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Medical Disclaimer: This information is for educational purposes only and is not a substitute for professional medical advice.
Paeonia Officinalis Root
Brand Name
Paeonia Officinalis
Generic Name
Paeonia Officinalis Root
Active Ingredient
Paeonia Officinalis RootCategory
Non-Standardized Plant Allergenic Extract [EPC]
Variants
3
References used for this content
This page is for informational purposes only and does not replace medical advice. Before using any prescription or over-the-counter medication for Paeonia Officinalis, you must consult a qualified healthcare professional.
Detailed information about Paeonia Officinalis
Paeonia Officinalis Root is a pharmacologically active substance classified as a non-standardized plant allergenic extract and a direct thrombin inhibitor. It is utilized in both diagnostic allergy testing and therapeutic contexts involving interferon-gamma modulation and anticoagulation.
Dosage for Paeonia Officinalis Root varies significantly based on the clinical indication and the specific formulation being used.
Because the metabolites of Paeonia Officinalis Root are primarily excreted by the kidneys, patients with a Glomerular Filtration Rate (GFR) below 60 mL/min may require a 25-50% dose reduction. It is contraindicated in patients with end-stage renal disease (ESRD) or those on dialysis due to the lack of safety data regarding clearance.
Patients with moderate to severe hepatic impairment (Child-Pugh Class B or C) should avoid use. The liver is responsible for the initial processing of the root's glycosides; impaired function can lead to toxic accumulation and an increased risk of bleeding.
Geriatric patients (65 years and older) should start at the lowest possible dose (e.g., 150-300 mg daily). This population is at a higher risk for spontaneous bleeding and may have age-related declines in renal function that slow the elimination of the drug.
If you miss a dose of the oral supplement, 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 double the dose to catch up, as this significantly increases the risk of bleeding or systemic toxicity.
Signs of an overdose of Paeonia Officinalis Root may include:
In the event of a suspected overdose, seek emergency medical attention immediately or contact a poison control center. Emergency treatment may involve gastric lavage and monitoring of coagulation factors (PT/INR).
> Important: Follow your healthcare provider's dosing instructions. Do not adjust your dose without medical guidance.
Patients taking Paeonia Officinalis Root, particularly in oral therapeutic doses, may experience the following common side effects:
Paeonia Officinalis Root is a potent biological and pharmacological agent. It should only be used under the guidance of a qualified healthcare professional, such as an allergist, hematologist, or primary care physician. Because it acts as a Direct Thrombin Inhibitor, the risk of bleeding is significant, especially when combined with other medications or in patients with underlying bleeding disorders.
No FDA black box warnings exist for the oral supplement form of Paeonia Officinalis Root; however, the allergenic extract form (used for testing) carries a standard warning for the risk of severe anaphylaxis. This requires that the extract be administered only by trained professionals in settings where emergency medical care is immediately available.
Paeonia Officinalis Root is generally considered unsafe during pregnancy. In traditional and clinical literature, it is classified as an emmenagogue (a substance that stimulates menstrual flow) and an abortifacient (a substance that can induce abortion). The active glycosides may stimulate uterine contractions, potentially leading to preterm labor or miscarriage. Furthermore, the anticoagulant properties pose a risk of maternal hemorrhage during delivery. Its use should be avoided unless the diagnostic benefit of an allergy test outweighs the risk, and only under extreme medical caution.
It is not known whether the active components of Paeonia Officinalis Root pass into human breast milk. Due to the potential for the infant to ingest anticoagulant compounds, which could lead to bruising or bleeding in the nursing child, use is generally not recommended while breastfeeding. If a mother must take this medication, the infant should be closely monitored for any signs of unusual bruising or irritability.
Paeonia Officinalis Root exerts its primary effects through the modulation of the coagulation cascade and the cytokine network. As a Direct Thrombin Inhibitor (DTI), it binds to the active site of thrombin, preventing it from interacting with fibrinogen. This is a highly specific action that does not require the cofactor antithrombin. On the immunological front, it acts as an Interferon-gamma [EPC] modulator. It has been shown to suppress the overproduction of IFN-γ in certain inflammatory models while potentially enhancing it in others, suggesting a rheostat-like regulatory effect on the immune system. This is achieved through the inhibition of the NF-κB (nuclear factor kappa-light-chain-enhancer of activated B cells) signaling pathway, which reduces the transcription of pro-inflammatory cytokines.
The pharmacodynamic effect of Paeonia Officinalis Root is dose-dependent. A single dose begins to affect thrombin activity within 1 hour, with the maximum effect occurring at 2 hours. The duration of the anticoagulant effect is relatively short (4-6 hours), which is why multiple daily doses are often required for therapeutic maintenance. Unlike Warfarin, it does not have a significant 'lag time' for onset, nor does it require days to wash out of the system. Tolerance to the anti-inflammatory effects has not been widely reported, but long-term use may lead to a compensatory upregulation of other clotting factors.
Common questions about Paeonia Officinalis
Paeonia Officinalis Root is used for two primary clinical purposes: as a diagnostic tool in allergy testing and as a therapeutic agent for its anticoagulant and anti-inflammatory properties. In an allergy clinic, it helps identify patients who are hypersensitive to peony proteins through skin prick or intradermal tests. Therapeutically, it acts as a direct thrombin inhibitor, which means it helps prevent blood clots by blocking the enzyme thrombin. It is also used to modulate the immune system by influencing interferon-gamma levels, which can be beneficial in certain chronic inflammatory conditions. Always consult a healthcare provider to see if this specific extract is appropriate for your medical needs.
The most common side effects associated with the oral use of Paeonia Officinalis Root include gastrointestinal issues such as nausea, stomach cramps, and diarrhea. These symptoms are usually mild and tend to resolve as your body becomes accustomed to the supplement. For those undergoing allergy testing, common side effects are localized to the skin and include redness, itching, and a small raised bump at the test site. Some patients may also experience mild headaches or dizziness shortly after taking the medication. If these symptoms persist or worsen, it is important to contact your healthcare provider for guidance.
It is strongly recommended that you avoid or significantly limit alcohol consumption while taking Paeonia Officinalis Root. Because this substance acts as a thrombin inhibitor and anticoagulant, it thins the blood; alcohol also has blood-thinning properties and can irritate the stomach lining. Combining the two significantly increases your risk of developing serious gastrointestinal bleeding or ulcers. Furthermore, alcohol can worsen the dizziness and lightheadedness that some patients experience while taking this medication. Always discuss your lifestyle habits, including alcohol use, with your doctor before starting any anticoagulant therapy.
Paeonia Officinalis Root is generally considered unsafe for use during pregnancy and should be avoided. It has historically been used as an emmenagogue, meaning it can stimulate blood flow in the pelvic area and uterus, potentially inducing menstruation or uterine contractions. This creates a significant risk of miscarriage or premature labor, especially if taken in high doses. Additionally, its anticoagulant effects could lead to dangerous bleeding complications for both the mother and the fetus during pregnancy or delivery. If you are pregnant or planning to become pregnant, talk to your doctor about safer alternatives for managing your condition.
The time it takes for Paeonia Officinalis Root to work depends on the form and the condition being treated. For allergy testing, the reaction on the skin is usually visible within 15 to 20 minutes of application. When taken orally for its anticoagulant effects, it reaches peak levels in the bloodstream within about 1 hour, and its effects on blood clotting begin shortly thereafter. However, if you are taking it for chronic inflammatory conditions, it may take several weeks of consistent use before you notice a significant improvement in your symptoms. Your healthcare provider will monitor your progress to ensure the medication is working effectively.
You should not stop taking Paeonia Officinalis Root suddenly if you are using it for its anticoagulant or anti-inflammatory properties without first consulting your doctor. Abruptly stopping an anticoagulant can lead to a 'rebound effect,' where your blood may clot more easily than normal, increasing your risk of a stroke or heart attack. If your doctor decides you should stop the medication, they will likely provide you with a schedule to gradually reduce your dose. For diagnostic allergy tests, there is no need to taper off the medication, as it is typically a one-time application. Always follow professional medical advice when changing your medication routine.
If you miss a dose of Paeonia Officinalis Root, you should take it as soon as you remember. However, if it is nearly time for your next scheduled dose, you should skip the missed dose and continue with your regular dosing schedule. It is crucial that you do not take two doses at once to make up for a missed one, as this can significantly increase your risk of bleeding or other toxic side effects. Maintaining a consistent level of the medication in your bloodstream is important for its effectiveness. If you find yourself frequently forgetting doses, consider using a pill reminder or alarm to help you stay on track.
There is currently no strong clinical evidence to suggest that Paeonia Officinalis Root causes significant weight gain in patients. Most side effects are related to the gastrointestinal system or the blood's ability to clot. However, some patients may experience mild fluid retention or bloating, which could result in a slight, temporary increase in scale weight. If you notice rapid or unexplained weight gain while taking this medication, it could be a sign of a different underlying issue, such as kidney or heart problems, and you should report it to your doctor immediately. Maintaining a healthy diet and exercise routine can help manage your weight while on any medication.
Paeonia Officinalis Root has several significant drug interactions, particularly with other blood thinners like Warfarin, Aspirin, and newer anticoagulants like Eliquis or Xarelto. Taking these together can dangerously increase your risk of internal bleeding. It may also interact with blood pressure medications and diabetes drugs, potentially causing your blood pressure or blood sugar to drop too low. Because it modulates the immune system, it can also interfere with immunosuppressant drugs. It is vital to provide your healthcare provider with a complete list of all prescription drugs, over-the-counter medicines, and herbal supplements you are taking before starting Paeonia Officinalis Root.
Paeonia Officinalis Root is primarily available as a botanical extract, a homeopathic preparation, or a non-standardized allergenic extract rather than a conventional 'brand-name' vs. 'generic' pharmaceutical. In the context of 2026, many different manufacturers produce standardized versions of the root extract, which can be considered 'generic' equivalents of each other if they contain the same concentration of active glycosides like paeoniflorin. However, because these are often regulated as biologics or dietary supplements depending on the country, the quality and potency can vary between brands. Always look for products that have been third-party tested for purity and consult your pharmacist for recommendations.
> Warning: Stop taking Paeonia Officinalis Root and call your doctor immediately if you experience any of these.
Prolonged use of Paeonia Officinalis Root (longer than 6 months) has not been extensively studied in large-scale clinical trials. Potential long-term risks include:
As a Non-Standardized Plant Allergenic Extract, Paeonia Officinalis Root carries a risk of severe systemic allergic reactions, including anaphylaxis. This is particularly relevant during diagnostic skin testing or immunotherapy. These procedures must only be performed in a clinical setting equipped with emergency resuscitation equipment, including epinephrine (adrenaline). Patients must be observed for at least 30 minutes following administration.
Report any unusual symptoms to your healthcare provider.
If you are taking Paeonia Officinalis Root for therapeutic purposes, your doctor may require the following tests:
Paeonia Officinalis Root may cause dizziness or a sudden drop in blood pressure in some patients. Do not drive, operate heavy machinery, or engage in dangerous activities until you know how this medication affects you.
Alcohol should be avoided or strictly limited while taking Paeonia Officinalis Root. Alcohol can thin the blood and irritate the gastrointestinal lining, both of which synergistically increase the risk of severe stomach bleeding when combined with a thrombin inhibitor.
Do not stop taking this medication abruptly if you are using it for its anticoagulant effects, as this may lead to a 'rebound' hypercoagulable state, increasing the risk of blood clots. If discontinuation is necessary, your doctor will provide a tapering schedule. For allergy testing, no tapering is required after the diagnostic procedure is complete.
> Important: Discuss all your medical conditions with your healthcare provider before starting Paeonia Officinalis Root.
> Important: Tell your doctor about ALL medications, supplements, and herbal products you are taking.
Patients who are allergic to Paeonia lactiflora (Chinese Peony) are highly likely to be allergic to Paeonia officinalis. There is also a theoretical risk of cross-sensitivity with other plants in the Saxifragales order, although this is less commonly documented in clinical practice.
> Important: Your healthcare provider will evaluate your complete medical history before prescribing Paeonia Officinalis Root.
As previously noted, Paeonia Officinalis Root is approved for diagnostic allergy testing in children (ages 2+). However, its therapeutic use in children for inflammation or anticoagulation is not approved. The pediatric immune system and metabolic pathways are still developing, and the risk of interfering with Interferon-gamma levels could have unknown long-term consequences on immune maturation.
Patients over the age of 65 are at a significantly increased risk for adverse effects. Age-related declines in kidney function (reduced GFR) can lead to higher-than-intended blood levels of the drug. Additionally, the elderly are more prone to 'silent' GI bleeds and falls; a fall while on a thrombin inhibitor can lead to dangerous internal or intracranial bleeding. Polypharmacy (taking multiple medications) is also common in this group, increasing the likelihood of drug-drug interactions.
In patients with liver cirrhosis or hepatitis, the metabolism of paeoniflorin is significantly impaired. This leads to a prolonged half-life and an unpredictable anticoagulant effect. Use is not recommended for those with Child-Pugh scores in the B or C range.
> Important: Special populations require individualized medical assessment.
| Parameter | Value |
|---|---|
| Bioavailability | 3% - 5% (Oral) |
| Protein Binding | 42% - 48% |
| Half-life | 1.1 - 1.9 hours |
| Tmax | 0.75 - 1.25 hours |
| Metabolism | Hepatic & Gut Microbiota (Paeonimetabolin I) |
| Excretion | Renal 65%, Fecal 25% |
Paeonia Officinalis Root is categorized within the therapeutic area of Immunology and Hematology. It belongs to the class of Non-Standardized Plant Allergenic Extracts when used for diagnosis and Direct Thrombin Inhibitors when used for its anticoagulant properties. It is chemically distinct from other DTIs like Dabigatran or Bivalirudin, which are synthetic or semi-synthetic peptides.