Camphor: Benefits, Uses & Dosage

You almost certainly know the smell of camphor already: sharp, clean and cooling, the scent of chest rubs, temple lamps and old wooden chests. In Ayurveda that familiar aroma belongs to a serious medicine. Camphor (Karpura) opens the second chapter of the Bhavaprakash Nighantu, the Karpuradi Varga, and that chapter is named after it.

What makes camphor distinctive is a paradox. It tastes bitter, pungent and slightly sweet, it is light and sharp (Laghu, Tikshna), yet the Bhavaprakash classes its potency as cold (Sheeta Virya), the inner thermal effect a substance has on the body. That combination of penetrating and cooling is why it shows up in remedies for burning sensations, fevers, eye complaints and the heart.

Names and botany

In English it is called Camphor, Borneo Camphor or Baros Camphor, and in Hindi Kapur. Classical Sanskrit synonyms include Ghanasara, Chandra and Himavaluka, several of which compare it to the moon or to snow, a nod to its cooling nature.

Two plant sources matter most. Bhimseni camphor comes from Dryobalanops camphora trees of Borneo and Sumatra, where it deposits naturally in crevices of the wood; it is the grade the Bhavaprakash prefers for medicine and it contains d-borneol. Chini camphor is distilled from Cinnamomum camphora. Chemically, camphor is a terpenoid ketone (C₁₀H₁₆O).

Four grades, one big caution

The Bhavaprakash describes four types: Bhimseni, Chini, Pachi or Bapani (from Blumea species) and synthetic. That distinction is not academic. Much of the camphor sold for worship is synthetic, and it is toxic if swallowed, so anything meant for the body should be natural, edible grade, and internal use belongs under a practitioner's guidance.

The Bhavaprakash lists camphor's actions (Karma) as cardiotonic, cooling, eye-supporting, anti-parasitic, expectorant and aromatic. It pacifies Kapha and Vata, and its cold potency also suits burning, Pitta-type heat. Here is how those actions translate into classical uses.

Burning sensations and fever

Camphor is Daha Prashamana, a reliever of burning sensation, and the Bhavaprakash names burning (Daha), excessive thirst (Trishna) and fever (Jwara) among its uses. Its cold potency is the reason.

The Astanga Hridaya puts this into daily practice: in its seasonal regimen chapter it recommends anointing the body with a paste of camphor, sandalwood, aguru and saffron, and drinking cool water kept in a clay pot with patala flowers and camphor.

Anointing the body with camphor, sandalwood paste, Vetiver paste, very frequently.

Astanga Hridaya Sutrasthan, Doshopakramaniyam

Eyes

Camphor is Chakshushya, meaning beneficial for the eyes, and eye disorders (Netra Roga) are a core classical indication. The Sushruta Samhita, in its chapter on Pitta-type conjunctivitis, uses camphor with sugar in collyrium (Anjana), a fine medicated preparation applied to the eye, and in a concentrated decoction made with licorice. These are practitioner-made preparations, not home remedies.

Heart

The Bhavaprakash calls camphor Hridya, cardiotonic, and lists heart disease (Hridroga) among its uses, describing it as a cardiac stimulant in small doses. The Charaka Samhita adds camphor to a compound preparation in its chapter on the three vital organs.

Cough, breathing and congestion

As an expectorant (Chedana) that pacifies Kapha, camphor is used for cough (Kasa) and asthma (Shvasa). Ayurvedic practice also describes it as a decongestant that clears the senses and the mind, which is why its vapour is used for nasal congestion and to revive someone after fainting.

Mouth, teeth and gums

Oral diseases (Mukha Roga) appear in the Bhavaprakash's list, and camphor's anti-parasitic action (Krimighna) makes it a traditional remedy for tooth disorders and gum disorders. It is also listed for worms and parasites (Krimi).

Skin and pain

Externally, camphor is applied for skin disorders, skin inflammation, headache and joint pain. The Sushruta Samhita includes camphor with sandalwood in cooling dressings for Pitta-type wounds. Ayurvedic practice also lists it for gout and rheumatic pain.

Camphor is used in very small amounts, and most everyday use is external: in oils, pastes and aromatic vapour. Internal use exists in Ayurveda, but only in tiny doses and only with natural edible camphor under a practitioner's guidance.

Choosing the right camphor

For anything that touches the mouth, eyes or face, or that could be swallowed, use natural edible Bhimseni or Pakva Karpura from an Ayurvedic pharmacy. Synthetic camphor sold for worship is toxic if swallowed. Keep the two clearly labelled and stored apart.

Carriers and pairings

Classical texts pair camphor with cooling or sweet partners: sandalwood, aguru and saffron in body pastes, sugar or licorice in eye preparations, and mango with licorice in a Sharangadhara Samhita topical paste. Camphor also appears in compound formulas such as Chandraprabha Vati, a pill described in the Sharangadhara Samhita for urinary disorders.

Seasonal use

The Astanga Hridaya places camphor in its seasonal regimen: anointing with camphor and sandalwood after Kapha has been cleared, and camphor-scented cool water to drink in the hot season.

Camphor is not a herb to take casually. Our sources agree that it works in small amounts and turns harmful in larger ones, so the honest summary is this: external and aromatic use in sensible amounts, internal use only under a qualified practitioner.

Overdose and toxicity

Ayurvedic practice warns that camphor should only be used in prescribed low doses, because excessive use acts as a narcotic poison. Our editorial sources add that camphor is neurotoxic in excess and can lower the seizure threshold, with nausea, vomiting and confusion as early signs and seizures at higher doses.

The Bhavaprakash adds a quieter warning: excessive use can reduce sexual potency.

Synthetic camphor

The camphor sold for worship is usually synthetic and is toxic if swallowed. Never use it in the mouth, eyes or any internal preparation. Only natural edible Bhimseni or Pakva Karpura is suitable for any use near the face or inside the body.

Who should avoid it

• Infants and young children: keep camphor well out of reach and do not apply it to their face or chest. Small amounts swallowed can be dangerous.
• Pregnancy: our sources advise avoiding it.
• Seizure history or epilepsy medication: avoid, because camphor can lower the seizure threshold.
• Asthma: strong vapour can trigger bronchospasm, so inhale cautiously or not at all.
• G6PD deficiency: our editorial sources list it as a contraindication.

Skin and eyes

Do not apply neat camphor to inflamed skin, and avoid broken, weeping or freshly scratched skin, where it stings and can worsen the wound. Keep it away from the eyes unless a practitioner is preparing a classical eye formula.

Pitta caution

Although the Bhavaprakash classes camphor as cooling, other Ayurvedic sources describe it as slightly heating and warn that it can aggravate Pitta in excess. Its sharp quality can also irritate already sensitive tissue. If you run hot or your tissues are inflamed, use less, not more.

Our sources do not record specific drug interactions beyond anti-epileptic medication. If you take any regular medication, talk to your doctor before using camphor.

Camphor often shares a remedy with other aromatic or cooling herbs, and in some situations another herb is the safer first choice. These comparisons stay within what classical sources and Ayurvedic practice say.

For skin inflammation, camphor and Amla work on different levels: camphor oil cools the patch from outside for quick relief, while Amla is taken internally for the longer work.

Camphor's narrow margin between helpful and harmful matters most for the groups below. Where our sources say little, we say so, and the safest course is a practitioner's advice.

Pregnancy and Nursing

Our sources advise avoiding camphor in pregnancy, citing potential effects on the nervous system and a lack of safety data. They do not record specific guidance for breastfeeding. Given camphor's toxicity profile, avoid internal use while nursing and ask your practitioner or doctor before using it even externally, and keep it away from the baby.

Children

Keep camphor away from small children entirely. Our sources record that even small amounts swallowed can cause seizures in young children, and that applying it to a baby's or young child's chest or face is unsafe because the vapour can affect an immature nervous system. Store camphor, especially worship camphor, out of reach, and never give it to a child internally.

Elderly

Our sources do not give age-specific dosing for older adults. The general cautions apply: external use in small amounts, no internal use without a practitioner, and extra care for anyone with a seizure history, asthma or regular medication.

Athletes and Active People

Our sources do not describe camphor as a performance herb. Its traditional external uses for joint pain and as a cooling application after heat exposure are the relevant ones, used as a diluted oil on intact skin.