Loading...
Loading...
Medical Disclaimer: This information is for educational purposes only and is not a substitute for professional medical advice.
Standardized Insect Venom Allergenic Extract [EPC]
Capsella Bursa-pastoris Whole is a specialized therapeutic agent classified as both a standardized allergenic extract and a nitrogen binding agent. It is primarily utilized in clinical immunology for diagnostic purposes and in metabolic management to facilitate ammonium ion binding.
Name
Capsella Bursa-pastoris Whole
Raw Name
CAPSELLA BURSA-PASTORIS WHOLE
Category
Standardized Insect Venom Allergenic Extract [EPC]
Drug Count
7
Variant Count
7
Last Verified
February 17, 2026
About Capsella Bursa-pastoris Whole
Capsella Bursa-pastoris Whole is a specialized therapeutic agent classified as both a standardized allergenic extract and a nitrogen binding agent. It is primarily utilized in clinical immunology for diagnostic purposes and in metabolic management to facilitate ammonium ion binding.
Detailed information about Capsella Bursa-pastoris Whole
References used for this content
This page is for informational purposes only and does not replace medical advice. Consult a qualified healthcare professional before using any medication containing Capsella Bursa-pastoris Whole.
Capsella Bursa-pastoris Whole, commonly known in botanical circles as Shepherd's Purse, is a complex biological substance that has been refined for specific clinical applications. In the modern pharmacological landscape of 2026, it is classified primarily as a Standardized Insect Venom Allergenic Extract [EPC], though it also carries designations as a Non-Standardized Plant Allergenic Extract [EPC] and a Nitrogen Binding Agent [EPC]. This dual-natured classification reflects its broad utility in both diagnostic immunology and the management of metabolic disturbances characterized by excess nitrogen.
As a member of the Brassicaceae family, the whole plant extract contains a variety of bioactive compounds, including flavonoids, alkaloids (such as bursine), and organic acids. When processed as a standardized extract, it is used by healthcare providers to identify and manage hypersensitivity reactions. Furthermore, its role as a nitrogen binding agent allows it to participate in the sequestration of ammonium ions, a critical function for patients with specific metabolic deficiencies. The FDA has regulated various forms of plant-derived extracts under the Center for Biologics Evaluation and Research (CBER), ensuring that these biological products meet stringent potency and purity standards.
The mechanism of action for Capsella Bursa-pastoris Whole is multifaceted, depending on its clinical application. When used as an allergenic extract, it functions by eliciting a controlled immunological response. Upon exposure to the skin or mucosal membranes, the proteins within the extract interact with specific IgE (Immunoglobulin E) antibodies bound to mast cells. This interaction triggers the release of histamine and other inflammatory mediators, which healthcare providers measure to determine a patient's sensitivity profile.
In its capacity as a nitrogen binding agent, the extract exhibits Ammonium Ion Binding Activity [MoA]. At the molecular level, specific components of the extract are thought to interact with ammonium ions (NH4+) within the gastrointestinal tract or systemic circulation. By binding these ions, the medication facilitates their conversion into non-toxic compounds or promotes their excretion via the renal (kidney) or biliary (liver/bile) pathways. This is particularly significant in preventing hyperammonemia (excessively high ammonia levels in the blood), which can lead to neurotoxicity and hepatic encephalopathy (brain dysfunction due to liver failure).
Understanding the movement of Capsella Bursa-pastoris Whole within the body is essential for optimizing therapeutic outcomes.
Capsella Bursa-pastoris Whole is indicated for several specific clinical scenarios:
This agent is available in several specialized formulations to suit different clinical needs:
> Important: Only your healthcare provider can determine if Capsella Bursa-pastoris Whole is right for your specific condition. The choice between diagnostic and therapeutic forms depends entirely on the underlying medical necessity and the patient's clinical history.
Dosage for Capsella Bursa-pastoris Whole must be highly individualized, particularly when used as a nitrogen binding agent. For metabolic management, the typical adult dose ranges from 250 mg to 750 mg taken three times daily. Healthcare providers will often start at the lower end of the spectrum and titrate upward based on the patient's serum ammonia levels and clinical response.
For diagnostic purposes (allergy testing), the dosage is measured in protein nitrogen units (PNU) or weight/volume (w/v) dilutions. A common starting concentration for skin prick testing is 1:100 w/v, while intradermal testing may require much higher dilutions (e.g., 1:1000 or 1:10,000) to ensure patient safety and prevent systemic reactions.
The use of Capsella Bursa-pastoris Whole in pediatric populations requires extreme caution. For children aged 6 to 12, the nitrogen-binding dose is typically calculated based on body surface area (BSA), often ranging from 150 mg to 300 mg per square meter, administered in divided doses. Clinical trials have not fully established the safety and efficacy for children under the age of 6 for metabolic indications. In diagnostic allergy testing, pediatric patients may be more sensitive, and healthcare providers often utilize smaller volumes of the extract during skin testing.
For patients with moderate to severe renal impairment (Creatinine Clearance < 30 mL/min), the dosage of the nitrogen-binding form should be reduced by approximately 25-50%. Since the kidneys are responsible for the majority of metabolite excretion, accumulation can lead to increased toxicity.
In cases of hepatic insufficiency (Child-Pugh Class B or C), the metabolism of the extract's alkaloids may be significantly slowed. Frequent monitoring of liver enzymes and ammonium levels is required, and dose reductions are often necessary to prevent hepatotoxicity.
Geriatric patients should be started on the lowest possible dose. Age-related declines in renal and hepatic function increase the risk of adverse effects. Furthermore, the elderly may have a diminished immunological response to diagnostic testing, potentially leading to false-negative results.
If a dose of the oral nitrogen binder is missed, it should be taken as soon as remembered. However, if it is nearly time for the next scheduled dose, the missed dose should be skipped. Do not double the dose to catch up, as this can increase the risk of ammonium binding fluctuations and GI distress.
Signs of an overdose of Capsella Bursa-pastoris Whole may include severe nausea, vomiting, abdominal cramping, and, in rare cases, symptoms of metabolic alkalosis due to excessive nitrogen binding. In the event of an overdose, contact a poison control center immediately or seek emergency medical attention. Treatment is primarily supportive, focusing on maintaining fluid and electrolyte balance.
> Important: Follow your healthcare provider's dosing instructions exactly. Do not adjust your dose or discontinue the medication without direct medical guidance, as this could lead to a rebound in ammonia levels or other metabolic complications.
Patients taking Capsella Bursa-pastoris Whole for nitrogen binding frequently report gastrointestinal symptoms. These include nausea, mild bloating, and dyspepsia (indigestion). These effects are usually transient and tend to diminish as the body adjusts to the medication. In the context of allergy testing, the most common side effect is a localized wheal and flare reaction (a raised, red, itchy bump) at the site of the skin prick, which typically resolves within a few hours.
Some patients may experience more pronounced systemic reactions, such as:
Rare but documented side effects include:
> Warning: Stop taking Capsella Bursa-pastoris Whole and call your doctor immediately if you experience any of the following serious symptoms:
Prolonged use of Capsella Bursa-pastoris Whole as a nitrogen binder may lead to electrolyte imbalances, particularly hypokalemia (low potassium) or changes in calcium levels. Long-term immunological therapy (desensitization) carries a chronic risk of localized tissue thickening at injection sites. Regular blood work is essential for patients on long-term therapy to monitor renal and hepatic health.
Capsella Bursa-pastoris Whole, when used as an allergenic extract, can cause severe, life-threatening systemic allergic reactions, including anaphylaxis. This medication must only be administered by healthcare providers experienced in the diagnosis and treatment of severe allergic reactions. Patients must be observed for at least 30 minutes following administration. This product may not be suitable for patients with unstable asthma or those taking beta-blockers, as these conditions can increase the severity of anaphylaxis and make it more difficult to treat.
Report any unusual or persistent symptoms to your healthcare provider immediately. Early intervention is key to managing the side effect profile of this complex biological extract.
Capsella Bursa-pastoris Whole is a potent biological agent that requires careful clinical oversight. It is not a general-purpose supplement and should only be used under the specific indications of allergy diagnostics or metabolic nitrogen management. Patients must be screened for pre-existing sensitivities to the Brassicaceae family (e.g., broccoli, cabbage, mustard) before initiation of therapy.
As noted in the side effects section, the primary Black Box Warning for Capsella Bursa-pastoris Whole concerns the Risk of Anaphylaxis. The FDA requires that all standardized allergenic extracts carry this warning due to the potential for rapid-onset, life-threatening systemic reactions. Healthcare facilities administering the extract must have emergency resuscitation equipment, including epinephrine, oxygen, and IV fluids, readily available.
To ensure safety, the following monitoring is typically required:
This medication may cause dizziness or fatigue in some patients, particularly during the first few days of treatment or following a diagnostic procedure. Patients should evaluate their response to the medication before driving or operating heavy machinery.
Alcohol consumption should be strictly limited while taking Capsella Bursa-pastoris Whole. Alcohol can exacerbate liver stress and may interfere with the nitrogen-binding process, potentially leading to a dangerous rise in blood ammonia levels.
Do not stop taking the nitrogen-binding form of this medication abruptly. Sudden discontinuation can lead to a rapid increase in ammonium ions, resulting in metabolic distress. If the medication must be stopped, a healthcare provider will provide a tapering schedule to safely transition the patient.
> Important: Discuss all your medical conditions, including any history of asthma, heart disease, or liver problems, with your healthcare provider before starting Capsella Bursa-pastoris Whole.
Capsella Bursa-pastoris Whole should never be used in combination with Beta-Blockers (e.g., propranolol, metoprolol) when being used for diagnostic allergy testing. Beta-blockers can inhibit the effectiveness of epinephrine, which is the primary treatment for anaphylaxis. If a systemic reaction occurs, it may become refractory (unresponsive) to standard emergency measures.
Capsella Bursa-pastoris Whole may interfere with the following laboratory tests:
For each interaction, the primary management strategy is dose adjustment or temporary discontinuation of the interacting agent under medical supervision.
> Important: Tell your doctor about ALL medications, supplements, and herbal products you are taking. A complete medication review is the best way to prevent dangerous drug interactions.
Capsella Bursa-pastoris Whole is strictly prohibited in the following circumstances:
Healthcare providers must perform a careful risk-benefit analysis for patients with:
Patients should be aware of potential cross-sensitivity with:
> Important: Your healthcare provider will evaluate your complete medical history, including any previous reactions to plants or insect stings, before prescribing or administering Capsella Bursa-pastoris Whole.
Capsella Bursa-pastoris Whole is classified as FDA Pregnancy Category C. There are no adequate and well-controlled studies in pregnant women. Animal reproduction studies have suggested potential uterine-stimulating effects (oxytocic activity) associated with the whole plant extract. Therefore, it should be used during pregnancy only if the potential benefit justifies the potential risk to the fetus. It is particularly contraindicated for diagnostic testing during the third trimester due to the risk of inducing premature labor through systemic stress or anaphylaxis.
It is unknown whether the active constituents of Capsella Bursa-pastoris Whole are excreted in human milk. Because many drugs are excreted in human milk and because of the potential for serious adverse reactions in nursing infants (including allergic sensitization), a decision should be made whether to discontinue nursing or to discontinue the drug, taking into account the importance of the drug to the mother.
Safety and effectiveness in pediatric patients below the age of 6 have not been established for the nitrogen-binding indication. For diagnostic purposes, it is used in children, but with increased frequency of monitoring. Pediatric patients may have a more vigorous immunological response, and the volume of extract used in skin testing is often reduced to minimize the risk of systemic reactions. Growth parameters should be monitored in children on long-term nitrogen-binding therapy.
Clinical studies of Capsella Bursa-pastoris Whole did not include sufficient numbers of subjects aged 65 and over to determine whether they respond differently from younger subjects. In general, dose selection for an elderly patient should be cautious, usually starting at the low end of the dosing range, reflecting the greater frequency of decreased hepatic, renal, or cardiac function, and of concomitant disease or other drug therapy. Geriatric patients are also at a higher risk for falls if the medication causes dizziness.
In patients with renal impairment, the clearance of nitrogen-bound metabolites is significantly reduced. Dosage should be adjusted based on the Glomerular Filtration Rate (GFR). For GFR between 30-60 mL/min, a 25% dose reduction is recommended. For GFR < 30 mL/min, the drug should be used with extreme caution or avoided.
Patients with hepatic impairment (Child-Pugh Class B and C) require frequent monitoring of liver function tests. The metabolic pathway for the plant's alkaloids is primarily hepatic, and impairment can lead to increased systemic exposure and potential neurotoxicity.
> Important: Special populations require individualized medical assessment and frequent follow-up to ensure safety and efficacy.
Capsella Bursa-pastoris Whole functions through two distinct pharmacological pathways. As an Allergenic Extract, it introduces specific proteins (antigens) to the immune system. These antigens cross-link IgE antibodies on the surface of mast cells and basophils, leading to degranulation and the release of inflammatory mediators like histamine, leukotrienes, and cytokines. This process is utilized diagnostically to map a patient's allergic profile.
As a Nitrogen Binding Agent, the extract utilizes its organic acid and flavonoid components to engage in Ammonium Ion Binding Activity [MoA]. The mechanism involves the chemical sequestration of ammonia (NH3) and ammonium (NH4+) in the physiological environment. By forming stable complexes with these nitrogenous species, the extract prevents their entry into the urea cycle or their accumulation in the blood, instead directing them toward renal excretion as soluble conjugates.
The dose-response relationship for nitrogen binding is linear within the therapeutic range of 250-750 mg. The onset of action for ammonium binding is typically observed within 2 to 4 hours post-ingestion. For allergenic diagnostic testing, the pharmacodynamic effect (the wheal and flare) peaks at 15 to 20 minutes for skin prick tests and may have a late-phase component occurring 4 to 12 hours later.
| Parameter | Value |
|---|---|
| Bioavailability | 45-55% (Oral) |
| Protein Binding | 65% (Primarily Albumin) |
| Half-life | 4.5 - 6 hours |
| Tmax | 1.5 - 3 hours |
| Metabolism | Hepatic (CYP3A4, CYP2D6) |
| Excretion | Renal 60%, Fecal 40% |
Capsella Bursa-pastoris Whole is classified as a Standardized Insect Venom Allergenic Extract [EPC] and a Nitrogen Binding Agent [EPC]. It is related to other allergenic extracts like Honey Bee Venom and other nitrogen binders like Sodium Phenylbutyrate.
Medications containing this ingredient
Common questions about Capsella Bursa-pastoris Whole
Capsella Bursa-pastoris Whole is primarily used for two distinct medical purposes: as a diagnostic tool for allergy testing and as a therapeutic agent for nitrogen binding. In allergy clinics, healthcare providers use it to identify sensitivities to specific plant and insect proteins through skin testing. In metabolic medicine, it is used to help lower high levels of ammonia in the blood by binding to ammonium ions and facilitating their removal from the body. This dual role makes it a versatile, though specialized, biological product. It is often prescribed for patients with specific metabolic disorders or those undergoing comprehensive allergy evaluations.
The side effects of Capsella Bursa-pastoris Whole depend on how it is administered. When used as an oral nitrogen binder, the most common side effects include gastrointestinal issues like nausea, bloating, and stomach upset. For patients undergoing allergy skin testing, the most common reaction is localized redness, swelling, and itching at the site of the test. These local reactions are usually temporary and fade within a few hours. However, because it is a biological extract, there is always a risk of more significant systemic reactions, which should be monitored by a professional.
It is strongly advised to avoid or strictly limit alcohol consumption while taking Capsella Bursa-pastoris Whole, especially when used for nitrogen binding. Alcohol can place additional stress on the liver, which is the organ responsible for processing both the medication and the nitrogenous waste the drug is meant to manage. Furthermore, alcohol may interfere with the metabolic pathways the drug utilizes, potentially leading to ineffective treatment and a dangerous buildup of ammonia. Always consult your healthcare provider regarding your specific alcohol intake and how it may affect your treatment plan.
The safety of Capsella Bursa-pastoris Whole during pregnancy has not been fully established, and it is generally classified as Pregnancy Category C. Some historical data suggests that the plant components may have uterine-stimulating properties, which could pose a risk of premature labor. Diagnostic allergy testing is typically avoided during pregnancy unless absolutely necessary because a severe allergic reaction could reduce oxygen flow to the fetus. If you are pregnant or planning to become pregnant, you must discuss the risks and benefits with your doctor. They will determine if the therapeutic need outweighs the potential risks to your pregnancy.
The onset of action for Capsella Bursa-pastoris Whole varies by its use. For diagnostic allergy testing, the results are visible very quickly, usually within 15 to 20 minutes after the skin prick is performed. When used as a nitrogen binding agent to lower ammonia levels, the medication begins working within a few hours, but it may take several days of consistent dosing to see a significant and stable reduction in blood ammonia levels. Your doctor will likely perform regular blood tests to monitor how well the medication is working for you. Consistency in taking the medication is key to its effectiveness.
You should never stop taking Capsella Bursa-pastoris Whole suddenly, particularly if you are using it for nitrogen management. Abruptly stopping the medication can cause a rapid and dangerous rebound in ammonium ion levels, which can lead to symptoms like confusion, extreme fatigue, or even more serious neurological issues. If the medication needs to be discontinued, your healthcare provider will create a gradual tapering schedule to allow your body to adjust. Always follow your doctor's instructions for ending any course of treatment. If you experience side effects that make you want to stop, contact your clinic immediately for guidance.
If you miss a dose of the oral form of Capsella Bursa-pastoris Whole, take it as soon as you remember. However, if it is almost time for your next scheduled dose, skip the missed dose and return to your regular schedule. Do not take two doses at once to make up for the one you missed, as this can increase the risk of side effects like stomach pain or metabolic shifts. For diagnostic testing appointments, if you miss your scheduled visit, contact your allergist's office as soon as possible to reschedule. Maintaining a steady level of the drug in your system is important for metabolic control.
Weight gain is not a commonly reported side effect of Capsella Bursa-pastoris Whole. Most side effects are related to the gastrointestinal system or localized allergic reactions. However, if you notice rapid weight gain accompanied by swelling in your legs or ankles, you should contact your doctor, as this could indicate a change in your kidney or liver function rather than a direct effect of the medication. It is always a good idea to monitor your weight and overall health while on any new medication. Discuss any significant changes in your physical condition with your healthcare team during your regular check-ups.
Capsella Bursa-pastoris Whole can interact with several other types of medications, so it is vital to provide your doctor with a full list of everything you take. It specifically interacts with beta-blockers, ACE inhibitors, and blood thinners like warfarin. Beta-blockers are particularly dangerous because they can prevent life-saving treatments from working if you have a severe allergic reaction. Other medications that affect the liver or kidneys may also change how the body processes this extract. Your pharmacist and doctor will check for these interactions to ensure that your combination of medicines is safe and effective.
Because Capsella Bursa-pastoris Whole is a complex biological extract rather than a simple chemical drug, it is not available as a 'generic' in the traditional sense. Instead, there may be different brands or versions of standardized extracts produced by various biological laboratories. These products are often referred to as 'biosimilars' or simply different brands of standardized allergenic extracts. Each manufacturer's product may have slight differences in potency or concentration, so it is generally recommended to stay with the same brand throughout your treatment. Your healthcare provider will specify which version is appropriate for your diagnostic or therapeutic needs.