Devadaru for Conjunctivitis: Does It Work?
Does Devadaru (Himalayan Cedar) help with conjunctivitis? Yes, but only for certain types, and only in the hands of a practitioner. Classical texts name it in eye preparations for the Vata and Kapha forms of conjunctivitis, not for the hot, burning Pitta form that is most common.
Ayurveda calls conjunctivitis (Abhishyanda), meaning "that which flows or overflows." Sharangadhara Samhita describes it as four-fold: one type from each of the three doshas and one from the blood. Most cases are driven by Pitta, the hot dosha, which inflames the eye and causes redness, burning and light sensitivity.
Devadaru is bitter and pungent, light and slightly oily, with a hot potency (Ushna Virya), meaning it warms the body. It calms Vata and Kapha and is listed as an anti-inflammatory (Shothahara). That warmth is exactly why it fits the dry Vata type and the heavy, sticky Kapha type of eye inflammation, and why it is a poor fit when the eye is hot and burning.
What the classical texts say
Sushruta Samhita, Uttara Tantra, Chapter 9, on the treatment of Vata-type conjunctivitis, lists Devadaru in several preparations, including one ground with licorice, turmeric and haritaki.
Or milk prepared with rajani (turmeric) and devadaru (cedar) with rock salt.
Sushruta Samhita, Uttara Tantra, Chapter 9: Vatabhishyanda Pratishedha Adhyaya
Chapter 11, on Kapha-type conjunctivitis, names Devadaru with dry ginger, costus and barley grass for sweating therapy or paste application. These are practitioner-prepared classical measures, not home recipes for your eyes.
How Devadaru Helps with Conjunctivitis
The link between Devadaru and the eye comes down to matching qualities. Conjunctivitis is not one disease in Ayurveda but a pattern shaped by whichever dosha is in excess, and Devadaru's warming nature counters only the cold doshas.
Warmth against dry, gritty Vata eyes
Vata-type conjunctivitis feels dry and gritty, with little discharge. Devadaru's hot potency and slightly unctuous (Snigdha) quality counter Vata's cold and dryness, which is why Sushruta pairs it with ghee, milk and rock salt in the Vata chapter.
Lightness against heavy, sticky Kapha eyes
Kapha-type conjunctivitis brings thick, sticky discharge, heaviness and itching. Devadaru is light (Laghu), bitter and pungent, qualities that cut through Kapha's heaviness. Sushruta uses it in sweating and paste therapy for this type.
Why it does not suit Pitta-type conjunctivitis
Pitta-type conjunctivitis is the classic red, burning, light-sensitive eye. Here the goal is cooling. Devadaru adds heat, and high Pitta is its listed contraindication. Cooling measures such as Triphala, rose water and ghee, named in our conjunctivitis guide, fit that pattern better.
Devadaru also has a broader classical role in head disorders. Sharangadhara Samhita, Madhyama Khanda, Chapter 2, names a decoction of Agnimantha, Shati, Patha, dry ginger and Devadaru for all diseases of the head (Shiroroga).
How to Use Devadaru for Conjunctivitis
First, see an eye doctor for any red, painful or discharging eye. Do not put Devadaru powder, paste, oil or any other preparation into or around your eye yourself.
Classical eye preparations are practitioner territory
The Sushruta Samhita preparations for Vata-type conjunctivitis (Devadaru ground with licorice, turmeric and haritaki, or with rock salt, dry ginger and citron juice with ghee) and the sweating or paste therapy for Kapha-type conjunctivitis are classical clinical measures. A trained Ayurvedic practitioner prepares and applies them after deciding which dosha is involved.
Internal use
Our sources give no conjunctivitis-specific dose for Devadaru. The general internal dose for the wood powder (Churna) is 1 to 3 g (1/4 to 3/4 tsp) twice daily before meals with warm water, and a practitioner should decide whether it suits your eyes at all.
Match it to your type
- Vata type (dry, gritty, little discharge): the type Sushruta pairs it with ghee and milk.
- Kapha type (thick, sticky discharge, itching): the type its light, warming qualities suit best.
- Pitta type (bright red, burning, light hurts): skip Devadaru; its heat works against you.
Who should avoid it
Avoid Devadaru in pregnancy, while breastfeeding, with heartburn or ulcers, and when Pitta (heat) is high. Never take cedarwood essential oil internally.
Frequently Asked Questions
Is Devadaru good for pink eye?
Only for some types. Sushruta Samhita uses it for Vata-type and Kapha-type conjunctivitis. Most pink eye is the hot, burning Pitta type, and Devadaru's heat makes it a poor match there.
Can I put Devadaru paste or cedarwood oil on my eyes?
No. The classical eye preparations that include Devadaru are prepared and applied by trained practitioners. Do not put any powder, paste or oil in or near your eye, and see an eye doctor for a red, painful or discharging eye.
How long does Devadaru take to work for conjunctivitis?
Our sources give no timeline for this use. Most viral conjunctivitis settles within one to two weeks, and if your symptoms worsen after three to five days, see a doctor.
What is a better choice for burning, red eyes?
For the hot Pitta type, cooling herbs fit better. Look at Amla for conjunctivitis, Coriander for conjunctivitis or Rose for conjunctivitis.
Recommended: Start Devadaru for Conjunctivitis
If you want to explore Devadaru for conjunctivitis, start with an eye doctor for a diagnosis, then a qualified Ayurvedic practitioner who can tell you which dosha is driving your symptoms.
Best form: the wood powder (Churna) taken internally, only if a practitioner confirms a Vata or Kapha pattern. Never apply it to the eye yourself.
Dosha fork: for dry, gritty Vata-type eyes or heavy, sticky Kapha-type eyes, Devadaru's warmth can fit. For red, burning Pitta-type eyes, choose cooling support such as Triphala taken internally instead.
Find Devadaru on Amazon ↗ Triphala Powder ↗
Safety note: see an eye doctor for any red, painful or discharging eye, do not self-apply anything to the eye, and avoid Devadaru in pregnancy, while breastfeeding and when Pitta is high.
Safety & Precautions
Himalayan Cedar (Devadaru) is well tolerated by most people when used at standard doses, and no drug-herb interactions are formally known. The main exceptions come from its strong heating nature.
Who Should Avoid It
- High Pitta: Pitta is the hot, sharp, fire principle in Ayurveda. High Pitta is the listed contraindication, so avoid it during active burning, ulcers, gastritis, heavy menstrual bleeding or hot, red inflammation.
- Pregnancy and breastfeeding: avoid unless a qualified practitioner directs otherwise.
Medications
Although no interactions are formally documented, Himalayan Cedar has a diuretic action. If you take diuretics, blood pressure medicines or blood thinners, tell your doctor before starting. Never stop a prescribed medication in favour of the herb.
Signs You Are Taking Too Much
Reduce the dose or stop if you notice heartburn, throat irritation or burning urination. These are signs the herb's heat is aggravating Pitta.
Cedarwood Oil
The essential oil is for diluted topical use only and should never be taken internally undiluted. Rare skin allergy is possible, so patch-test on a small area first.
Other Herbs for Conjunctivitis
See all herbs for conjunctivitis on the Conjunctivitis page.
▶ Classical Text References (8 sources)
- Jwara (fever)
- Krimi (worms/parasites)
- Kushtha (skin diseases)
- Prameha (urinary disorders/diabetes)
- Medoroga (obesity)
- Kasa (cough)
- Shwasa (asthma)
- Arsha (hemorrhoids)
- Vataroga (diseases of Vata)
Source: Bhavaprakash Nighantu, Varga 1
1 Upanaha Sweda उपनाहो वचा क वशताहवादे वदा भः धा यैः सम तैः ग धै च रा ना एर ड जटा मषैः Upanaha Sweda is application of poultice prepared from Vacha (Acorus calamus), Kinva-yeast, Shatahva (Dill), Devadaru – (Himalayan cedar (bark) – Cedrus deodara) etc.
— Astanga Hridaya Sutrasthan, Swedana Vidhi Sudatuin Therapy /
Source: Astanga Hridaya Sutrasthan, Swedana Vidhi Sudatuin Therapy /
1 Upanaha Sweda उपनाहो वचा क वशताहवादे वदा भः धा यैः सम तैः ग धै च रा ना एर ड जटा मषैः Upanaha Sweda is application of poultice prepared from Vacha (Acorus calamus), Kinva-yeast, Shatahva (Dill), Devadaru – (Himalayan cedar (bark) – Cedrus deodara) etc.
— Astanga Hridaya Sutrasthan, Swedana Vidhi Sudatuin Therapy /
Similar is the case of Anuvasana – fat enema and Matra basti – fat enema with very little oil 34-36 Anu taila जीव तीजलदे वदा जलद व से यगोपी हमं दाव व मधुक लवागु वर पु ा व ब वो पलम ् धाव यौ सरु भं ि थरे कृ महरं प ं ु ट रे णक ु ां कि ज कं कमला वलां शतगुणे द ये अ भ स वाथयेत ् ३७ तैला सं दशगण ु ं प रशो य तेन तैलं पचेत ् स ललेन दशैव वारान ् पाके पे चदशमे सममाजद ु धं न यं महागुणमुश यणुतैलमेतत ् ३८ Jivanti, Jala, Devadaru, Jalada, Twak, Sevya, Gopi (sariva), Hima, Darvi twak, Madhuka, Plava, A
— Astanga Hridaya Sutrasthan, Nasya Vidhi Nasal
Source: Astanga Hridaya Sutrasthan, Swedana Vidhi Sudatuin Therapy /; Nasya Vidhi Nasal
Mixture of haritaki, dried ginger and devadaru taken with lukewarm water, or punarnava mixed with all the above drugs taken with cow‘s urine relieves swelling produced by all the three dosha.
— Charaka Samhita, Chikitsa Sthana — Therapeutic Principles, Chapter 12: Edema Treatment (Shvayathu Chikitsa / श्वयथुचिकित्सा)
Milk prepared with dry ginger and daruharidra or prepared with shyama, castor root and black pepper, or prepared with cinnamon, devadaru, punarnava and dry ginger;
— Charaka Samhita, Chikitsa Sthana — Therapeutic Principles, Chapter 12: Edema Treatment (Shvayathu Chikitsa / श्वयथुचिकित्सा)
The paste prepared from devadaru (Cedrus deodara), palasha (Butea monosperma), arka (Calotropis procera), hastipippali (Scindapsus officinalis), shigru (Moringa oleifera) and ashvagandha (Withania somnifera) added with cow’s urine should be applied on the abdomen as pradeha (paste) [108].
— Charaka Samhita, Chikitsa Sthana — Therapeutic Principles, Chapter 13: Abdominal Diseases Treatment (Udara Chikitsa / उदरचिकित्सा)
The ingredients like pippali (Piper longum), madan (Randia spinosa), bilva (Aegle marmelons), shatavha, madhuka, kushtha (Saussurea lappa) shati (Hadychium spicatium), pushkarmoola (Inula racemosa), chitrak (Plumbego zylanicum), devadaru (Cedrus deodara) made in paste, added sesame oil 4 times to kalka then added milk 2 times more the oil and prepare the medicated oil as per standard procedures.
— Charaka Samhita, Chikitsa Sthana — Therapeutic Principles, Chapter 14: Hemorrhoids Treatment (Arsha Chikitsa / अर्शचिकित्सा)
The 11 ingredients ending with devadaru (in verse 131) should be mixed with oil and ghee and applied in the dry and painful type of hemorrhoids after application of medicament the hemorrhoids discharge the mucous and blood and relieve pain, itching and swelling of dry hemorrhoids.
— Charaka Samhita, Chikitsa Sthana — Therapeutic Principles, Chapter 14: Hemorrhoids Treatment (Arsha Chikitsa / अर्शचिकित्सा)
Source: Charaka Samhita, Chikitsa Sthana — Therapeutic Principles, Chapter 12: Edema Treatment (Shvayathu Chikitsa / श्वयथुचिकित्सा); Chikitsa Sthana — Therapeutic Principles, Chapter 13: Abdominal Diseases Treatment (Udara Chikitsa / उदरचिकित्सा); Chikitsa Sthana — Therapeutic Principles, Chapter 14: Hemorrhoids Treatment (Arsha Chikitsa / अर्शचिकित्सा)
Another paste: Darvi (Berberis aristata), radish seeds (Mulaka Bija, Raphanus sativus), Talaka (orpiment), Suradaru (Cedrus deodara, Himalayan cedar), and betel leaf (Tambula Patra, Piper betle) -- each one Karsha (12g) individually.
— Sharangadhara Samhita, Uttara Khanda, Chapter 11: Lepa Vidhi (Topical Paste Application)
Source: Sharangadhara Samhita, Uttara Khanda, Chapter 11: Lepa Vidhi (Topical Paste Application)
A decoction prepared from Agnimantha (Premna integrifolia), Shati (Hedychium spicatum), Patha (Cissampelos pareira), Shunthi (dry ginger — Zingiber officinale), and Devadaru (Cedrus deodara) should be used in all diseases of the head (Shiroroga).
— Sharangadhara Samhita, Madhyama Khanda, Chapter 2: Kvathakalpana (Decoction Preparations)
— Indravaruni (Citrullus colocynthis), Bharangi (Clerodendrum serratum), Devadaru (Cedrus deodara), Yavanika (Trachyspermum ammi), Kustumburu (Coriandrum sativum), and Shiva (Terminalia chebula) — all in equal proportions should be powdered.
— Sharangadhara Samhita, Madhyama Khanda, Chapter 3: Churnakalpana (Powder Preparations)
Also: Chavika (Piper retrofractum), Hapusha (Juniperus communis — juniper), Dhanya (Coriandrum sativum), Kramuka (Areca catechu — betel nut), Katuki/Katurohhini (Picrorhiza kurroa), Musta (Cyperus rotundus), Triphala — Haritaki, Bibhitaka, Amalaki — Rasna (Pluchea lanceolata), Devadaru (Cedrus deodara), and the two Nishas — Haridra (Curcuma longa) and Daruharidra (Berberis aristata).
— Sharangadhara Samhita, Madhyama Khanda, Chapter 10: Asavarishta-Sandhanakalpana (Fermented Preparations)
Shatapushpa (dill), Devadaru (Cedrus deodara), Shephali (Nyctanthes arbor-tristis), Sthula Jiraka (cumin), Eranda Mula (castor root) and seeds, Rasna, Mulaka (radish), and Shigru (Moringa oleifera).
— Sharangadhara Samhita, Uttara Khanda, Chapter 2: Sveda Vidhi (Sudation Therapy)
Another paste: Devadaru (Cedrus deodara), Nata (Valeriana wallichii), Kushtha (Saussurea lappa), Nalada (Vetiveria zizanioides/Nardostachys jatamansi), and Vishvabheshaja (dry ginger, Zingiber officinale), with Kanjika and oil -- this paste destroys Vata headache.
— Sharangadhara Samhita, Uttara Khanda, Chapter 11: Lepa Vidhi (Topical Paste Application)
Source: Sharangadhara Samhita, Madhyama Khanda, Chapter 2: Kvathakalpana (Decoction Preparations); Madhyama Khanda, Chapter 3: Churnakalpana (Powder Preparations); Madhyama Khanda, Chapter 10: Asavarishta-Sandhanakalpana (Fermented Preparations); Uttara Khanda, Chapter 2: Sveda Vidhi (Sudation Therapy); Uttara Khanda, Chapter 11: Lepa Vidhi (Topical Paste Application)
Matulunga (citron), agnimantha, bhadradaru (Himalayan cedar), mahaushadha (ginger), ahimstra, and rasna — a plaster/application (pralepa) of these destroys Vata-type swelling (verse 3).
— Sushruta Samhita, Sutra Sthana, Chapter 37: Mishrakaadhyaya - The Miscellaneous Chapter
Matulunga (citron), agnimantha, bhadradaru (Himalayan cedar), mahaushadha (ginger), ahimstra, and rasna — a plaster/application (pralepa) of these destroys Vata-type swelling (verse 3).
— Sushruta Samhita, Mishrakaadhyaya - The Miscellaneous Chapter
Source: Sushruta Samhita, Sutra Sthana, Chapter 37: Mishrakaadhyaya - The Miscellaneous Chapter; Mishrakaadhyaya - The Miscellaneous Chapter
Perform oblations with sticks of Khadira (Acacia catechu), Palasha (Butea monosperma), Devadaru (Cedrus deodara), and Bilva (Aegle marmelos) — or of Nyagrodha (Ficus benghalensis), Udumbara (Ficus racemosa), Ashvattha (Ficus religiosa), and Madhuka (Madhuca longifolia) — smeared with curd, honey, and ghee, while reciting the Pranava (Om) and Maha-vyahritis.
— Sushruta Samhita, Sutra Sthana, Chapter 2: Shishyopanayaniya Adhyaya - Initiation of the Student
Madhuka (licorice), rajani (turmeric), pathya (haritaki), and devadaru (cedar) should be ground.
— Sushruta Samhita, Uttara Tantra, Chapter 9: Vatabhishyanda Pratishedha Adhyaya (Chapter on Treatment of Vata-type Conjunctivitis)
Also saindhava (rock salt), devadaru (cedar), shunthi (dry ginger), and matulunga (citron) juice with ghee.
— Sushruta Samhita, Uttara Tantra, Chapter 9: Vatabhishyanda Pratishedha Adhyaya (Chapter on Treatment of Vata-type Conjunctivitis)
Or milk prepared with rajani (turmeric) and devadaru (cedar) with rock salt.
— Sushruta Samhita, Uttara Tantra, Chapter 9: Vatabhishyanda Pratishedha Adhyaya (Chapter on Treatment of Vata-type Conjunctivitis)
Sweating or paste application should be done with barley grass, shunthi (ginger), devadaru (cedar), kushtha (costus).
— Sushruta Samhita, Uttara Tantra, Chapter 11: Kaphabhishyanda Pratishedha Adhyaya (Chapter on Treatment of Kapha-type Conjunctivitis)
Source: Sushruta Samhita, Sutra Sthana, Chapter 2: Shishyopanayaniya Adhyaya - Initiation of the Student; Uttara Tantra, Chapter 9: Vatabhishyanda Pratishedha Adhyaya (Chapter on Treatment of Vata-type Conjunctivitis); Uttara Tantra, Chapter 11: Kaphabhishyanda Pratishedha Adhyaya (Chapter on Treatment of Kapha-type Conjunctivitis)
Medical Disclaimer: The information on this page is for educational purposes only and is not intended as medical advice. Ayurvedic treatments should be pursued under the guidance of a qualified practitioner (BAMS/MD Ayurveda). Always consult your healthcare provider before starting any new treatment. Content is sourced from classical Ayurvedic texts and may not reflect the latest medical research.