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Medical Disclaimer: This information is for educational purposes only and is not a substitute for professional medical advice.
Non-Standardized Food Allergenic Extract [EPC]
Strychnos Ignatii Seed is a botanical extract primarily classified as a Non-Standardized Food Allergenic Extract. It contains potent alkaloids such as strychnine and brucine, which act as central nervous system stimulants and are utilized in specialized allergenic testing and pharmacological researc...
Name
Strychnos Ignatii Seed
Raw Name
STRYCHNOS IGNATII SEED
Category
Non-Standardized Food Allergenic Extract [EPC]
Drug Count
215
Variant Count
274
Last Verified
February 17, 2026
About Strychnos Ignatii Seed
Strychnos Ignatii Seed is a botanical extract primarily classified as a Non-Standardized Food Allergenic Extract. It contains potent alkaloids such as strychnine and brucine, which act as central nervous system stimulants and are utilized in specialized allergenic testing and pharmacological research.
Detailed information about Strychnos Ignatii Seed
This page is for informational purposes only and does not replace medical advice. Consult a qualified healthcare professional before using any medication containing Strychnos Ignatii Seed.
Strychnos Ignatii Seed, commonly known as the Saint Ignatius Bean, is a botanical substance derived from a woody vine native to the Philippines. In the clinical landscape of 2026, it is primarily classified as a Non-Standardized Food Allergenic Extract [EPC] and a Central Nervous System Stimulant [EPC]. It belongs to a complex group of substances that include plant-based allergenic extracts and alkaloid-rich compounds. Historically and toxicologically, it is significant for its high concentration of the alkaloids strychnine and brucine.
According to the FDA's classification for allergenic extracts, Strychnos Ignatii Seed is utilized in diagnostic medicine to identify hypersensitivity reactions in patients. Beyond its use in allergy medicine, its pharmacological profile includes roles as a Nitrogen Binding Agent, Adrenergic Agonist, and Methylxanthine. Due to its potent neurotoxic potential, it is strictly regulated and typically only administered in highly diluted or standardized clinical preparations.
The mechanism of action (MoA) of Strychnos Ignatii Seed is multi-faceted due to its diverse alkaloid content. At the molecular level, its primary components act through:
> Important: Only your healthcare provider can determine if Strychnos Ignatii Seed is right for your specific condition. The raw seed is highly toxic and must never be ingested.
Dosage for Strychnos Ignatii Seed is highly individualized and depends entirely on the clinical application (e.g., allergenic testing vs. therapeutic use).
Strychnos Ignatii Seed is generally not approved for pediatric use in its stimulant or concentrated form due to the high risk of alkaloid poisoning. Use in children is restricted to highly regulated allergenic testing performed by a board-certified allergist.
Patients with reduced kidney function (CrCl < 30 mL/min) may require lower doses or longer intervals between tests due to decreased clearance of strychnine-related alkaloids.
Because the liver is the primary site of detoxification for the seed's alkaloids, patients with hepatic cirrhosis or acute hepatitis should avoid systemic exposure.
Older adults are more susceptible to the adrenergic effects (increased heart rate/blood pressure) and should be monitored closely during administration.
For allergenic extracts, the substance is applied to the skin by a healthcare professional. If using a prescribed oral preparation:
If a dose is missed, take it as soon as remembered unless it is nearly time for the next dose. Do not double the dose to catch up.
Strychnine poisoning is a medical emergency. Signs of overdose include:
In case of suspected overdose, call 911 or your local emergency services immediately.
> Important: Follow your healthcare provider's dosing instructions. Do not adjust your dose without medical guidance.
When used as an allergenic extract, the most common reactions are localized:
> Warning: Stop taking Strychnos Ignatii Seed and call your doctor immediately if you experience any of these.
Prolonged use of Strychnos Ignatii Seed extracts may lead to chronic nervous system irritability, sleep disturbances, and potential liver enzyme elevations. Due to the accumulation of alkaloids, long-term use is generally discouraged.
While Strychnos Ignatii Seed does not have a specific FDA Black Box Warning for its allergenic form, its primary component, Strychnine, is classified as a highly hazardous substance. Labels for concentrated extracts must warn of the risk of fatal respiratory failure and convulsive seizures if ingested in non-therapeutic quantities.
Report any unusual symptoms to your healthcare provider.
Strychnos Ignatii Seed contains strychnine, one of the most toxic substances known. It must only be used under the direct supervision of a qualified medical professional.
No FDA black box warnings for Strychnos Ignatii Seed in its allergenic extract form; however, strict adherence to dilution protocols is required to prevent systemic toxicity.
This medication may cause dizziness or muscle twitching. Do not drive or operate heavy machinery until you know how Strychnos Ignatii Seed affects you.
Alcohol should be avoided. Alcohol can lower the seizure threshold and may potentiate the CNS effects of the alkaloids found in the seed.
If used for its stimulant properties, sudden discontinuation may lead to a "rebound" effect characterized by lethargy and depressed mood. Tapering is recommended under medical supervision.
> Important: Discuss all your medical conditions with your healthcare provider before starting Strychnos Ignatii Seed.
Strychnos Ignatii Seed may cause false-positive results on urine drug screens for amphetamines due to its stimulant structure. It may also interfere with tests for urinary catecholamines.
> Important: Tell your doctor about ALL medications, supplements, and herbal products you are taking.
Patients allergic to Strychnos nux-vomica (the source of strychnine) will almost certainly be cross-sensitive to Strychnos Ignatii Seed.
> Important: Your healthcare provider will evaluate your complete medical history before prescribing Strychnos Ignatii Seed.
FDA Category X (Estimated). Strychnos Ignatii Seed is contraindicated in pregnancy. The alkaloids strychnine and brucine can cross the placenta and are known to be teratogenic in animal studies. Furthermore, it may act as an abortifacient by inducing uterine contractions.
It is unknown if the components of Strychnos Ignatii Seed pass into breast milk. However, due to the extreme toxicity of the alkaloids to the developing infant nervous system, breastfeeding is not recommended while using this substance.
Safety and effectiveness in pediatric populations have not been established. Use is restricted to diagnostic allergenic testing by specialists. Accidental ingestion in children is often fatal.
Elderly patients are at increased risk for cardiovascular side effects and CNS irritability. Dose adjustments and careful monitoring of renal function are essential.
In patients with a GFR < 60 mL/min, the clearance of alkaloids is reduced. Close monitoring for signs of accumulation (twitching, restlessness) is required.
Not recommended for patients with Child-Pugh Class B or C hepatic impairment due to the risk of alkaloid toxicity.
> Important: Special populations require individualized medical assessment.
Strychnos Ignatii Seed acts primarily as a Glycine Receptor Antagonist. By blocking the inhibitory neurotransmitter glycine in the spinal cord, it allows for unchecked excitatory neurotransmission. Additionally, it functions as an Adrenergic Agonist, stimulating alpha and beta receptors, and exhibits Ammonium Ion Binding Activity, which may play a role in its metabolic profile.
The onset of action for CNS stimulation is approximately 15–30 minutes after oral ingestion. The duration of effect lasts between 6 and 12 hours. Tolerance to the stimulant effects can develop with repeated use, though the toxic threshold remains constant, increasing the risk of poisoning.
| Parameter | Value |
|---|---|
| Bioavailability | 50–80% (Alkaloids) |
| Protein Binding | 25–30% |
| Half-life | 10–12 hours |
| Tmax | 1.5 hours |
| Metabolism | Hepatic (CYP2B6) |
| Excretion | Renal (20% unchanged) |
Classified as a Non-Standardized Food Allergenic Extract [EPC] and a Central Nervous System Stimulant [EPC]. It is related to other Strychnos-derived agents like Nux Vomica.
Medications containing this ingredient
Common questions about Strychnos Ignatii Seed
Strychnos Ignatii Seed is primarily used in modern clinical medicine as a non-standardized allergenic extract for diagnostic skin testing. It helps healthcare providers identify specific plant or food allergies in sensitive patients. In addition to its diagnostic role, it has historical and specialized uses as a central nervous system stimulant due to its alkaloid content. It is also found in highly diluted homeopathic preparations for emotional support. However, its use is strictly controlled due to the inherent toxicity of its active components.
The most common side effects are typically localized to the site of administration, such as redness, itching, or a small bump during allergy testing. Some patients may experience systemic effects like mild restlessness, a slightly increased heart rate, or dizziness. These symptoms are usually transient and resolve without intervention. However, if side effects persist or worsen, it is important to contact a healthcare provider. More severe reactions, though rare in controlled settings, require immediate medical attention.
No, you should avoid drinking alcohol while using Strychnos Ignatii Seed or its extracts. Alcohol can lower the seizure threshold and may unpredictably interact with the stimulant alkaloids in the seed, increasing the risk of neurological side effects. Combining the two can lead to increased dizziness, coordination problems, or even severe muscle spasms. Always discuss your lifestyle habits with your doctor before starting a new treatment. Safety is the priority when dealing with substances that affect the central nervous system.
Strychnos Ignatii Seed is considered unsafe during pregnancy and is generally contraindicated. The active alkaloids, strychnine and brucine, can cross the placental barrier and potentially harm the developing fetus. There is also a risk that the substance could stimulate uterine contractions, leading to premature labor or miscarriage. If you are pregnant or planning to become pregnant, you must inform your healthcare provider immediately. Alternative diagnostic or therapeutic options should be explored during this time.
The onset of action depends on the method of administration. For allergenic skin testing, a reaction typically appears within 15 to 30 minutes. If taken orally in a therapeutic preparation, the stimulant effects usually begin within 30 minutes as the alkaloids are absorbed into the bloodstream. The peak effect is generally reached within 1 to 2 hours. Your healthcare provider will monitor you during this window to ensure the substance is working as intended and to watch for any adverse reactions.
You should not stop taking any prescribed medication suddenly without consulting your healthcare provider, and this applies to Strychnos Ignatii Seed extracts as well. If the substance has been used for its stimulant properties, abrupt discontinuation could potentially cause rebound fatigue or mood changes. A gradual tapering schedule may be necessary to allow your nervous system to adjust. Always follow the specific instructions provided by your medical professional to ensure a safe transition. Your doctor will guide you through the discontinuation process based on your individual response.
If you miss a dose, take it as soon as you remember. However, if it is almost time for your next scheduled dose, skip the missed dose and resume your regular dosing schedule. Do not take two doses at once to make up for a missed one, as this increases the risk of toxicity. Keeping a consistent schedule helps maintain the desired effect and minimizes side effects. If you frequently miss doses, talk to your pharmacist or doctor about ways to help you remember your medication.
There is currently no clinical evidence to suggest that Strychnos Ignatii Seed causes weight gain. In fact, as a central nervous system stimulant, it is more likely to slightly increase metabolic rate or suppress appetite in the short term. However, it is not approved or recommended for weight loss purposes. Any significant changes in weight while taking this medication should be reported to your healthcare provider. They can help determine if the change is related to the medication or another underlying health condition.
Strychnos Ignatii Seed has several significant drug interactions, particularly with other stimulants, MAO inhibitors, and medications that affect the seizure threshold. Taking it with other drugs that increase heart rate or blood pressure can be dangerous. It is vital to provide your doctor with a complete list of all medications, including over-the-counter drugs and herbal supplements. Your healthcare provider will check for potential interactions to ensure your treatment plan is safe. Never start a new medication without checking with your medical team first.
Strychnos Ignatii Seed is a botanical ingredient rather than a synthetic drug, so the concept of 'generic' vs. 'brand name' is slightly different. It is available from various manufacturers as a non-standardized extract or homeopathic preparation. Because these products are not standardized in the same way as conventional pharmaceuticals, the potency can vary between different suppliers. Always ensure you are obtaining the substance from a reputable, regulated source. Your healthcare provider can recommend a specific preparation that meets quality and safety standards.