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Medical Disclaimer: This information is for educational purposes only and is not a substitute for professional medical advice.
Brand Name
Intralipid
Generic Name
I.v. Fat Emulsion
Active Ingredient
Soybean OilCategory
Lipid Emulsion [EPC]
Variants
11
This page is for informational purposes only and does not replace medical advice. Before using any prescription or over-the-counter medication for Intralipid, you must consult a qualified healthcare professional.
| 20 g/100mL | EMULSION | INTRAVENOUS | 84549-533 |
| 20 g/100mL | EMULSION | INTRAVENOUS | 0338-0519 |
| 20 g/100mL | EMULSION | INTRAVENOUS | 65219-531 |
| 20 g/100mL | EMULSION | INTRAVENOUS | 65219-533 |
| 20 g/100mL | EMULSION | INTRAVENOUS | 84549-535 |
| 30 g/100mL | EMULSION | INTRAVENOUS | 65219-537 |
Detailed information about Intralipid
Soybean Oil is a sterile lipid emulsion used in parenteral nutrition to provide essential fatty acids and calories to patients who cannot receive adequate oral or enteral nutrition.
For adult patients, the dosage of Soybean Oil is individualized based on the patient's caloric requirements, body weight, and ability to metabolize lipids.
In pediatric patients, particularly neonates, Soybean Oil is vital for growth but must be administered with extreme caution.
While Soybean Oil itself is not primarily cleared by the kidneys, patients with renal impairment often have altered lipid metabolism. Close monitoring of serum triglycerides is essential. In patients with acute kidney injury, fluid restriction may require the use of more concentrated (20% or 30%) emulsions to limit volume intake.
Patients with pre-existing liver disease or Parenteral Nutrition-Associated Liver Disease (PNALD) require careful dosage titration. Excessive lipid administration can exacerbate cholestasis (reduced bile flow). Healthcare providers may reduce the dose or frequency (e.g., 'lipid-free' days) to allow the liver to clear accumulated lipids.
Geriatric patients often have a reduced capacity to clear fat emulsions. Dosing should start at the lower end of the range, and monitoring for hypertriglyceridemia should be more frequent, especially if the patient has underlying cardiovascular disease or diabetes.
Soybean Oil is administered exclusively via intravenous infusion. It can be administered through a peripheral vein (usually the 10% or 20% formulations) or a central venous catheter.
In a hospital setting, missed doses are rare as infusions are managed by automated pumps. If an infusion is interrupted, it should be restarted as soon as possible at the prescribed rate. Do not double the infusion rate to 'catch up,' as this significantly increases the risk of Fat Overload Syndrome.
An overdose of Soybean Oil occurs when the rate of infusion exceeds the body's ability to clear the lipids. Signs of acute overdose include:
In the event of a suspected overdose, the infusion must be stopped immediately. Emergency measures include respiratory support and monitoring of coagulation and liver function. Severe cases may require plasmapheresis to mechanically remove the excess lipids from the blood.
> Important: Follow your healthcare provider's dosing instructions. Do not adjust your dose or attempt to manage the infusion equipment without medical guidance.
Patients receiving Soybean Oil infusions may experience mild systemic reactions, particularly during the initial phase of treatment. These include:
Soybean Oil is a high-alert medication that requires careful clinical oversight. It is not suitable for all patients, particularly those with certain metabolic disorders or severe allergies. Patients must be screened for egg and soy allergies prior to administration, as the emulsifiers used in these products are derived from egg yolks.
As detailed in the side effects section, the FDA requires a warning regarding the risk of pulmonary fat accumulation in premature infants. This risk is highest when the infusion rate is too fast or the infant's metabolic capacity is overwhelmed. Healthcare providers must monitor these patients with extreme vigilance, checking triglyceride levels daily or even more frequently during the initial titration phase.
There are no specific drugs that are absolutely contraindicated with Soybean Oil in terms of systemic pharmacological interaction; however, physical incompatibility is a major concern.
Soybean Oil must NEVER be used in the following situations:
Soybean Oil is generally classified as FDA Pregnancy Category C. There are no adequate and well-controlled studies in pregnant women. However, essential fatty acids are crucial for fetal brain and retinal development.
It is not known whether the components of Soybean Oil emulsion are excreted in human milk in amounts that would affect a nursing infant. However, since the components (soybean oil, egg phospholipids) are standard dietary fats, the risk is considered low. The primary consideration is the health of the mother; if she requires TPN, breastfeeding may be metabolically taxing, and a healthcare provider should be consulted regarding the safety of continued lactation.
Soybean Oil acts as a biological energy substrate and a source of essential fatty acids. The primary molecular mechanism involves the provision of triglycerides, which are hydrolyzed by lipoprotein lipase (LPL) into free fatty acids (FFAs) and glycerol.
Common questions about Intralipid
Soybean Oil is primarily used as a component of intravenous nutrition (parenteral nutrition) for patients who cannot eat or absorb food through their digestive tract. It provides a concentrated source of calories and essential fatty acids that the body cannot make on its own. It is commonly used in hospital settings for patients recovering from major surgery, those with severe intestinal diseases, or premature infants. By providing these fats, it prevents a condition called essential fatty acid deficiency, which can cause skin and growth problems. Your healthcare provider will determine the exact amount needed based on your nutritional requirements.
The most common side effects include fever, chills, nausea, and headache, which often occur if the infusion is running too quickly. Some patients may also experience flushing, dizziness, or a slight increase in their blood triglyceride levels. In some cases, redness or irritation can occur at the site where the IV enters the vein. Most of these symptoms are temporary and can be managed by adjusting the infusion rate. However, you should always report any new or worsening symptoms to your medical team immediately. Monitoring by healthcare professionals ensures these side effects are kept to a minimum.
It is strongly recommended to avoid alcohol while receiving Soybean Oil infusions. Alcohol can significantly increase your blood triglyceride levels, which, when combined with IV lipids, can lead to a dangerous inflammation of the pancreas (pancreatitis). Additionally, alcohol puts extra stress on the liver, which is already working hard to process the intravenous fats. Since many patients receiving Soybean Oil are already in a fragile state of health, alcohol can interfere with the healing process and complicate nutritional management. Always consult your doctor before consuming any alcohol during your treatment course.
Soybean Oil is used during pregnancy when a woman is unable to get enough nutrition through eating, which can happen with severe morning sickness or digestive disorders. While it is classified as Pregnancy Category C, meaning there aren't many large-scale studies, it is often considered necessary because both the mother and the developing baby need essential fatty acids for health and brain development. Your doctor will weigh the benefits of providing nutrition against any potential risks. They will also monitor your lipid levels closely, as pregnancy naturally changes how your body processes fats. It is important to have this discussion with your obstetrician and nutrition team.
Soybean Oil begins providing calories to your body immediately upon starting the intravenous infusion. However, if it is being used to treat a specific condition like Essential Fatty Acid Deficiency (EFAD), it may take 1 to 2 weeks of regular treatment to see improvements in symptoms like skin dryness or rashes. The energy-providing effects are continuous as long as the infusion is running. Because it is delivered directly into the bloodstream, there is no delay caused by digestion. Your medical team will use blood tests to confirm that the lipids are being used effectively by your body.
In most cases, Soybean Oil can be stopped without the 'withdrawal' symptoms associated with some other medications. However, it is usually phased out gradually as a patient begins to eat more food by mouth or through a feeding tube. This ensures that the body continues to receive enough calories and essential fats during the transition. If the infusion is stopped suddenly due to a reaction or infection, your doctor will monitor your blood sugar and energy levels closely. You should never attempt to stop or change the infusion yourself; this must be managed by a healthcare professional. Sudden changes can disrupt your metabolic balance.
Since Soybean Oil is typically administered in a hospital or under the care of a home infusion nurse, missed doses are uncommon. If an infusion is delayed or interrupted, contact your healthcare provider or infusion service immediately for instructions. Do not attempt to 'double up' the dose or increase the infusion speed to make up for the lost time, as this can lead to 'Fat Overload Syndrome,' a serious condition where the blood becomes overwhelmed with fats. The nurse will usually restart the infusion at the normal prescribed rate. Consistency is important for maintaining your nutritional status and energy levels.
Soybean Oil provides 9 calories for every gram of fat, so it is specifically intended to help patients maintain or gain weight when they cannot eat. In the context of medical treatment, this weight gain is usually a positive sign that the patient is recovering and receiving adequate nutrition. It is not associated with 'unhealthy' weight gain in the way that excess dietary fat might be in a healthy person. Your dietitian and doctor carefully calculate the amount of Soybean Oil you receive to match your body's specific energy needs. If you have concerns about your weight or body composition during treatment, you should discuss them with your nutrition support team.
Soybean Oil can interact with certain medications, most notably the blood thinner Warfarin (Coumadin), because it contains small amounts of Vitamin K. This can make Warfarin less effective, so your blood clotting levels (INR) will need to be checked more often. Additionally, many medications cannot be physically mixed into the same IV line as Soybean Oil because they can cause the emulsion to break, which is dangerous. You must tell your doctor about all the medicines, vitamins, and herbal supplements you are taking. Your pharmacist will check for 'compatibility' to ensure that any other IV medications you need are given safely. Never add any medication directly into the lipid bag yourself.
Yes, Soybean Oil lipid emulsions are available in several generic and brand-name formulations, such as Intralipid or Nutrilipid. Because these are complex sterile products administered intravenously, they are only available by prescription and are usually managed by hospital pharmacies or specialized home infusion companies. While the core ingredient is refined soybean oil, different brands may have slightly different amounts of other ingredients like glycerin or egg phospholipids. Your healthcare provider will select the most appropriate brand based on hospital formulary and your specific medical needs. Generic versions are held to the same strict FDA standards for safety and purity as brand-name products.
Other drugs with the same active ingredient (Soybean Oil)
> Warning: Stop the infusion and call your doctor or nurse immediately if you experience any of these symptoms:
With prolonged use (weeks to months), Soybean Oil can lead to:
Death in Preterm Infants: The FDA has issued warnings regarding deaths in preterm infants following the infusion of intravenous fat emulsions. Autopsy findings in these cases showed intravascular fat accumulation in the lungs. Preterm and small-for-gestational-age infants have poor clearance of intravenous fat emulsions and increased free fatty acid plasma levels following fat emulsion infusion. Strict adherence to slow infusion rates and constant monitoring of triglyceride levels is mandatory in this population.
Report any unusual symptoms to your healthcare provider. Monitoring is the key to preventing long-term complications.
To ensure safety, the following laboratory tests are typically required:
Soybean Oil itself does not typically cause impairment that would prevent driving. However, the underlying conditions requiring parenteral nutrition (such as severe illness or recovery from major surgery) usually mean the patient should not operate heavy machinery until cleared by their doctor.
Alcohol should be avoided while receiving Soybean Oil therapy. Alcohol can increase triglyceride levels and put additional strain on the liver, compounding the risks of PNALD and pancreatitis associated with lipid infusions.
Soybean Oil does not require a 'taper' in the traditional sense like steroids. However, when transitioning to oral or enteral feeds, the IV lipid dose is gradually reduced as the patient demonstrates they can absorb enough fat and calories through their digestive tract. Sudden discontinuation is usually only done in cases of severe allergic reaction or fat overload.
> Important: Discuss all your medical conditions, especially any history of liver disease, kidney disease, or blood disorders, with your healthcare provider before starting Soybean Oil.
Since Soybean Oil is administered intravenously, traditional food-drug interactions in the stomach do not occur. However, the patient's overall nutritional status is critical.
Soybean Oil can interfere with several common laboratory tests if the blood sample is taken while the lipids are still clearing from the blood (lipemic samples):
> Important: Tell your doctor about ALL medications, supplements, and herbal products you are taking, especially any blood thinners like Warfarin.
Conditions requiring careful risk-benefit analysis include:
Patients who are sensitive to Legumes (peanuts, lentils, beans) may occasionally show cross-reactivity to Soybean Oil, though this is clinically rare compared to the direct soy allergy. Additionally, patients with a known sensitivity to Glycerin should be evaluated, as it is a common component of the emulsion base.
> Important: Your healthcare provider will evaluate your complete medical history, including all known allergies and metabolic conditions, before prescribing Soybean Oil.
Soybean Oil is a cornerstone of neonatal intensive care but carries significant risks.
Elderly patients (over 65) are more likely to have underlying conditions that complicate lipid therapy, such as:
In patients with chronic kidney disease (CKD) or acute kidney injury (AKI):
In patients with Child-Pugh Class B or C cirrhosis:
> Important: Special populations require individualized medical assessment and frequent laboratory monitoring to ensure the safety of intravenous lipid therapy.
| Parameter | Value |
|---|---|
| Bioavailability | 100% (Intravenous) |
| Protein Binding | >99% (carried by lipoproteins/albumin) |
| Half-life | 30 - 60 minutes (initial clearance) |
| Tmax | End of infusion |
| Metabolism | Lipoprotein Lipase (Endothelial) |
| Excretion | CO2 (Lungs), Glycerol (Renal) |
Soybean Oil is classified as a Lipid Emulsion [EPC]. It is often grouped with other parenteral nutrients like Amino Acids and Dextrose. Related medications include newer generation 'mixed' emulsions that combine soybean oil with medium-chain triglycerides (MCT), olive oil, or fish oil (e.g., SMOFlipid).