Shankhaprakshalanam (Shankha Prakshalana) - Complete Guide

What Is It?

• Shankha = conch shell (representing the coiled, spiral shape of the alimentary canal from mouth to anus)
• Prakshalana = to wash completely

Sources: Yoga Point, Scandinavian Yoga & Meditation School, Yoga in Daily Life

Types

STEP 1 - Pre-Procedure Preparation (Night Before & Morning Of)

The Evening Before:

• Skip dinner the night before
• Light fruit or herbal tea is acceptable; avoid dairy
• Ensure complete rest and mental calm

Morning Preparation:

• Begin early morning, ideally 6:00-7:00 AM, on a completely empty stomach
• Choose a location with fresh air (garden, terrace, open area) and a toilet nearby
• Practice in a calm, relaxed atmosphere - group practice is helpful for motivation

Prepare the Saline Solution:

• Water: Clean, lukewarm water at 38-40°C (body temperature)
• Salt: 2 teaspoons of salt per 1 liter of water
• Optional: Juice of 1 lemon per liter (no sugar)
• Prepare enough for approximately 16 glasses (4 liters)
• Lukewarm temperature is important: it promotes movement of stagnant stool and mucus, and triggers frequent elimination. Cold water would cause bowel constriction; hot water would damage mucosa.

Special Meal Preparation (Before You Start):

• Prepare khichdi (rice + moong dal cooked together with ghee and turmeric, no salt) in advance so it is ready after the procedure

Source: Yoga Point, Dharshmi Yoga Academy

STEP 2 - The Cleansing Procedure (Core Process)

How One Round Works:

1. Drink 2 glasses (500 ml) of lukewarm saline water quickly, in a sitting position
2. Immediately perform all 5 asanas, 8 times each (= 40 movements per round)
3. After completing the asanas, attempt to go to the toilet
4. Repeat this cycle (2 glasses + 5 asanas) for 5-6 rounds total (approximately 16 glasses)

Progression of Bowel Output:

• Early rounds: Normal, formed stool
• Middle rounds: Looser, yellowish stool mixed with water
• Later rounds: Cloudy, yellowish water with decreasing solid content
• End point: Clear (or nearly clear) water exits the bowel - this signals completion

Source: Dharshmi Yoga Academy, Scandinavian Yoga & Meditation School

STEP 3 - The Five Asanas (Performed in Order, 8 Times Each)

Asana 1: Tadasana (Mountain/Palm Tree Pose)

• Position: Stand upright, feet slightly apart
• Movement: Interlock fingers, raise arms overhead with palms facing upward, rise onto tiptoes
• Hold: 3-5 seconds, then return
• Purpose: Stretches the entire torso, creates upward pressure that opens the pyloric valve between the stomach and small intestine, encouraging water to move from stomach into duodenum

Asana 2: Tiryaka Tadasana (Swaying Palm Tree Pose)

• Position: From Tadasana, arms raised overhead
• Movement: Bend sideways from the waist - right, then left (alternating)
• Purpose: Lateral stretching of the digestive tract, squeezes the sides of the abdomen, helps water move along the ascending and descending colon

Asana 3: Kati Chakrasana (Waist Rotating Pose)

• Position: Stand with feet shoulder-width apart, arms extended sideways
• Movement: Twist the entire trunk left and right, wrapping arms around the body
• Purpose: Rotational pressure on the abdominal viscera, particularly squeezes the transverse colon and the hepatic/splenic flexures; propels water through the corners of the large intestine

Asana 4: Tiryaka Bhujangasana (Twisting Cobra Pose)

• Position: Prone (lying face down), hands under shoulders, come into a cobra-like backbend
• Movement: In the cobra position, twist the neck and shoulders to look over the left shoulder toward the right heel, then right shoulder to left heel
• Purpose: Compresses and stretches the small intestine and ileum; increases peristalsis in the lower small bowel; helps water move toward the ileocecal valve into the colon

Asana 5: Udarakarshanasana (Abdominal Stretch Pose)

• Position: Squat (malasana-like), hands on knees
• Movement: Twist the trunk, bringing one knee down to the floor (e.g., right knee touches the floor while left knee presses toward the chest), alternating sides
• Purpose: Directly compresses and squeezes the large intestine (sigmoid colon and rectum); creates contraction and relaxation waves in the alimentary canal; this is the key pose for stimulating the final passage of water through the bowel and expulsion

Sources: Dharshmi Yoga Academy, Yoga Point

STEP 4 - Post-Procedure: Immediate Rest

• After the final clear water evacuation, do NOT drink ordinary water
• Lie in Shavasana (corpse pose) for 45-60 minutes
• Do NOT fall asleep - sleep may cause headache, cold, or body ache
• Maintain complete silence; allow the digestive system to reset
• Cover the body warmly
• Passing urine during this rest period is normal

• Kunjal Kriya (Dhauti) - drink plain unsalted water and voluntarily expel it to cleanse the stomach, esophagus, and bronchi
• Jala Neti - nasal irrigation to prevent post-procedure headache

Sources: Yoga in Daily Life, Yoga Point

STEP 5 - The Post-Procedure Meal (Khichdi)

Why Khichdi?

How to Eat:

• Eat a sufficient, generous quantity - enough to keep the intestinal walls stretched; eating too little may cause intestinal cramping
• Rest after the first meal; avoid sleep for 3 hours
• Repeat the meal again after approximately 6 hours
• Vegans may substitute coconut oil for ghee

What to Avoid Immediately:

• Do not drink water or take a bath for 4 hours after the meal
• After 4 hours, drink warm water only for the rest of the day

Sources: Scandinavian Yoga & Meditation School, Yoga Point

STEP 6 - Post-Procedure Diet (Days Following)

Sources: Yoga in Daily Life, Scandinavian Yoga & Meditation School

Frequency of Practice

• Standard recommendation: 2 times per year (mid-October to November; mid-March to April - at seasonal transitions)
• Some traditions recommend 4 times per year, at each change of season, when the body's biorhythm shifts
• Never exceed twice per year for the full (Poorna) version

Benefits (Traditional Claims)

• Purifies the blood and detoxifies the body
• Removes accumulated waste, fermented food particles, and mucus from the entire GI tract
• Improves digestion and gut motility
• Claimed to help with: skin diseases (acne, psoriasis, neurodermatitis), allergies (hay fever), springtime lethargy
• Balancing effect on the mind and nervous system
• May support management of diabetes (via Laghu version)

Source: Yoga in Daily Life

Contraindications (Do NOT Perform If)

• Age under 15 years
• Pregnancy
• During menstruation
• Very low blood pressure (hypotension)
• Gastritis or peptic ulcers
• Weak kidneys or kidney stones
• Large gallstones
• Hernia (especially abdominal)
• Chronic uncontrolled diabetes
• Mental illness
• Any active illness - consult a physician and yoga teacher first

Beginner Modification (6-Day Gradual Method)

• Day 1: 1 round of saline water + asanas, then evacuate
• Day 2: 2 rounds
• Day 3: 3 rounds
• Continue adding one round each day until completing 6 rounds on Day 6

Source: Dharshmi Yoga Academy

Important Safety Note

This practice should never be attempted without guidance from an experienced yoga teacher and, if applicable, a medical practitioner. The electrolyte shifts, physical demands, and post-procedure dietary requirements are significant. It is not a self-administered home remedy.

Summary Table

Acidity - What to Do & Is Shankhaprakshalanam Good for It?

Understanding Acidity (GERD / Gastric Hyperacidity)

• Katzung's Basic and Clinical Pharmacology, 16th Ed., p. 1695
• Sleisenger and Fordtran's Gastrointestinal and Liver Disease, p. 1334

PART 1 - What to Do for Acidity

A. Lifestyle Changes (First Line, Always)

B. Yoga and Exercise for Acidity

• Yoga strengthens the diaphragm, reducing LES relaxation - which is the main cause of acid reflux
• Yoga reduces stress (45.6% of GERD patients reported chronic stress as a trigger)
• Effective poses include Vajrasana (sitting on heels after meals), Pawanmuktasana (wind-relieving pose), and Ardha Matsyendrasana (spinal twist)
• Avoid inverted poses (Downward Dog, shoulder stand) if you have active reflux - they push acid upward
• A 2013 case report in the International Journal of Yoga documented yoga resolving GERD symptoms [PMID: 23930033]
• A 2025 systematic review in World J Gastroenterol confirmed that physical activity and exercise positively modulate GI function [PMID: 40539198]

C. Medications (When Lifestyle Is Insufficient)

• Aluminium hydroxide, magnesium hydroxide (Gelusil, Digene)
• Work by neutralizing acid directly
• Good for occasional symptoms; not for daily long-term use

• Ranitidine (now less commonly used), Famotidine
• Block histamine-stimulated acid secretion from parietal cells
• Available OTC for short-term use

• Omeprazole, Pantoprazole, Rabeprazole, Esomeprazole
• Block the H+/K+-ATPase proton pump - the final common pathway of acid secretion
• Most potent acid suppressants; taken 30-60 minutes before meals
• Caution: Long-term PPI use has been associated with risk of B12 deficiency, hypomagnesemia, bone fracture, and gut microbiome disruption

Katzung's Basic and Clinical Pharmacology, 16th Ed., p. 1695-1699

PART 2 - Is Shankhaprakshalanam Good for Acidity?

The Short Answer: It Depends - With Important Cautions

Where It May Help:

• Flushing the GI tract removes fermented food, stagnant waste, and excess mucus
• The saline water may temporarily alkalinize and dilute acidic gastric content
• The associated asanas stimulate peristalsis and improve gut motility
• The parasympathetic activation during the procedure may reduce stress-driven acid hypersecretion
• According to EasyAyurveda: Shankhaprakshalanam is traditionally indicated for digestive disorders and indigestion

• Significant reduction in blood pressure, fatigue, anxiety, and general ill health scores
• No adverse effects were reported
• Improvement in comfort level and quality of sleep This was in hypertensive patients, but the parasympathetic/gut effects are relevant to acidity as well.

Where It Is CONTRAINDICATED for Acidity:

"Shanka Prakshalana is to be avoided by persons with...gastritis, ulcers..." - Yoga in Daily Life

Who It May Benefit (Acidity-Related):

• People with functional dyspepsia (sluggish digestion, bloating, mild acidity without ulcers)
• People with constipation-related acidity (delayed gastric emptying)
• People with acidity driven primarily by toxin accumulation and poor gut motility
• Only under the guidance of an experienced yoga teacher AND after medical clearance

Summary: What to Do for Acidity - A Practical Roadmap

MILD / OCCASIONAL ACIDITY
  → Lifestyle changes + Antacids + Yoga (Vajrasana, Pranayama)
  → Laghu Shankhaprakshalanam may help (if no gastritis/ulcer)

MODERATE / FREQUENT ACIDITY
  → Add H2 blockers or PPIs
  → Rule out H. pylori (stool antigen test / endoscopy)
  → Yoga and stress reduction as adjuncts

SEVERE / COMPLICATED ACIDITY
  → See a gastroenterologist
  → Endoscopy to rule out ulcers, Barrett's esophagus
  → Shankhaprakshalanam is CONTRAINDICATED

Bottom Line on Shankhaprakshalanam for Acidity

• NOT a treatment for active gastritis or peptic ulcer - it is contraindicated in those cases
• May help mild functional/digestive acidity by improving gut motility and clearing stagnant content
• Laghu (short) version is safer than the full Poorna version for beginners or people with digestive issues
• Always get medical clearance first - an endoscopy to rule out ulcers/gastritis is advisable before attempting it
• Never self-administer - only under expert yoga teacher guidance

Salt Quantity in Shankhaprakshalanam Water

The Standard Ratio

2 level teaspoons of salt per 1 liter of lukewarm water

Why This Exact Amount Matters - The Science

View 1 - Isotonic (0.9% saline) - Scandinavian Yoga School

• The water is neither absorbed into the bloodstream
• Nor does it pull fluid out of the intestinal tissues
• It stays inside the GI tract and acts purely as a flushing agent

View 2 - Slightly Hypertonic (1.5-2%) - Swara Yoga

The Practical Consensus Across All Sources:

What Happens If You Get It Wrong

Real example: One practitioner accidentally used 2 tablespoons (= ~30g/liter, 3x the correct dose) instead of 2 teaspoons, and reported serious dehydration and nausea. (Fitsri Yoga user report)

Practical Preparation Guide

Quick Memory Aid

1 liter water  →  2 teaspoons salt  (~9g)
2 liters water →  4 teaspoons salt
4 liters water →  8 teaspoons salt  (full procedure)

Sources: EasyAyurveda, Swara Yoga, Fitsri Yoga

The 5 Asanas of Shankhaprakshalanam - Exact Steps

Asana 1: TADASANA (Palm Tree Pose)

Exact Steps:

1. Stand with feet shoulder-width apart (15-18 inches)
2. Bring both arms forward to shoulder level and interlock the fingers
3. Turn the palms facing upward toward the ceiling
4. Raise the interlocked arms straight overhead
5. Simultaneously rise onto your tiptoes - lift heels fully off the ground
6. Stretch the entire body upward - feel the elongation from feet to fingertips, as if being pulled toward the sky
7. Hold this fully stretched position for about 3-5 seconds, breathing normally
8. Lower the heels back to the floor and bring arms down
9. Relax for 1-2 seconds, then repeat 8 times

Asana 2: TIRYAKA TADASANA (Swaying Palm Tree Pose)

Exact Steps:

1. Stand in Tadasana position - feet shoulder-width apart, fingers interlocked overhead, palms facing up, but keep heels on the floor (do NOT rise on tiptoes here)
2. Keep the arms straight and extended overhead throughout
3. Bend the entire trunk sideways to the LEFT from the waist - do not twist, bend purely to the side
4. Feel the right side of the body stretching and the left side compressing
5. Hold for 2-3 seconds
6. Return to upright center position
7. Bend the entire trunk sideways to the RIGHT
8. Hold 2-3 seconds, return to center
9. This left + right = 1 complete round. Repeat 8 times (= 8 left bends + 8 right bends)

Asana 3: KATI CHAKRASANA (Waist Rotating / Spinal Twist Pose)

Exact Steps:

1. Stand with feet shoulder-width apart (16-18 inches)
2. Raise both arms sideways to shoulder level, palms facing downward, parallel to the ground
3. Twist the entire trunk to the LEFT from the waist:
   • Bend the right elbow and bring the right hand to the left shoulder
   • Simultaneously wrap the left arm around behind the back at waist level
   • Turn the neck to look as far left as possible over the left shoulder
   • Feel the full rotational squeeze through the abdomen
4. Hold for 2-3 seconds, then unwind back to center
5. Repeat the same on the right side (left elbow bends, right hand wraps behind)
6. Left + right twist = 1 complete round. Repeat 8 times

Asana 4: TIRYAKA BHUJANGASANA (Twisting Cobra Pose)

Exact Steps:

1. Lie face down (prone position) on the floor
2. Place both hands flat on the ground beside the chest, fingers pointing forward (thumbs drawn toward the body)
3. Feet 10-15 inches apart, toes curled/touching the ground (like a starting position for push-up)
4. Press the palms into the ground and lift the forehead, chin, chest, and abdomen off the floor - come into a cobra-like backbend
5. Keep both hip bones touching the ground
6. From this raised cobra position:
   • Bend the RIGHT elbow slightly (softening the right arm)
   • Keep the LEFT arm straight
   • Twist the neck and upper trunk to the LEFT - look back over your left shoulder toward your right heel
   • Hold 2-3 seconds
7. Return to center (face forward in cobra)
8. Now bend the LEFT elbow, keep RIGHT arm straight
9. Twist to the RIGHT - look back over right shoulder toward left heel
10. Hold 2-3 seconds, return to center
11. Left + right twist = 1 complete round. Repeat 8 times

Asana 5: UDARAKARSHANASANA (Abdominal Compression Pose)

Exact Steps:

1. Come into a deep squat position - feet flat on the floor if possible, hip-width apart
2. Place both hands on the knees
3. Keep the spine relatively upright
4. Press the LEFT knee down toward the floor while simultaneously pressing it close to/toward the right thigh
5. At the same time, twist the upper body gently to the right
6. This creates a squeezing/wringing action across the lower abdomen and sigmoid colon
7. Hold for 2-3 seconds
8. Return to neutral squat
9. Now press the RIGHT knee down and twist to the left
10. Hold, return to neutral
11. Left + right = 1 complete round. Repeat 8 times

Summary Table - All 5 Asanas at a Glance

Sources: Swara Yoga, Dharshmi Yoga Academy, Fitsri Yoga

Pranayama Used in Shankhaprakshalanam

During the Procedure Itself

Pranayama Associated with Shankhaprakshalanam (Before/After)

The Most Important: Kapalabhati

"The six Shatkarma are: Dhauti, Basti, Neti, Trataka, Nauli, and Kapalabhati. Shankha Prakshalana is classified as Varisara Dhauti within the Dhauti category." - Swara Yoga

• Active, forceful exhalation using abdominal muscle contractions
• Passive, effortless inhalation
• Done at a rate of 1-2 exhalations per second
• Cleanses the lungs, clears CO2, purifies the blood, and stimulates the abdominal organs

Sources: Scandinavian Yoga & Meditation School, Swara Yoga, PMC Research on Kapalabhati

QUESTION 1: Should You Clear Your Bowels First Before Shankhaprakshalanam?

YES - Absolutely Yes

"This process should be performed early morning with empty stomach, after proper bowel elimination."

• Atharva Ayurvedic Wellness Center

"The practice should begin after the normal morning evacuation."

• Prehealing Detailed Guide

Why This Is Important:

Morning Routine Before Starting:

1. Wake up early (5:30 - 6:00 AM)
2. Drink 1-2 glasses of plain warm water on waking - this naturally triggers the gastrocolic reflex and promotes morning bowel movement
3. Allow natural bowel clearing to happen (do NOT strain or force)
4. Freshen up, but no breakfast, no tea, no coffee
5. Prepare your saline solution
6. Begin Shankhaprakshalanam at 6:00 - 7:00 AM

What If You Cannot Clear Bowels Naturally?

• Do not strain or force
• The saline water itself will clear everything - the procedure is self-starting
• Simply begin anyway; the first round or two will clear the lower bowel before the true flushing begins
• This is normal and acceptable

QUESTION 2: Kapalabhati - What It Is and How to Practice

What Is Kapalabhati?

• Kapala = skull / forehead
• Bhati = shining / light / brightening

• A Shatkarma (one of the 6 yogic purifications, per the Gheranda Samhita) - a physical cleansing of the respiratory system
• A Pranayama (breathing technique) - a preparatory breath for deeper meditation and advanced pranayama

How Kapalabhati Works (Physiology)

• Forces out stale CO2-rich air from the base of the lungs
• Massages the abdominal organs with every stroke
• Stimulates the nervous system and digestive fire (Agni)
• Increases oxygen saturation in the blood
• Clears mucus from sinuses and airways
• Research confirms: gamma wave activation, sympathetic stimulation, improved blood oxygenation (PMC 2022, PMID 35350640)

Step-by-Step: How to Practice Kapalabhati

PHASE 1 - Preparation (First 2-3 minutes)

• Padmasana (lotus) - ideal
• Ardha Padmasana (half lotus)
• Sukhasana (cross-legged / easy pose)
• Vajrasana (sitting on heels) - good for beginners
• On a chair with spine erect - if floor sitting is difficult

• Place one hand on your lower belly (just below the navel)
• Take a normal breath in - feel the belly expand outward
• Breathe out normally - feel the belly fall inward
• This belly-in-on-exhale movement is what Kapalabhati amplifies

PHASE 2 - The Practice

• Take a normal, passive inhale through the nose (belly expands naturally - do nothing)
• Now sharply and forcefully contract the lower abdominal muscles inward toward the spine - this pushes the air OUT through the nose in a short, sharp "puff" sound
• Immediately release the contraction - the belly springs back out and air flows in passively
• Repeat this contraction → release cycle rhythmically

• 11 exhalations = 1 round
• Do 3 rounds with rest between each

• 27 exhalations = 1 round, 3 rounds
• Progress to 54, then 108 exhalations per round

PHASE 3 - Common Mistakes to Avoid

Duration - Beginner to Advanced Progression

Benefits

• Clears mucus, CO2, and stale air from the lungs
• Strengthens the diaphragm and abdominal muscles
• Improves digestion and stimulates Agni (digestive fire)
• Energizes and warms the body (good in the morning)
• Clears sinuses and reduces congestion
• Improves blood oxygenation and purifies the blood
• Sharpens mental clarity and concentration
• Reduces abdominal fat over time with regular practice
• Calms anxiety (after the active phase, parasympathetic rebound occurs)
• Traditionally said to cause the forehead/skull to "shine" - reflecting inner purity

Contraindications - Do NOT Practice If:

Kapalabhati vs Shankhaprakshalanam - Connection

Sources: Yoga International, Everyday Yoga, Art of Living, PMC Research