Pizhichil, Kizhi and Herbal Bolus Therapies
Pizhichil and kizhi are Ayurvedic treatments using warm oil or heated herbal boluses. See how they are described, what small trials found, and the burn and skin cautions.
Content last updated . This page has not been medically reviewed.
What these treatments are
Pizhichil and kizhi are names of Ayurvedic body treatments that use warmth and medicated material, and in the papers we read they are given by trained therapists in clinics. They are part of the larger family of heat treatments covered in Swedana and Ayurvedic steam therapies. We did not find a source we could read on their history, so we do not give one.- Kizhi is the name for bolus treatments. A published trial described navarakizhi as "a massage of cooked navara rice in a medicated hot bolus," with pinda sweda a similar massage made with a different rice. [1]
- Upanaha is a poultice, another sweating treatment named in trials, for example for low back pain. [2]
- Pizhichil is a further oil-based treatment. We could not read a clinical source that describes it, so we give no details of how it is done. Related: Abhyanga and Shirodhara.
How these are traditionally explained
Ayurvedic papers link such treatments to traditional ideas, for example a Vata-related state of pain and stiffness, or the "ardhanga" condition that the authors of the hemiplegia trial compared with stroke weakness. [1] [2] Those are traditional descriptions, not biomedical mechanisms. See Vata in Ayurveda for the idea in its own terms.What research shows
| Treatment | What the source found | Strength of evidence |
|---|---|---|
| Navarakizhi vs pinda sweda (hemiplegia) | Double-blind randomized pilot, 18 people, 7 days of treatment; the navarakizhi group showed a better range of scores and the authors asked for a larger trial. [1] | Insufficient evidence |
| Upanaha (poultice) for low back pain | A randomized comparison of two poultice approaches in a department of an Ayurveda college; both groups improved and the stage-matched group improved more. No untreated or sham group. [2] | Insufficient evidence |
| Kizhi or steam for osteoarthritis | A 2015 systematic review (2,952 patients) found no evidence of significant effects for Ayurvedic massage, steam therapy and enema once bias was considered, and no severe adverse events in the included trials. [3] | Insufficient evidence |
| Pizhichil | PubMed title/abstract search for "Pizhichil" returned no trials. | Proper evidence not found |
| Ayurvedic oil massage with heat for low back pain | A German randomized trial of 64 people compared 6 hours of Ayurvedic massage and external treatment over 2 weeks with local thermal therapy; pain fell more with massage, function did not improve in the short term. [4] | Promising but limited |
The 18-person navarakizhi trial is notable mainly because it shows that blinding a bolus treatment is possible. [1] Its size means it cannot prove benefit. Patients in the Berlin and Essen back pain trial knew which treatment they got, so expectation may play a part; the authors called for longer follow-up. [4]
What to expect
Tell the therapist about allergies, skin conditions, medicines and any heart, blood pressure or circulation problem before you start. Ask what is in the bolus or oil. Say at once if anything feels too hot. We give no temperatures or timings.Frequently asked questions
What is the difference between pizhichil and kizhi?
Kizhi is a bolus treatment, for example a massage with a medicated hot bolus of cooked rice. [1] For pizhichil we did not find a clinical source describing it, so we cannot say more.
Does kizhi help after a stroke?
Evidence is too thin. One double-blind pilot of 18 people compared two rice boluses with each other, not with no treatment. [1]
Does it help joint pain?
A systematic review found no evidence of significant effects for Ayurvedic steam therapy, massage and enema in osteoarthritis once bias was considered. [3]
Can the heat burn me?
Yes, any hot treatment can scald or burn skin. [5] Say immediately if it is too hot, and cool a burn under running water. [6]
Is it safe in pregnancy or with heart disease?
We did not find a source that settles this. Ask your doctor first, and see Ayurveda in pregnancy.
More details: evidence, limits and cautions
The details behind this page: cautions, limits of the evidence and where sources disagree. Open any note to read it.
How to read the evidence labels
Labels used on this page: promising but limited, insufficient evidence, traditional use only, Proper evidence not found.
Safety
- Burns. The UK NHS notes that scalds are caused by hot liquids or steam, and that you should hold a burn under cool running water as soon as possible and not put creams, oils or butter on it. [5] [6] Urgent care is needed for a burn that is very large or deep or on the face, genitals or bottom. [7]
- Skin reactions. A case report describes painful boil-like lesions after oil massage and sudation. [8] Contact dermatitis can be triggered by allergic reactions to substances in products such as cosmetics. [9]
- Overheating. Dizziness, nausea and cramps can be heat exhaustion; heatstroke is an emergency. [10]
See safety in Ayurvedic bodywork for the full checklist and warning signs after Ayurvedic treatment for when to stop.
Qualifications and regulation
References
- Aggithaya et al., Navarakizhi and pinda sweda in hemiplegia: double-blind randomized comparative pilot clinical trial, J Altern Complement Med 2014. Read 2026-10-22.
- Kumar et al., Upanaha Sweda (poultice) in low back pain (Katigraha): a randomized comparative clinical trial, Ayu 2019. Read 2026-10-22.
- Kessler et al., Ayurvedic interventions for osteoarthritis: a systematic review and meta-analysis, Rheumatol Int 2015. Read 2026-10-22.
- Kumar et al., Effectiveness of Ayurvedic massage (Sahacharadi Taila) in chronic low back pain: a randomized controlled trial, J Altern Complement Med 2017. Read 2026-10-22.
- NHS, Burns and scalds, causes. Read 2026-10-22.
- NHS, Burns and scalds, what to do. Read 2026-10-22.
- NHS, Burns and scalds, when to get emergency help. Read 2026-10-22.
- Kulkarni et al., A case study of furunculosis following an Ayurvedic oil massage, sudation therapy, and lessons to learn, Case Rep Dermatol Med 2024. Read 2026-10-22.
- NHS, Contact dermatitis, causes. Read 2026-10-22.
- NHS, Heat exhaustion and heatstroke. Read 2026-10-22.
- NCCIH, Ayurvedic Medicine: In Depth. Read 2026-10-22.