Conch Shell for Conjunctivitis: Does It Work?
Does Conch Shell help with conjunctivitis? It has a genuine but specialist place in classical eye care. The Sushruta Samhita includes conch shell in several physician-prepared eye applications for the blood type of conjunctivitis, always combined with other ingredients.
Ayurveda calls conjunctivitis (Abhishyanda), meaning "that which flows or overflows". The Sharangadhara Samhita counts four kinds, one from each dosha and one from the blood (Raktabhishyanda), and it is this last type where conch shell appears.
With honey, conch shell, Nepali-origin herb, daruharidra (tree turmeric), and saindhava.
Sushruta Samhita, Uttara Tantra, Chapter 12: Raktabhishyanda Pratishedha Adhyaya
Conch shell is never used raw. As a medicine it is purified and incinerated into a fine ash called Bhasma. Its taste is sweet and astringent, and its potency is cold (Sheeta Virya), a profile that calms Pitta, the dosha of heat.
These eye preparations are classical clinical formulas. They are not something to make or apply at home.
How Conch Shell Helps with Conjunctivitis
Ayurveda links the eyes closely to the blood. The blood tissue (Rakta Dhatu) nourishes the eyes, so when heat builds up in the blood it often surfaces as a red, inflamed eye. Blood-type conjunctivitis is the classical name for this pattern.
Cooling and astringent
Conch Shell has a cold potency and a sweet post-digestive effect (Madhura Vipaka), both of which counter heat. Its astringent taste (Kashaya Rasa) is the taste Ayurveda associates with tightening and drying, relevant to a condition defined by discharge and overflow.
One part of a formula
In Sushruta's Uttara Tantra, Chapter 12, conch shell is paired with honey and Daruharidra, with alum, coral, licorice and honey, and with honey and sugar as an eye salve, or collyrium (Anjana), for a pterygium-like growth. It is never the only ingredient.
What we do not know
Our sources describe conch shell mainly as an antacid for hyperacidity and give no modern research on its use for the eyes. The eye link rests on these classical formulas alone.
How to Use Conch Shell for Conjunctivitis
Please read this first: do not put conch shell powder, ash, or any mineral or home-made preparation into your eye. A red, painful or discharging eye needs to be seen by an eye doctor.
Classical eye use is practitioner-only
The conch shell eye preparations in the Sushruta Samhita are compound formulas prepared and applied by trained physicians. Our sources do not give proportions, processing steps or methods, and the mineral nature of the ingredients makes home versions unsafe.
The only acceptable forms
| Form | Dose | Notes |
|---|---|---|
| Shankha Bhasma (purified, incinerated ash) | Set by a qualified practitioner | Internal use, mainly for acidity |
| Shankha Vati (tablets) | Set by a practitioner or a reputable label | Digestive preparation |
| Raw or home-ground shell | Not for use | Never eat it or apply it |
Our sources record no dose of Conch Shell for conjunctivitis. Mineral and marine preparations (Bhasma) need a qualified practitioner, who would also choose the vehicle (Anupana) and the length of any course.
Practical home care
While you wait for care, the wider Ayurvedic advice for hot, red eyes is to cut back on hot, sour, spicy and fermented foods, which build the heat that reaches the eyes.
Frequently Asked Questions
Can I make a Conch Shell eye remedy at home?
No. The classical eye preparations are compound formulas made and applied by physicians, and putting any mineral or powder into an inflamed eye can damage it. See an eye doctor for conjunctivitis.
Which type of conjunctivitis is Conch Shell linked to?
The blood type (Raktabhishyanda). All the eye references in our sources come from Sushruta Samhita, Uttara Tantra, Chapter 12, the chapter on that type.
Will taking Shankha Bhasma help my eyes?
Our sources describe Shankha Bhasma taken internally for acidity, indigestion and colic, not for the eyes. Take it only if a qualified practitioner prescribes it.
Conch Shell vs Daruharidra or Licorice for conjunctivitis?
Plant herbs are easier to use safely. Daruharidra appears alongside conch shell in Sushruta's formula, and Licorice is a gentle cooling herb. Rose is another soothing option for hot eyes.
Recommended: Start Conch Shell for Conjunctivitis
If you are interested in Conch Shell for conjunctivitis, the right first step is an eye examination, then a qualified Ayurvedic practitioner. This is not a self-care remedy.
Best form: none for home use. In classical practice, conch shell enters the eye only as part of a physician-prepared formula, and internally only as purified Shankha Bhasma prescribed by a practitioner.
What you can do today: ease the heat. Avoid hot, sour, spicy and fermented foods, rest your eyes, and keep your hands and towels clean so the infection does not spread.
Never: eat raw shell, grind your own powder, or put any mineral, ash or paste in your eye.
Find Conch Shell (Shankha) on Amazon ↗ Triphala Powder ↗
Safety note: mineral and marine preparations (Bhasma) need a qualified practitioner. See an eye doctor for any red, painful or discharging eye, and do not self-apply anything to the eye.
Safety & Precautions
Conch Shell needs more care than a typical kitchen herb because it is a marine mineral substance. Its safety depends almost entirely on how it has been processed.
Only Use the Processed Classical Preparation
The Bhasma is made by incinerating conch shell after purification. Never eat raw shell or powder you have ground yourself. Use only properly prepared Shankha Bhasma or Shankha Vati from a reputable manufacturer, and only under the guidance of a qualified Ayurvedic practitioner.
Never Make Classical Pastes or Eye Salves at Home
Some classical recipes combine conch shell powder with orpiment (Haritala), which is arsenic trisulphide, for example in the depilatory pastes of the Sharangadhara Samhita. These and the eye salves in the Sushruta Samhita are historical physician formulas, not home remedies.
Contraindications and Interactions
Our sources do not record specific contraindications, drug interactions or overdose signs for Conch Shell. That is an absence of data, not proof of safety. Tell your doctor before using it, especially if you take other medicines.
Pregnancy and Nursing
There is no safety data in our sources for pregnancy or nursing. Avoid it during these times unless your practitioner and doctor both advise otherwise.
Other Herbs for Conjunctivitis
See all herbs for conjunctivitis on the Conjunctivitis page.
▶ Classical Text References (4 sources)
51 Matsya varga – group of fish म या रो हतापाठ नकूमकु भीरककटाः शुि तश खो श बूकशफर व म चि काः चुलूक न मकर शशुमार त म गलाः राजी च ल चमा या च मांस म याहुर टधा म ृ यं वै क रकं क च ातुदं च बलेशयम ् ासहं च महाम ृ यमपचरं मा यम टधा Rohita (red fish), pathina (boal), kurma (tortoise), kumbhira (gavial, alligator), karkata (crab), sukti (pearl mussel), sankha (conch shell), urdu (otter), sambuka (comman snail), safari (large glistening fish), varmi candrika 9a kind of cat fish) culuki 9propoise,
— Astanga Hridaya Sutrasthan, Annaswaroopa Food
13 Putpaka Dravyas भूशय सहानूपमेदोम जवसा मषैः नेहनं पयसा प टैःजीवनीयै च क पयेत ् Snehana Putapaka is done by making use of fat, marrow, muscle fat and juice of meat of animals which live in burrows (Bhushaya), which bite (Prasaha) – cut their food, cow, horse, ass etc, and those which live in Marshy lands (Anupa), or with drugs of Jivaneeya gana- (chapter 15) macerated with milk- 14 म ृगप य ु मांसमु ताय ता सै धवैः ोतोजराश खफेन आलैलखानं म तक ु ि कतैः Lekhana Putapaka is by making use of M
— Astanga Hridaya Sutrasthan, Tarpana Putpaka Vidhi
To this is added one Kudava (192 g) of ash of limestone, shells of mother of pearls, Kshirapaka (Khatika or clay), spiral of conch shell – each made red hot over a pan, fine powder of excreta of cock, peacock, falcon, heron and pigeon, bile of quadrupeds and birds, Ala ( haritala-Orpiment), Manohva (Realgar) and salts, all these are ground into a paste and mixed with the boiling solution, stirring it all the while from all sides.
— Astanga Hridaya Sutrasthan, Kshar-AgniKarma Vidhi
Source: Astanga Hridaya Sutrasthan, Annaswaroopa Food; Tarpana Putpaka Vidhi; Kshar-AgniKarma Vidhi
Sarvatisara Nashaka Ghrita: Paste of unripe Udumbara fruits, bark of Jambu, Amra, Udumbara, conch shell, Sarjarasa, Laksha, and Kardama—each one pala (50g)—cooked with one prastha (800ml) ghee and two prastha (1600ml) milk.
— Charaka Samhita, Siddhi Sthana — Therapeutic Procedures, Chapter 8: Standardized Enema Formulations in Prasrita Units (Prasrita Yogiyam Siddhi / प्रासृतयोगीयसिद्धि)
Source: Charaka Samhita, Siddhi Sthana — Therapeutic Procedures, Chapter 8: Standardized Enema Formulations in Prasrita Units (Prasrita Yogiyam Siddhi / प्रासृतयोगीयसिद्धि)
For hair removal (Kesha Nashaka): two parts of conch shell powder (Shankha Churna) and one part Haritala (orpiment, arsenic trisulphide).
— Sharangadhara Samhita, Uttara Khanda, Chapter 11: Lepa Vidhi (Topical Paste Application)
The alkaline conch shell powder enhances its keratolytic action.
— Sharangadhara Samhita, Uttara Khanda, Chapter 11: Lepa Vidhi (Topical Paste Application)
Another (depilatory) paste: Talaka (orpiment) two Shanas, Shankha Churna (conch shell powder) six Shanas, and Palasha Kshara (alkali of Butea monosperma) two Shanas -- grind together.
— Sharangadhara Samhita, Uttara Khanda, Chapter 11: Lepa Vidhi (Topical Paste Application)
Add conch shell powder (Shankha Churna) one Shana measure.
— Sharangadhara Samhita, Uttara Khanda, Chapter 11: Lepa Vidhi (Topical Paste Application)
Conch shell powder provides calcium and alkalinity that is antifungal.
— Sharangadhara Samhita, Uttara Khanda, Chapter 11: Lepa Vidhi (Topical Paste Application)
Source: Sharangadhara Samhita, Uttara Khanda, Chapter 11: Lepa Vidhi (Topical Paste Application)
Kapha-type is thick, oily, and pale like a conch shell, jasmine, or moon.
— Sushruta Samhita, Uttara Tantra, Chapter 7: Drishtigata Roga Vijnaniya Adhyaya (Chapter on Diseases of Vision/Pupil)
With honey, conch shell, Nepali-origin herb, daruharidra (tree turmeric), and saindhava.
— Sushruta Samhita, Uttara Tantra, Chapter 12: Raktabhishyanda Pratishedha Adhyaya (Chapter on Treatment of Blood-type Conjunctivitis)
Sphatika (alum), vidruma (coral), conch shell, madhuka (licorice), and honey as well.
— Sushruta Samhita, Uttara Tantra, Chapter 12: Raktabhishyanda Pratishedha Adhyaya (Chapter on Treatment of Blood-type Conjunctivitis)
Conch shell with honey and sugar, or sea-foam alone — these two liquid preparations are prescribed as anjana for destroying arjuna (pterygium-like eye lesion).
— Sushruta Samhita, Uttara Tantra, Chapter 12: Raktabhishyanda Pratishedha Adhyaya (Chapter on Treatment of Blood-type Conjunctivitis)
Sea-foam, the best salt, conch shell, mudra, and white pepper.
— Sushruta Samhita, Uttara Tantra, Chapter 12: Raktabhishyanda Pratishedha Adhyaya (Chapter on Treatment of Blood-type Conjunctivitis)
Source: Sushruta Samhita, Uttara Tantra, Chapter 7: Drishtigata Roga Vijnaniya Adhyaya (Chapter on Diseases of Vision/Pupil); Uttara Tantra, Chapter 12: Raktabhishyanda Pratishedha Adhyaya (Chapter on Treatment of Blood-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.