.
- Protease inhibitors: May alter glucose metabolism.
- Somatostatin analogs (e.g., octreotide, lanreotide): May decrease or increase insulin requirements.
- Danazol: May increase blood glucose.
- Diazoxide: May increase blood glucose.
- Glucagon: May increase blood glucose.
- Isoniazid: May increase blood glucose.
- Niacin: May increase blood glucose.
- Oral contraceptives: May increase blood glucose.
- Phenothiazines: May increase blood glucose.
- Thyroid hormones: May increase blood glucose.
- Growth hormone: May increase blood glucose.
Minor Interactions
- Alcohol: May potentiate the glucose-lowering effect of insulin, increasing risk of hypoglycemia.
- Salicylates (e.g., aspirin): May enhance the glucose-lowering effect of insulin.
- Sulfonamide antibiotics: May enhance the glucose-lowering effect of insulin.
- ACE inhibitors: May enhance the glucose-lowering effect of insulin.
- Angiotensin Receptor Blockers (ARBs): May enhance the glucose-lowering effect of insulin.
Monitoring
Baseline Monitoring
Rationale: To establish baseline glycemic control and set treatment goals.
Timing: Prior to initiation of therapy
Rationale: To establish baseline glucose levels.
Timing: Prior to initiation of therapy
Rationale: To assess kidney function, as insulin clearance can be affected by renal impairment.
Timing: Prior to initiation of therapy
Rationale: To assess liver function, as insulin metabolism can be affected by hepatic impairment.
Timing: Prior to initiation of therapy
Rationale: To establish baseline, as insulin can cause hypokalemia.
Timing: Prior to initiation of therapy, especially in patients at risk for hypokalemia
Routine Monitoring
Frequency: Multiple times daily (e.g., pre-meal, 2-hour post-meal, bedtime, overnight) as directed by healthcare provider.
Target: Individualized, typically 80-130 mg/dL pre-meal, <180 mg/dL 2-hour post-meal.
Action Threshold: Below target range (hypoglycemia) or above target range (hyperglycemia) requires dose adjustment or intervention.
Frequency: Every 3-6 months (or more frequently if glycemic control is unstable).
Target: Individualized, typically <7% for most adults.
Action Threshold: Above target range indicates need for therapy adjustment.
Frequency: Regularly (e.g., monthly or at each visit).
Target: Maintain healthy weight; monitor for unexpected weight gain.
Action Threshold: Significant or rapid weight gain may indicate fluid retention or over-insulinization.
Frequency: Daily with each injection.
Target: No redness, swelling, lumps, or signs of lipodystrophy.
Action Threshold: Presence of abnormalities requires site rotation or medical evaluation.
Frequency: Periodically, especially in patients at risk for hypokalemia (e.g., on diuretics, severe renal impairment).
Target: 3.5-5.0 mEq/L
Action Threshold: <3.5 mEq/L requires intervention.
Symptom Monitoring
- Symptoms of hypoglycemia (e.g., sweating, trembling, dizziness, confusion, hunger, irritability, blurred vision, slurred speech, headache, rapid heartbeat)
- Symptoms of hyperglycemia (e.g., increased thirst, increased urination, fatigue, blurred vision, nausea, vomiting, fruity breath odor)
- Symptoms of allergic reactions (e.g., rash, itching, swelling, difficulty breathing)
- Symptoms of heart failure (e.g., unusual weight gain, swelling in ankles/feet, shortness of breath)
Special Patient Groups
Pregnancy
Insulin aspart is generally considered safe and is often the preferred insulin for managing diabetes in pregnancy due to its rapid onset and short duration, which helps control postprandial glucose. Close monitoring of blood glucose is essential.
Trimester-Specific Risks:
Lactation
Insulin aspart is compatible with breastfeeding. Insulin is a normal component of breast milk and is not expected to cause adverse effects in a breastfed infant. Insulin requirements may change during lactation.
Pediatric Use
Insulin aspart is approved for use in pediatric patients with diabetes mellitus. Dosing must be individualized based on age, weight, and metabolic needs. Close monitoring for hypoglycemia is crucial, especially in younger children.
Geriatric Use
Use with caution in elderly patients due to increased risk of hypoglycemia, particularly in those with renal or hepatic impairment. Start with lower doses and titrate slowly. Increased monitoring of blood glucose and renal function is recommended.
Clinical Information
Clinical Pearls
- Insulin aspart should be administered 5-10 minutes before a meal or within 20 minutes after starting a meal for optimal postprandial glucose control.
- Always verify the insulin type (rapid-acting, short-acting, intermediate-acting, long-acting) before administration to avoid medication errors.
- Patients should be educated on proper injection technique, including site rotation to prevent lipodystrophy (lumps or depressions at injection sites).
- Never mix insulin aspart with other insulins in the same syringe unless specifically instructed by a healthcare professional (e.g., NPH insulin, but not recommended for Penfill cartridges).
- Stress, illness, or changes in diet or exercise can significantly impact insulin requirements; patients should be advised to monitor blood glucose more frequently during these times.
- Ensure patients understand the symptoms and treatment of hypoglycemia and have a plan for managing it.
Alternative Therapies
- Other rapid-acting insulins: Insulin lispro (Humalog, Admelog, Lyumjev), Insulin glulisine (Apidra)
- Other types of insulin: Regular insulin (short-acting), NPH insulin (intermediate-acting), Insulin glargine (long-acting), Insulin detemir (long-acting), Insulin degludec (ultra long-acting)
- Oral antidiabetic agents (for Type 2 Diabetes): Metformin, Sulfonylureas, DPP-4 inhibitors, SGLT2 inhibitors, GLP-1 receptor agonists, etc.