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Safety Overview
1.Sangre de Grado — Botanical Snapshot
Croton lechleri, commonly known as Sangre de Grado or Dragon's Blood, is a remarkable evergreen tree native to the lush Amazon rainforests of South America, typically reaching impressive heights of 10 to 15 meters, though some specimens can grow even taller. Its distinctive leaves are dark green, glossy, and ovate, ranging from 10 to 25 cm in length, arranged spirally along its branches. The tree's bark is particularly striking, presenting a reddish-brown hue that deepens with age and possesses a rough texture, often peeling in irregular flakes.
Small, unassuming greenish-yellow flowers bloom in racemes, emitting a subtle yet aromatic fragrance that attracts diverse pollinators. This species thrives in the humid, tropical climates of the Amazon, predominantly found in riverine areas, indicating its preference for well-drained soils rich in organic matter. Taxonomically, Croton lechleri belongs to the extensive Euphorbiaceae family, known for its diverse members, many of which exhibit significant medicinal properties.
This unique botanical species has garnered global recognition for its potent reddish sap, which is sustainably harvested as a revered natural remedy, celebrated for its wide array of therapeutic effects.
Trusted Scientific References
Authoritative external sources for Croton lechleri:
Sangre de Grado should be interpreted through verified botanical identity, practical care, and responsible safety language. This recovery note adds the missing context needed for a complete profile: match light to the plant's habit, use well-drained soil, water according to season, and avoid unsupported medicinal or edible claims. For publishing, the plant can be presented as a source-backed medicinal plant with clear care guidance, common problem diagnosis, and conservative safety wording.
1.1.Sangre de Grado — Distinguishing Points
- ✓Amazonian Origin — Native to the Amazon rainforests of South America.
- ✓Unique Red Sap — Produces a distinctive reddish-brown latex, resembling blood.
- ✓Traditional Remedy — Deeply rooted in indigenous Amazonian medicinal practices.
- ✓Potent Wound Healer — Known for rapidly forming a protective, healing barrier on skin.
- ✓Anti — Diarrheal Action — Contains crofelemer, effective against various forms of diarrhea.
- ✓Anti — inflammatory Properties — Helps reduce swelling and pain.
- ✓Broad — Spectrum Antimicrobial — Active against bacteria, viruses, and fungi.
- ✓Rich in Bioactive Compounds — Abundant in proanthocyanidins, alkaloids, and flavonoids.
- ✓Versatile Application — Used both topically for skin conditions and orally for digestive issues.
- ✓Sustainable Harvesting — Traditionally harvested with methods that preserve tree health.
1.2.Sangre de Grado — At-a-Glance Summary
- ✓Amazonian 'Dragon's Blood' tree, Croton lechleri, known for its red sap.
- ✓Revered in traditional medicine for wound healing and gastrointestinal support.
- ✓Contains crofelemer (SP-303), an FDA-approved drug for HIV/AIDS-related diarrhea.
- ✓Exhibits potent anti-inflammatory, antimicrobial, and antiviral properties.
- ✓Used topically for cuts, burns, insect bites, and herpes lesions.
- ✓Caution advised for pregnant/breastfeeding individuals and those with leukemia.
2.Sangre de Grado — Scientific Identity
3.Sangre de Grado — Categories & Tags
4.Sangre de Grado — Botanical Description
5.Sangre de Grado — Traditional Uses
6.Sangre de Grado — Chemical Profile
- ✓Oligomeric Proanthocyanidins — These complex polyphenols, including the well-studied crofelemer (SP-303), are responsible for the sap's anti-diarrheal action by inhibiting chloride secretion in the gastrointestinal tract, and contribute to its antiviral and antioxidant properties.
- ✓Alkaloids — Taspine is a prominent alkaloid known for its potent wound-healing and anti-inflammatory effects, actively promoting collagen synthesis and fibroblast migration critical for tissue repair.
- ✓Flavonoids — A diverse group including catechins and gallocatechins, which act as powerful antioxidants, protecting cells from oxidative stress, and contribute to the plant's anti-inflammatory and astringent qualities.
- ✓Lignans — Compounds like dihydrobenzofuran lignans have been identified, showing potential anti-proliferative activities, which may contribute to the plant's traditional use in various conditions.
- ✓Triterpenes — These compounds often contribute to the plant's anti-inflammatory, analgesic, and antimicrobial properties, enhancing its overall therapeutic profile.
- ✓Phenolic Acids — Various phenolic acids are present, offering significant antioxidant capacity and contributing to the plant's protective effects against cellular damage and inflammation.
- ✓Tannins — Responsible for the sap's strong astringent properties, tannins help to constrict tissues, reduce bleeding, and form a protective barrier on skin and mucous membranes, crucial for wound healing and anti-diarrheal actions.
- ✓Diterpenes — Another class of compounds that may contribute to the plant's diverse biological activities, including potential anti-inflammatory and antimicrobial effects.
7.Sangre de Grado — Scientific Evidence
- ✓Diarrhea in HIV/AIDS Patients — A chemical derived from Sangre de Grado, crofelemer (SP-303), is FDA-approved to reduce non-infectious diarrhea in individuals with HIV/AIDS by regulating chloride secretion in the intestines.
- ✓Traveler's Diarrhea Relief — Crofelemer has been shown to alleviate traveler's diarrhea, potentially shortening its duration by several hours through its action on fluid loss in the intestines.
- ✓Genital and Anal Herpes Treatment — Topical application of crofelemer has demonstrated effectiveness in treating outbreaks of genital and anal herpes simplex lesions, particularly in AIDS patients, by inhibiting viral replication.
- ✓Accelerates Wound Healing — The sap's rich content of taspine and proanthocyanidins promotes tissue regeneration and collagen formation, significantly aiding in the closure and healing of cuts, burns, and abrasions.
- ✓Anti-inflammatory Action — Sangre de Grado exhibits potent anti-inflammatory properties, reducing swelling and pain associated with various conditions, both internally and externally, through modulation of inflammatory pathways.
- ✓Antimicrobial and Antiseptic — Its constituents possess broad-spectrum antimicrobial activity against bacteria, fungi, and viruses, making it a valuable antiseptic for preventing infection in wounds and skin irritations.
- ✓Gastrointestinal Support — Traditionally used to soothe the digestive tract, its astringent properties help tighten tissues and reduce fluid loss, beneficial for conditions like diarrhea and supporting overall gut health.
- ✓Analgesic Properties — The plant's sap has been used to alleviate pain, acting as a natural analgesic, potentially by blocking pain signals in nerve endings when applied topically.
- ✓Insect Bite and Skin Irritation Relief — Topical application can rapidly soothe itching, swelling, and discomfort from insect bites and other skin irritations, owing to its anti-inflammatory and astringent effects.
- ✓Oral Health Support — Traditional uses include applying the sap to bleeding gums and mouth ulcers, leveraging its astringent and antimicrobial qualities to promote healing and reduce inflammation.
7.1.Sangre de Grado — Indications & Uses
8.Sangre de Grado — Safety Considerations
8.1.Sangre de Grado — Warnings
- ✓Stomach Pain and Gas — Oral intake of crofelemer, the purified derivative, has been associated with gastrointestinal discomfort including abdominal pain and flatulence.
- ✓Headache — Some individuals taking crofelemer orally have reported experiencing headaches as a side effect.
- ✓Bronchitis — Oral administration of crofelemer has occasionally been linked to respiratory symptoms, including bronchitis.
- ✓Topical Pain and Burning — When applied directly to the skin, especially to open lesions, some users have reported localized pain or a burning sensation.
- ✓Allergic Reactions — Although rare, individuals may experience allergic skin reactions or sensitivities to the sap or its components.
- ✓Liver Concerns — There is insufficient reliable information regarding the long-term effects of crude Sangre de Grado sap on liver function; caution is advised.
- ✓Drug Interactions — Potential interactions with other medications are not fully established for crude sap; consult a healthcare professional.
8.2.Sangre de Grado — Risk Assessment
- ✓Pregnancy and Breastfeeding — Due to insufficient reliable information regarding its safety, Sangre de Grado should be avoided during pregnancy and breastfeeding.
- ✓Leukemia — Individuals diagnosed with leukemia should avoid using Sangre de Grado, as there is a concern it might exacerbate this condition.
- ✓Crofelemer Safety — The purified chemical crofelemer (SP-303) is considered likely safe when taken orally and possibly safe when applied topically, based on clinical studies.
- ✓Crude Sap Caution — There is not enough reliable scientific information to definitively assess the safety of crude Sangre de Grado sap for oral use or its full range of side effects.
- ✓Consult Healthcare Professional — Always consult a doctor or qualified herbalist before using Sangre de Grado, especially if you have pre-existing medical conditions or are taking other medications.
- ✓Topical Application — When applied to the skin, it is important to test a small area first to check for any adverse reactions, particularly for the crude sap.
- ✓Dosage Adherence — Follow recommended dosages for standardized products (like crofelemer) strictly, as excessive use of crude sap may lead to unknown risks.
9.Sangre de Grado — Preparations & Uses
- ✓Topical Application of Sap — The raw sap is traditionally applied directly to wounds, cuts, burns, insect bites, and skin irritations; it dries quickly to form a protective, antiseptic barrier.
- ✓Oral Intake for Diarrhea — Standardized crofelemer (SP-303) is taken orally in capsule form, as prescribed, for HIV/AIDS-related diarrhea and has been studied for traveler's diarrhea.
- ✓Traditional Internal Use — Indigenous communities historically consumed small amounts of the sap diluted in water for gastrointestinal issues, inflammation, and as a general tonic.
- ✓Tinctures and Extracts — Extracts or tinctures made from the bark or sap can be used internally or externally, following professional guidance, for various therapeutic purposes.
- ✓Ointments and Creams — Formulations containing crofelemer or crude sap extracts are available for topical application, particularly for herpes lesions and other skin conditions.
- ✓Mouth Rinses — Diluted sap or extract can be used as a mouth rinse for bleeding gums, mouth ulcers, and general oral hygiene due to its astringent and antimicrobial properties.
- ✓Poultices — In traditional practices, bark or leaf preparations might be used as poultices for external application to reduce swelling or aid healing.
10.Sangre de Grado — Garden Cultivation
- ✓Climate Preference — Thrives in humid, tropical to subtropical climates with ample rainfall, ideally mimicking its native Amazonian environment.
- ✓Soil Requirements — Prefers well-drained, fertile, organically rich soils, typically with a slightly acidic to neutral pH (5.5-7.0).
- ✓Light Exposure — Requires full sun to partial shade; young plants benefit from some shade protection, while mature trees can tolerate full sun.
- ✓Propagation — Can be propagated from seeds, which require scarification to improve germination, or from cuttings, which should be taken from semi-hardwood stems.
- ✓Watering — Needs consistent moisture, especially during dry periods, but avoids waterlogging; irrigation should mimic natural rainfall patterns.
- ✓Fertilization — Benefits from regular application of organic compost or balanced slow-release fertilizers to support vigorous growth.
- ✓Pest and Disease Management — Generally resilient, but monitor for common tropical pests and fungal diseases, addressing issues with organic solutions when possible.
- ✓Sustainable Harvesting — For sap collection, traditional methods involve carefully making a V-shaped incision in the bark and collecting the exudate, ensuring the tree's long-term health and regeneration.
Reviewed by the Flora Medical Global Botanical Review Panel
Multi-disciplinary editorial group · Botany · Ethnobotany · Herbal-medicine literature
Who reviewed this: This page was checked by the Flora Medical Global Botanical Review Panel — an in-house editorial group of botany graduates, ethnobotany researchers, and horticulture practitioners who collectively maintain our 7,000+ plant encyclopedia. Meet the team.
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1. Taxonomic verification
Scientific names and synonyms cross-checked against Kew POWO, World Flora Online, and The Plant List.
2. Phytochemical & medicinal cross-reference
Active compounds, traditional uses, and reported activities are cross-referenced with PubMed, USDA Dr. Duke's database, and peer-reviewed ethnobotanical literature.
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Distribution, ecology, and conservation status confirmed against GBIF occurrence records and the IUCN Red List.
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Important medical disclaimer: This content is for educational and research purposes only. It is not medical advice and is not a substitute for consultation with a licensed healthcare provider. Do not use any herb to self-treat a medical condition without professional guidance.
Editorial Note: This page is for educational and research purposes only and is not medical advice.
Written by: Flora Medical Global Editorial Team
Reviewed by: Flora Medical Global Botanical Review Panel
Last Updated: June 28, 2026








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