Prickly ash, Zanthoxylum clava-herculis, Toothache tree, Tingle tongue

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Article Summary

Southern prickly ash botanically called Zanthoxylum clava-herculis has other common names such as Toothache tree, Tingle tongue, Hercules’ club, Pepperwood, Hercules-club prickly ash, Prickly Ash, Southern Prickly-ash, Fresno Espinosa del Sur, Prickly Ash, Sea Ash, Prickly Yellow Wood, Toothache Tree, Xanthoxylum, Zanthoxylum clava-herculis and Zanthoxylum. Southern Prickly Ash belongs to the genus which consists of about 250 species of spiny, evergreen or deciduous trees and...

Key Takeaways

  • This article explains Facts of Southern Prickly Ash in simple medical language.
  • This article explains Southern Prickly Ash Scientific Classification in simple medical language.
  • This article explains Traditional uses in simple medical language.
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Definition

Southern prickly ash botanically called Zanthoxylum clava-herculis has other common names such as Toothache tree, Tingle tongue, Hercules’ club, Pepperwood, Hercules-club prickly ash, Prickly Ash, Southern Prickly-ash, Fresno Espinosa del Sur, Prickly Ash, Sea Ash, Prickly Yellow Wood, Toothache Tree, Xanthoxylum, Zanthoxylum clava-herculis and Zanthoxylum. Southern Prickly Ash belongs to the genus which consists of about 250 species of spiny, evergreen or deciduous trees and shrubs and usually occurs in subtropical and warm temperate regions worldwide. Many species are grown in various parts of the world for medicinal, wood, and culinary purposes. The tree of Southern Prickly Ash grows up to 10 to 17 m tall. It bears the leaves which are pinnately divided and flowers are small and yellow to green which is then followed by tiny black fruits growing in clusters. It prefers sandy soils and its habitats include pine barens, dry to mesic dunes, woodlands, and sandhills.

Facts of Southern Prickly Ash

Name Southern Prickly Ash
Scientific Name Zanthoxylum clava-herculis
Common/English Name Toothache tree, Tingle tongue, Hercules’ club, Pepperwood, Percules-club pricklyash, Prickly Ash, Southern Prickly-ash, Frêne Épineux Américain, Fresno Espinoso del Sur, Frêne Épineux du Sud, Prickly Ash, Sea Ash, Prickly Yellow Wood, Toothache Tree, Xanthoxylum, Zanthoxylum clava-herculis, Zanthoxylum
Soil Well-drained
Plant Size 10 to 17 m tall
Leaf Glabrous, leathery, pinnately compound, 20 to 30 cm long
Flowering Season Mid-spring
Flower Dioecious, small, white, 6 to 8 mm diameter
Fruit shape & size 6 mm diameter
Plant parts used Bark, berry
Seed Black

Southern Prickly Ash Scientific Classification

Scientific Name: Zanthoxylum clava-herculis

Rank Scientific Name & (Common Name)
Kingdom Plantae (Plants)
Subkingdom Viridiplantae
Infrakingdom Streptophyta  (Land plants)
Superdivision Embryophyta
Division Tracheophyta  (Vascular plants, tracheophytes)
Class Magnoliopsida
Subclass Rosidae
Order Sapindales
Family Rutaceae  (Rues, rutacées)
Genus Zanthoxylum L. (Pricklyash)
Species Zanthoxylum clava-herculis L. (Hercules-club, Hercules-club pricklyash, Hercules’ club)
Synonyms
  • Fagara caroliniana (Lam.) Engl.
  • Fagara clava-herculis Small
  • Fagara clava-herculis var. fruticosa Sarg.
  • Fagara fraxinifolia (Walt.) Lam.
  • Kampmannia fraxinifolium (Walt.) Rafin.
  • Pseudopetalon glandulosum Rafin.
  • Pseudopetalon tricarpum Rafin.
  • Xanthophyllon clava-herculis (L.) St. Lag.
  • Zanthoxylum alveolatum Shuttl.
  • Zanthoxylum alveolatum Shuttl. ex S. Wats.
  • Zanthoxylum aromaticum Willd.
  • Zanthoxylum carolinianum Lam.
  • Zanthoxylum catesbianum Rafin.
  • Zanthoxylum clava-herculis subsp. clava-herculis
  • Zanthoxylum clavatum St. Lag.
  • Zanthoxylum coriaceum Wright
  • Zanthoxylum coriaceum Wright ex A. Gray
  • Zanthoxylum digynum Engelm.
  • Zanthoxylum digynum Engelm. ex A. Gray
  • Zanthoxylum fraxinifolium Walter
  • Zanthoxylum hidalgense Lundell
  • Zanthoxylum macrophyllum Nutt.
  • Zanthoxylum tricarpum Michx.

Prickly ashes possess chelerythrine which is a benzophenanthridine alkaloid and effective and anti-microbial activity. Native Americans use it to ease of rheumatism and toothache. The oil extracted from herb has xanthoxylin which provides stimulating, cleansing, antirheumatic and diaphoretic properties. It is used to treat various disorders such as painful throats, upset stomachs, skin infections and throbbing muscles. Moreover, the bark of Prickly ash is used to promote saliva secretion and treat various health ailments. In the end of 19th century, eclectic doctors use it as a medication for digestive problems and strengthen the nervous system, and also cured cholera. Herbalists used the bark to cure rheumatic problems and improve the body’s ability to counteract various physical problems. North American people chew both berries and bark to alleviate toothaches and rheumatism. Mesquakie used leaves, berries, the bark of root, and bark of trunk. Berries and bark possess strong expectorants which make it syrup for , cure for , and hemorrhages.

Plant

Southern prickly ash is a shrub or spiny tree which is inherent to the Southeastern United States. This spiny tree grows to the height of 10 to 17 meters with distinctive spined thick and corky lumps which are 2 to 3 cm long on the bark. It bears leathery and glabrous leaves which are pinnately compound and measures 20 to 30 cm long. It has 7 to 19 leaflets and each leaflet measures about 4 to 5 cm long. Flowers are dioecious, small and white in color with a diameter 6 to 8 mm. Fruits is two valved capsule that measures 6 mm in diameter having a rough surface. It has several small black seeds. The tree requires abundant water and sunlight.

Traditional uses

  • It is useful to treat cramps, rheumatic conditions, and rheumatic symptoms.
  • The berries are useful for circulatory disorders.
  • When the bark and leaves are chewed, it causes of mouth, tongue and teeth which provides relief from toothache.
  • Fruits possess stimulant, diaphoretic properties and is used as a tonic for stomach and digestive ailments.
  • It is useful for ague, fevers and poor circulation.
  • Bark and roots are used to comfort pain due to toothache.
  • Chew the bark to promote copious salivation.
  • Rub fruit on skin such as mouth or lips to produce temporary sensation loss.
  • The tincture or tea prepared from bark is used to treat , rheumatism, dysentery, and heart problems.
  • Consume tea prepared from inner bark for treating itchy skin.
  • In United States, it is used for typhoid, chronic rheumatism, impurity of blood and skin diseases.
  • It is used as a tonic for cramps, colic, lethargy and cholera.
  • Powdered bark is used to heal the wounds.
  • Southern prickly ash is helpful for blood circulation problems in fingers and legs, , sores, toothache, ongoing joint pain and ulcers.
  • Boil the inner bark with root of sarsaparilla and drink it to gain strength during illness.
  • Bark was used by Comanches to treat , and toothache.
  • In 19th century, it is used to stimulate circulatory system and cure .
  • In Ayurvedic medicine, it is used for , toothache, ear and eye conditions, colic, dyspeptic symptoms, fever, , worm infestation, , coughs, fever, leprosy and .
  • The tincture helps to stimulate blood flow to stiff and painful joints and promotes supply of nutrients and oxygen to the areas and eliminates waste products.
  • Combine the decoction with ginger which promotes circulation.
  • It provides relief from gas, diarrhea and tones digestive health.
  • Apply it topically to chronic pelvic inflammatory disease and leg ulcers.
  • In South Africa, it is used as a treatment for rheumatic conditions.
  • Use it internally to heal varicose and skin ulcers.

Precautions   

  • It lowers the absorption of gut iron.
  • It might cause , sun sensitivity and bleeding.
  • It could interfere with cardiac glycoside therapy and blood clotting drugs.
  • It starts menstrual period and harm the pregnancy so, it should not be used by pregnant women.
  • Avoid by breast-feeding women because it causes colic in nursing infant.
  • Southern Prickly Ash might affect .
  • Overdoses causes increase cardiac function, salivation and elevation of blood pressure.
  • If used internally, it causes inflammatory stomach conditions.

 


References

Doctor visit helper

Prepare before seeing a doctor

A simple rural-patient checklist to help you explain symptoms clearly, ask better questions, and avoid unsafe self-treatment.

Safety note: This is not a prescription or diagnosis. For severe symptoms, pregnancy danger signs, children with serious illness, chest pain, breathing difficulty, stroke-like weakness, or major injury, seek urgent care.

Which doctor may help?

Start with a registered doctor or the nearest qualified health center.

What to tell the doctor

  • Write when the problem started and how it changed.
  • Bring old prescriptions, investigation reports, and current medicines.
  • Write allergies, pregnancy status, diabetes, kidney/liver disease, and major past illnesses.
  • Bring one family member if the patient is weak, elderly, confused, or a child.

Questions to ask

  • What is the most likely cause of my symptoms?
  • Which danger signs mean I should go to hospital quickly?
  • Which tests are necessary now, and which can wait?
  • How should I take medicines safely and what side effects should I watch for?
  • When should I come for follow-up?

Tests to discuss

  • Vital signs: temperature, pulse, blood pressure, oxygen saturation
  • Basic physical examination by a clinician
  • CBC, urine test, blood sugar, or imaging only when clinically needed

Avoid these mistakes

  • Do not use antibiotics, steroid tablets/injections, or strong painkillers without proper medical advice.
  • Do not hide pregnancy, kidney disease, ulcer, allergy, or blood thinner use.
  • Do not delay emergency care when danger signs are present.

Medicine safety and first-aid guide

This section is for patient education only. It does not replace a doctor, pharmacist, or emergency care.

Safe first steps

  • Avoid heavy lifting, sudden bending, and prolonged bed rest.
  • Use comfortable posture and gentle movement as tolerated.
  • Discuss physiotherapy, X-ray, or MRI only when clinically needed.

OTC medicine safety

  • For mild back pain, pain-relief medicine may be discussed with a doctor or pharmacist.
  • Avoid repeated painkiller use if you have kidney disease, stomach ulcer, uncontrolled blood pressure, or are taking blood thinners.

Avoid these mistakes

  • Do not start antibiotics without a proper medical decision.
  • Do not use steroid tablets or injections casually for quick relief.
  • Do not delay emergency care because of home remedies.

Get urgent help if

  • Back pain with leg weakness, numbness around private area, loss of urine/stool control, fever, cancer history, or major injury needs urgent care.
Medicine names, dose, and timing must be decided by a qualified clinician or pharmacist after checking age, pregnancy, allergy, other diseases, and current medicines.

For rural patients and family caregivers

Patient health record and symptom diary

Write your symptoms, medicines already taken, test results, and questions before visiting a doctor. This note stays on your device unless you print or copy it.

Doctor to discuss: Medicine doctor / pediatrician for children / qualified clinician
Tests to discuss with doctor
  • Temperature chart and hydration assessment
  • CBC with platelet count if fever persists or dengue/other infection is possible
  • Urine test, malaria/dengue tests, chest evaluation, or blood culture only when clinically indicated
Questions to ask
  • What is the most likely cause of my symptoms?
  • Which warning signs mean I should go to emergency care?
  • Which tests are really needed now?
  • Which medicines are safe for my age, pregnancy status, allergy, kidney/liver/stomach condition, and current medicines?
  • Do I need antibiotics, or is this more likely viral?

Emergency warning signs such as chest pain, severe breathing difficulty, sudden weakness, confusion, severe dehydration, major injury, or loss of bladder/bowel control need urgent medical care. Do not wait for online information.

Safe pathway to proper treatment

Care roadmap for: Prickly ash, Zanthoxylum clava-herculis, Toothache tree, Tingle tongue

Use this simple roadmap to understand the next safe steps. It is educational and does not replace examination by a doctor.

Go to emergency care if you notice:
  • Severe or rapidly worsening symptoms
  • Breathing difficulty, chest pain, fainting, confusion, severe weakness, major injury, or severe dehydration
Doctor / service to discuss: Qualified healthcare provider; specialist depends on symptoms and examination.
  1. Step 1

    Check danger signs first

    If danger signs are present, seek emergency care and do not wait for online information.

  2. Step 2

    Record the symptom story

    Write when symptoms started, severity, medicines already taken, allergies, pregnancy status, and test results.

  3. Step 3

    Visit a qualified clinician

    A doctor, nurse, or qualified healthcare provider can examine you and decide which tests or treatment are needed.

  4. Step 4

    Do only useful tests

    Do tests after clinical assessment. Avoid unnecessary tests, random antibiotics, or repeated medicines without diagnosis.

  5. Step 5

    Follow up and return early if worse

    If symptoms worsen, new warning signs appear, or treatment is not helping, return for review quickly.

Rural patient practical tips
  • Take a written symptom diary and all previous prescriptions/test reports.
  • Do not hide medicines already taken, even herbal or over-the-counter medicines.
  • Ask which warning signs mean urgent referral to hospital.

This roadmap is for education. A real diagnosis and treatment plan requires history, examination, and clinical judgment.

Internal learning pathway

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