Humulin 70/30 Inj, 3ml

Manufacturer LILLY Active Ingredient Insulin NPH and Insulin Regular (Vials)(IN soo lin N P H & IN soo lin REG yoo ler) Pronunciation HYOO-myoo-lin seventy-thirty (IN-soo-lin EN-P-AITCH and IN-soo-lin REG-yoo-ler)
It is used to lower blood sugar in patients with high blood sugar (diabetes).
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Drug Class
Antidiabetic agent
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Pharmacologic Class
Insulin, combination (isophane insulin human/insulin human)
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Pregnancy Category
Category B
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FDA Approved
Oct 1982
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DEA Schedule
Not Controlled

Overview

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What is this medicine?

Humulin 70/30 is a mixture of two types of insulin: NPH (intermediate-acting) and Regular (short-acting). It helps your body use sugar for energy and lowers blood sugar levels. It's used to treat diabetes and is typically injected under the skin before meals.
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How to Use This Medicine

Proper Use of This Medication

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 instruct you on the proper technique.

Preparation and Administration

Before use, this medication must be mixed according to the instructions provided by your doctor. The solution should appear cloudy and milky when ready for use. Do not use the medication if the solution is clear or contains lumps. Additionally, do not use the medication if powder is stuck to the sides of the container.

Take this medication 30 to 45 minutes before meals. Rotate the injection site with each dose to avoid injecting into the same area repeatedly. Avoid injecting into skin that is thickened, has pits or lumps, or is irritated, tender, bruised, red, scaly, hard, scarred, or has stretch marks.

Important Safety Precautions

Do not use the medication if the solution is leaking, has particles, or has changed color. Do not mix this insulin with other types of insulin or liquids in the same syringe. Dispose of needles and other sharp objects in a designated disposal box. Do not reuse needles or other items, and follow local regulations for disposing of the full box.

Special Considerations

If you have questions or concerns, consult your doctor or pharmacist. Be aware of the proper procedures to follow if you skip a meal or do not eat as much as usual. This medication is not suitable for use in an insulin pump. If you have any questions, discuss them with your doctor.

Storage and Disposal

Store unopened containers in the refrigerator, but do not freeze. Do not use the medication if it has been frozen.

Missed Doses

If you miss a dose, follow the instructions provided by your doctor. If you are unsure about what to do, contact your doctor for guidance.
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Lifestyle & Tips

  • Follow your prescribed diet plan consistently.
  • Engage in regular physical activity as advised by your doctor.
  • Monitor your blood glucose levels as instructed and keep a record.
  • Learn to recognize and treat symptoms of low blood sugar (hypoglycemia).
  • Always carry a source of fast-acting sugar (e.g., glucose tablets, juice) for hypoglycemia.
  • Rotate injection sites to prevent skin problems (lipodystrophy).
  • Never share needles, syringes, or insulin pens with others.
  • Store insulin properly (unopened in refrigerator, opened at room temperature for specified duration).

Dosing & Administration

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Adult Dosing

Standard Dose: Highly individualized based on patient's metabolic needs, blood glucose monitoring, and glycemic control goals. Typically administered subcutaneously 30-45 minutes before a meal.

Condition-Specific Dosing:

Type 1 Diabetes: Initial total daily dose often 0.5-1.0 units/kg/day, with 50-70% as Humulin 70/30 (divided into 2 doses).
Type 2 Diabetes: Initial dose typically 0.2-0.6 units/kg/day or 10-20 units once or twice daily, adjusted based on glucose levels.
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Pediatric Dosing

Neonatal: Not established (use single insulin types, highly individualized)
Infant: Not established (use single insulin types, highly individualized)
Child: Highly individualized based on weight, pubertal status, and glycemic control. Often 0.5-1.0 units/kg/day, with 50-70% as Humulin 70/30 (divided into 2 doses).
Adolescent: Highly individualized, often 0.8-1.2 units/kg/day during puberty, with 50-70% as Humulin 70/30 (divided into 2 doses).
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Dose Adjustments

Renal Impairment:

Mild: Dose adjustment may be required; monitor glucose closely.
Moderate: Dose reduction typically required; monitor glucose closely.
Severe: Significant dose reduction required; monitor glucose closely and frequently. Risk of hypoglycemia increased.
Dialysis: Dose reduction required; monitor glucose closely. Insulin clearance may be altered.

Hepatic Impairment:

Mild: Dose adjustment may be required; monitor glucose closely.
Moderate: Dose reduction typically required; monitor glucose closely.
Severe: Significant dose reduction required; monitor glucose closely and frequently. Risk of hypoglycemia increased.

Pharmacology

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Mechanism of Action

Insulin lowers blood glucose by stimulating peripheral glucose uptake, especially by skeletal muscle and fat, and by inhibiting hepatic glucose production. Insulin inhibits lipolysis and proteolysis, and enhances protein synthesis. It facilitates the entry of glucose into cells, primarily muscle and adipose tissue, and promotes the conversion of glucose to glycogen for storage in the liver and muscle.
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Pharmacokinetics

Absorption:

Bioavailability: Variable (subcutaneous administration)
Tmax: Regular Insulin: 2-5 hours; NPH Insulin: 6-12 hours
FoodEffect: Administered 30-45 minutes before a meal to coincide with postprandial glucose rise.

Distribution:

Vd: Approximately 0.1 L/kg
ProteinBinding: Low (negligible)
CnssPenetration: Limited

Elimination:

HalfLife: Regular Insulin: 1.5-2 hours; NPH Insulin: 5-10 hours (effective half-life due to absorption kinetics)
Clearance: Approximately 0.8-1.2 L/min (renal and hepatic clearance)
ExcretionRoute: Primarily renal (unchanged insulin and metabolites)
Unchanged: Approximately 50% (renal)
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Pharmacodynamics

OnsetOfAction: Regular Insulin: 30-60 minutes; NPH Insulin: 1-2 hours
PeakEffect: Regular Insulin: 2-5 hours; NPH Insulin: 6-12 hours
DurationOfAction: Regular Insulin: 6-8 hours; NPH Insulin: 18-24 hours (overall Humulin 70/30 duration is up to 24 hours)
Confidence: Medium

Safety & Warnings

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Side Effects

Urgent Side Effects: Seek Medical Help Right Away

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 immediate medical attention:

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, so it's essential to seek help right away.
Signs of low potassium levels, including:
+ Muscle pain or weakness
+ Muscle cramps
+ An irregular heartbeat
Thick skin, pits, or lumps at the injection site
Swelling in the arms or legs
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, contact your doctor immediately. If you have low blood sugar, follow the instructions you've been given, 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. However, many people do not experience any side effects or only have mild ones. If you notice any of the following side effects or any other unusual symptoms, contact your doctor or seek medical help:

Weight gain
Irritation at the injection site

This is not a comprehensive list of all 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.
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Seek Immediate Medical Attention If You Experience:

  • Symptoms of low blood sugar (hypoglycemia): sweating, shakiness, dizziness, confusion, hunger, irritability, headache, blurred vision, rapid heartbeat.
  • Symptoms of high blood sugar (hyperglycemia): increased thirst, frequent urination, fatigue, blurred vision, headache.
  • Symptoms of allergic reaction: rash, itching, swelling of face/tongue/throat, severe dizziness, trouble breathing.
  • Symptoms of heart failure (rare, with TZDs): unusual weight gain, swelling in ankles/feet, shortness of breath.
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Before Using This Medicine

Before Taking This Medication: Important Information to Share with Your Doctor

It is essential to inform your doctor about the following:

Any allergies you have, including allergies to this medication, any of 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).

This is not an exhaustive list of potential interactions. Therefore, it is crucial to discuss all of your medications, including prescription and over-the-counter (OTC) drugs, natural products, and vitamins, with your doctor and pharmacist. Additionally, share any health problems you have to ensure safe use of this medication.

To guarantee your safety, do not start, stop, or modify the dosage of any medication without first consulting your doctor. This precaution is vital to prevent potential interactions and ensure the effectiveness of your treatment regimen.
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Precautions & Cautions

It is essential to inform all your healthcare providers, including doctors, nurses, pharmacists, and dentists, that you are taking this medication.

Be aware that this drug can cause low blood sugar (hypoglycemia), which may lead to seizures, loss of consciousness, permanent brain damage, and even death if not treated promptly. Discuss this risk with your doctor to understand how to manage it.

Additionally, this medication can cause low blood potassium (hypokalemia), which, if left untreated, may result in abnormal heart rhythms, severe breathing difficulties, and potentially death. Consult your doctor if you have concerns about this risk.

Until you understand how this medication affects you, avoid driving and other activities that require your full attention. Certain diabetes medications, such as pioglitazone or rosiglitazone, may increase the risk of heart failure, especially when used with insulin. If you are taking one of these medications, discuss this risk with your doctor.

Ensure you have the correct insulin product and understand how to measure and prepare your dose, as insulin products come in various containers, including vials, cartridges, and pens. If you have any questions, contact your doctor or pharmacist.

Be aware that stress, such as fever, infection, injury, or surgery, can make it more challenging to control your blood sugar levels. Changes in physical activity, exercise, or diet can also impact your blood sugar control.

Wear a medical alert identification to ensure prompt care in case of an emergency. Monitor your blood sugar levels as directed by your doctor and undergo blood tests as scheduled to ensure your treatment plan is working effectively.

Do not drive if you have experienced low blood sugar, as this can increase your risk of being involved in an accident. Consult your doctor before consuming alcohol or using products containing alcohol.

Adhere to the diet and exercise plan recommended by your doctor to maintain optimal blood sugar control. Never share your insulin product, including pens, cartridge devices, needles, or syringes, with another person, even if the needle has been changed, as this can transmit infections.

If you are 65 or older, use this medication with caution, as you may be more susceptible to side effects. Inform your doctor if you are pregnant, plan to become pregnant, or are breastfeeding, as you will need to discuss the potential benefits and risks to you and your baby.
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Overdose Information

Overdose Symptoms:

  • Severe hypoglycemia (very low blood sugar)
  • Confusion
  • Seizures
  • Loss of consciousness
  • Hypokalemia (low potassium levels)

What to Do:

Immediately consume fast-acting carbohydrates (e.g., glucose tablets, juice, candy). For severe hypoglycemia, glucagon injection may be needed. Seek immediate medical attention. Call 1-800-222-1222 (Poison Control).

Drug Interactions

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Major Interactions

  • Beta-blockers (may mask symptoms of hypoglycemia, prolong recovery from hypoglycemia)
  • Thiazolidinediones (TZDs) - e.g., pioglitazone, rosiglitazone (increased risk of fluid retention and heart failure when co-administered with insulin)
  • Alcohol (can potentiate hypoglycemic effect)
  • Certain atypical antipsychotics (e.g., clozapine, olanzapine) (may cause hyperglycemia)
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Moderate Interactions

  • Oral antidiabetic agents (sulfonylureas, metformin, GLP-1 agonists, SGLT2 inhibitors, DPP-4 inhibitors) (increased risk of hypoglycemia)
  • Corticosteroids (may increase blood glucose, requiring higher insulin doses)
  • Diuretics (thiazide and loop diuretics) (may cause hyperglycemia)
  • Sympathomimetics (e.g., decongestants, bronchodilators) (may increase blood glucose)
  • Niacin (may increase blood glucose)
  • Protease inhibitors (may affect glucose metabolism)
  • Salicylates (e.g., aspirin in high doses) (may enhance hypoglycemic effect)
  • ACE inhibitors (may enhance hypoglycemic effect)
  • Somatostatin analogs (e.g., octreotide) (may affect insulin secretion and glucose levels)
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Minor Interactions

  • Certain antidepressants (MAOIs, SSRIs) (may affect glucose metabolism)
  • Thyroid hormones (may affect glucose metabolism)

Monitoring

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Baseline Monitoring

HbA1c

Rationale: To establish baseline glycemic control and guide initial dosing.

Timing: Prior to initiation of therapy.

Fasting Plasma Glucose (FPG)

Rationale: To establish baseline glucose levels.

Timing: Prior to initiation of therapy.

Renal function (SCr, eGFR)

Rationale: To assess kidney function, as insulin clearance is partly renal and dose adjustments may be needed.

Timing: Prior to initiation and periodically thereafter.

Hepatic function (ALT, AST)

Rationale: To assess liver function, as insulin metabolism occurs in the liver and dose adjustments may be needed.

Timing: Prior to initiation and periodically thereafter.

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Routine Monitoring

Self-Monitoring Blood Glucose (SMBG)

Frequency: Multiple times daily (e.g., pre-meal, post-meal, bedtime, overnight) as directed by healthcare provider.

Target: Individualized (e.g., 80-130 mg/dL pre-meal, <180 mg/dL 2 hours post-meal)

Action Threshold: Hypoglycemia (<70 mg/dL), Hyperglycemia (>180-250 mg/dL depending on target)

HbA1c

Frequency: Every 3-6 months (or more frequently if glycemic control is suboptimal)

Target: Individualized (e.g., <7% for most adults)

Action Threshold: Above target range indicates need for dose adjustment or therapy change.

Signs and symptoms of hypoglycemia/hyperglycemia

Frequency: Daily, ongoing

Target: N/A

Action Threshold: Presence of symptoms requires immediate action (e.g., glucose intake for hypoglycemia, insulin adjustment for hyperglycemia).

Injection site inspection

Frequency: Daily

Target: N/A

Action Threshold: Presence of lipodystrophy, redness, swelling, or pain requires site rotation or medical evaluation.

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Symptom Monitoring

  • Hypoglycemia: sweating, shakiness, dizziness, confusion, hunger, irritability, headache, blurred vision, rapid heartbeat, anxiety, weakness, slurred speech, seizures, unconsciousness.
  • Hyperglycemia: increased thirst, increased urination, fatigue, blurred vision, headache, nausea, vomiting, fruity breath odor (ketoacidosis).

Special Patient Groups

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Pregnancy

Insulin is the preferred treatment for diabetes in pregnancy (pre-existing or gestational diabetes) due to its efficacy and safety profile. It does not cross the placenta in significant amounts. Close monitoring of blood glucose is essential.

Trimester-Specific Risks:

First Trimester: No known teratogenic effects. Tight glycemic control is crucial to prevent congenital anomalies.
Second Trimester: Insulin requirements may increase due to hormonal changes.
Third Trimester: Insulin requirements typically continue to increase. Close monitoring for hypoglycemia and hyperglycemia is vital.
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Lactation

Insulin is compatible with breastfeeding. It is a large protein molecule and is not excreted into breast milk in clinically significant amounts. Insulin requirements may change during lactation.

Infant Risk: L1 (Safest - no increase in adverse effects in infants).
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Pediatric Use

Dosing must be highly individualized and adjusted frequently based on growth, pubertal status, activity levels, and carbohydrate intake. Close monitoring for hypoglycemia is crucial, especially in younger children who may not recognize symptoms. Education of parents/caregivers is vital.

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Geriatric Use

Older adults may be more susceptible to hypoglycemia due to impaired renal/hepatic function, polypharmacy, and reduced counter-regulatory responses. Dosing should be conservative, and glycemic targets may be less stringent to avoid hypoglycemia. Close monitoring of blood glucose and renal function is important.

Clinical Information

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Clinical Pearls

  • Humulin 70/30 is a fixed-ratio combination; it cannot be adjusted for its individual components. If a patient needs more rapid-acting or more intermediate-acting insulin, a different regimen (e.g., basal-bolus) may be more appropriate.
  • Always inspect the vial for clarity (Regular insulin should be clear, NPH should be cloudy). Humulin 70/30 should be uniformly cloudy after gentle mixing.
  • Gently roll the vial between palms 10 times and invert 10 times immediately before drawing up the dose to ensure uniform suspension of NPH.
  • Administer 30-45 minutes before a meal to allow the Regular insulin component to start working.
  • Educate patients on proper injection technique, site rotation, and safe disposal of needles/syringes.
  • Stress the importance of consistent meal times and carbohydrate intake to match the insulin's action profile.
  • Patients should always have a source of fast-acting sugar readily available to treat hypoglycemia.
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Alternative Therapies

  • Basal insulins (e.g., insulin glargine, insulin detemir, insulin degludec)
  • Bolus/prandial insulins (e.g., insulin aspart, insulin lispro, insulin glulisine, insulin regular)
  • Oral antidiabetic agents (e.g., metformin, sulfonylureas, DPP-4 inhibitors, SGLT2 inhibitors, GLP-1 receptor agonists)
  • Non-insulin injectable agents (e.g., GLP-1 receptor agonists, amylin analogs)
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Cost & Coverage

Average Cost: $100 - $300 per 10 mL vial (1000 units)
Insurance Coverage: Tier 2 or 3 (varies by plan)
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General Drug Facts

If your symptoms or health issues persist or worsen, it is essential to contact your doctor promptly. To ensure your safety, never share your medication with others or take someone else's medication. Some medications may come with an additional patient information leaflet, so it's a good idea to check with your pharmacist. If you have any questions or concerns about this medication, don't hesitate to discuss them with your doctor, nurse, pharmacist, or other healthcare provider. In the event of a suspected overdose, immediately call your local poison control center or seek emergency medical attention. When seeking help, be prepared to provide detailed information about the overdose, including the substance taken, the amount, and the time it occurred.