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Medicinal Herbs Database

Explore 2,700+ herbs with evidence-based information

AllDigestiveImmune SupportNervineCardiovascular
IR
Respiratory

Ipecac Root

Cephaelis ipecacuanha

An Amazonian herb used for centuries to treat dysentery and as an expectorant for respiratory conditions.

dysenteryLow doses: 15-30mg alkaloid equivalent
PregnancyNursing
JL
Respiratory

Juniper Leaf

Juniperus communis (leaf)

Leaf preparations of common juniper with different essential oil profile than berries, for respiratory use.

Nordic respiratory herbSteam inhalation or 1-2% diluted oil topically
PregnancyNursing
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Respiratory
Anti-inflammatory
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Womens Health
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JP
Respiratory

Juniperus phoenicea

Juniperus phoenicea

A Mediterranean juniper used in folk medicine for respiratory and digestive conditions.

Respiratory conditionsBerry tea 1-2g; essential oil diluted
PregnancyNursing
K
Respiratory

Kantkari

Solanum xanthocarpum

Spiny Ayurvedic herb used for respiratory conditions, fever, and urinary disorders; part of Dashamoola formulation.

Asthma treatment2-4g powder daily; 500mg extract twice daily
PregnancyNursing
KK
Respiratory

Kapoor Kachri

Hedychium spicatum

Himalayan ginger relative used in Ayurveda for respiratory conditions, nausea, and as an aromatic digestive; important in Tibetan medicine too.

Respiratory conditionsRhizome powder: 1-3g daily in food; tea 1-2 cups
PregnancyNursing
K
Respiratory

Karpuravalli

Coleus aromaticus

South and Southeast Asian succulent used in Ayurveda and Siddha medicine for cough, cold, asthma, and digestive conditions; popular home remedy.

Cough and coldFresh leaf juice: 1-2 tablespoons 2-3 times daily; leaf tea 2-3 cups
PregnancyNursing
KH
Respiratory

Khella Herb

Ammi visnaga

An ancient Egyptian medicinal herb; khellin inspired the development of amiodarone and sodium cromoglycate; used for asthma, angina, and kidney stones.

Asthma and spasmodic cough in Egyptian medicine300-500mg standardized extract or 3g herb twice daily
PregnancyNursing
K
Respiratory

Khobiza

Malva parviflora

North African mallow species used as a traditional food and medicine across Morocco, Algeria, and Tunisia; demulcent properties for digestive and respiratory use.

Digestive soothingHerb or flower tea: 2-3 cups daily; leaves as cooked vegetable
PregnancyNursing
KB
Respiratory

Korean Bellflower Root

Platycodon grandiflorum

Korean and East Asian root used in TCM as Jie Geng for lung conditions and cough, and eaten as a traditional Korean vegetable (doraji).

Lung conditions and cough in TCM as Jie Geng3-9g dried root in decoction; eaten as vegetable; 500mg extract twice daily
PregnancyNursing
KX
Respiratory

Ku Xing Ren Seed

Prunus armeniaca semen

TCM premier antitussive seed; stops cough, descends lung qi, and moistens intestines; amygdalin provides activity.

Stops cough and descends lung qi4.5-9g hulled; stir-fry to reduce toxicity
PregnancyNursing
KD
Respiratory

Kuan Dong Hua Substitute

Farfaraea officinalis

Alpine coltsfoot variant with similar properties to Tussilago farfara; used in European alpine medicine for respiratory conditions.

Coughs and respiratory conditions in Alpine folk medicine2–3 g dried herb as tea
PregnancyNursing
K
Respiratory

Kumarahou

Pomaderris kumerahou

New Zealand endemic shrub used by Maori for respiratory conditions, particularly for coughs, bronchitis, and as a general tonic.

Respiratory conditions and cough in Maori medicine1-2 cups leaf tea daily
PregnancyNursing
LT
Respiratory

Labrador Tea

Rhododendron groenlandicum

Circumpolar shrub used by First Nations peoples across Canada and Alaska as medicinal tea for coughs, colds, and digestive conditions.

Respiratory conditions in Cree and Ojibwe medicine1-2g dried leaves steeped 5-10 minutes as tea 2x daily (dilute)
PregnancyNursing
LL
Respiratory

Lavandula latifolia

Lavandula latifolia

Mediterranean lavender with camphor-rich essential oil used for respiratory and pain conditions.

respiratory infectionsEssential oil diluted 2-3% in carrier; 2-4g dried herb as tea
PregnancyNursing
LT
Respiratory

Lebanese Thyme

Thymus capitatus

Wild thyme dominant in Lebanese za`atar spice blend, used medicinally across the Levant for respiratory and digestive health.

respiratory tonic2-4g dried herb as tea or fresh as food
PregnancyNursing
LM
Respiratory

Ledum Marsh

Rhododendron tomentosum

Bog shrub of northern Europe and North America used in Scandinavian folk medicine for respiratory conditions and as insect repellent, distinct from Labrador tea.

Respiratory conditions in Scandinavian folk medicineVery dilute tea only: 0.5-1g dried herb steeped 5 minutes
PregnancyNursing
L
Respiratory

Leek

Allium porrum

Ancient vegetable from Middle East with medicinal use for respiratory and digestive conditions.

Ancient Egyptian folk medicine100-200g cooked leeks daily or as food
PregnancyNursing
LT
Respiratory

Lemon Thyme

Thymus x citriodorus

Hybrid thyme with pronounced lemon fragrance; used in culinary and folk medicine for respiratory and digestive conditions.

Culinary and folk medicine for coughs2–3 g dried herb as tea; diluted essential oil in aromatherapy
PregnancyNursing
LV
Respiratory

Lentibularia vulgaris

Utricularia vulgaris

Aquatic carnivorous plant; used in traditional Asian folk medicine for respiratory conditions.

cough3-5g dried plant tea 2x/day
PregnancyNursing
LT
Respiratory

Libyan Thyme

Thymus capitatus var. africanus

Pungent thyme variety from North African coastal areas used in Libyan folk medicine for respiratory and digestive conditions.

respiratory tonic in North African medicine2-4g dried herb as tea
PregnancyNursing