Krimi Roga (Helminthiasis/Parasitic Infections) in Ayurveda

Introduction

Krimi Roga (Sanskrit: krimi = worm/parasite, roga = disease) covers diseases caused by parasitic organisms. The classical texts describe a detailed understanding of parasitic infections including types, transmission, clinical features, and treatment with specific anthelmintic herbs.

Ayurveda classifies parasites into Bahya Krimi (external) and Abhyantara Krimi (internal). This practical classification parallels modern epidemiological frameworks.

The Charaka Samhita states Krimi arise from three factors: Krimi bija (parasitic seed/ovum), Anukulya environment (favourable conditions), and Asatmya Ahara-Vihara (improper diet and lifestyle) — matching the modern agent–host–environment triad.

For students: Ayurvedic anthelmintic herbs like Vidanga have documented efficacy validated by modern research. The classification aids systematic treatment planning.

For patients: Parasitic infections cause digestive problems, nutritional deficiency, and weakness. Natural plant-based medicines are effective and gentle.

For practitioners: Use modern stool examination alongside Ayurvedic assessment. Ayurvedic herbs serve as first-line or adjunct therapy.

Origin of Krimi

Krimi — from root kram (to move/crawl); any worm-like organism within or upon the body. Charaka states parasites arise from dushta mala (decomposed waste), dushta rasa/rakta (vitiated plasma/blood), and external exposure.

1. Dushta Mala — putrefied stool, urine, sweat
2. Dushta Rasa/Rakta — vitiated plasma or blood
3. External exposure — contaminated water, soil, food
4. Seasonal factors — especially Varsha Ritu (monsoon)

This aspect of origin of krimi requires careful consideration in clinical practice. Ayurvedic practitioners draw upon classical knowledge combined with clinical experience to provide effective treatment. The approach is individualized based on the patient constitution, disease pathology, and associated factors. Understanding the underlying principles helps practitioners make informed therapeutic decisions.

Classification

A. Bahya Krimi (External Parasites)

1. Yuka (Lice — Pediculus humanus)

Small, wingless, blood-sucking ectoparasites on scalp, body, or pubic region. Causes intense itching (kandu), secondary skin infections. Treatment: Neem oil application, Dhatura leaf paste, Shikakai wash, Sarshapa oil with haldi.

2. Liksha (Nits/Lice Eggs)

Small oval egg cases on hair shafts. Cause itching when hatched, difficult to remove. Treatment: Same as Yuka, fine-toothed combing after oil application, neem water rinse.

3. Padmini (Pubic Louse)

Pthirus pubis in pubic region. Treatment: Neem + Haldi paste locally, Shigru seed paste, strict personal hygiene, treat sexual partners.

B. Abhyantara Krimi (Internal Parasites)

1. Raktaja Krimi (Blood-originating)

Parasites inhabiting or circulating through blood.

Features: Anaemia (pandu), pallor, fatigue, fever with chills, body aches, skin rashes, eosinophilia, abdominal pain.

Examples: Filaria, Trichinella, severe hookworm.

2. Shleshmaja Krimi (Kapha-originating)

Parasites associated with vitiated Kapha.

Features: Heaviness, lethargy, morning nausea/vomiting, excessive salivation, whitish stools, bloating, low-grade fever.

Examples: Ascaris, tapeworms, pinworms.

3. Purishaja Krimi (Stool-originating)

Parasites from decomposed stool matter via contaminated food/water.

Features: Alternating diarrhoea/constipation, mucoid frothy stools, abdominal cramps around umbilicus, bad breath, foul flatulence, anal itching (night — pinworms), bruxism in children.

Examples: Enterobius, Giardia, Entamoeba.

Nidana (Etiological Factors)

Primary

• Contaminated food and water (undercooked meat, unwashed vegetables)
• Poor hygiene (inadequate hand washing, improper waste disposal)
• Monsoon season (Varsha Ritu) — peak krimi proliferation
• Immunocompromised states

Aggravating Foods (Textual)

• Guda (jaggery) and excess sweets
• Stale mamsa rasa (meat soups)
• Dadhi (yoghurt) at night
• Tila (sesame) in excess
• Stagnant water exposure

Diagnostic Features

Clinical Examination

Investigations

Clinical Examples

Case 1: Purishaja — Ascariasis in a Child

8-year-old boy, recurrent periumbilical pain for 2 months, worse at night. Nausea, vomiting of roundworms, teeth grinding, intermittent diarrhoea. Pallor, 2 kg weight loss. Stool: Ascaris eggs. Rx: Vidanga churna 1 gm BD with honey (5-day course), Palasha seed powder 500 mg BD with honey, Krimimudgara 1 tab BD, Sunthi churna 500 mg before meals. Avoid sweets, jaggery, night yoghurt. Complete clearance confirmed at follow-up.

Case 2: Raktaja — Suspected Filarial Infection

40-year-old farmer, recurrent fever with chills and leg swelling for 6 months. Non-pitting oedema right lower limb. Moderate eosinophilia. Rx: Vidanga churna 1 gm BD (long course), Haridra churna 2 gm daily with warm milk, Guduchi Satva 500 mg BD, Khadira decoction 40 ml BD. Neem oil massage on limb. Raktamokshana 2 sessions monthly. Concurrent DEC therapy. Leg elevation and compression.

Case 3: Shleshmaja — Tapeworm Infection

35-year-old female, vague abdominal discomfort, bloating, white segments in stool for 1 month. Mild weight loss. Rx: Vidanga churna 2 gm single dose with cold water, Palasha bark decoction 40 ml BD for 7 days, Eranda taila 30 ml with warm milk (purgative), Kurchi churna 1 gm BD for 10 days. Clearance confirmed at 2-week follow-up.

Chikitsa (Treatment)

A. Krimighna Chikitsa

Primary Anthelmintic Herbs

Vidanga — Premier Anthelmintic

Properties: Rasa: Katu, Tikta; Guna: Laghu, Ruksha; Virya: Ushna; Vipaka: Katu. Active compound embelin paralyses worm musculature; bitter compounds create hostile environment; carminative action expels dead parasites.

Dosage: 1–3 gm with honey or warm water (Charaka). Tapeworm: 3 gm single dose + purgative. Roundworm: 1 gm BD for 5–7 days.

Formulations

B. Shodhana Chikitsa

Vamana (Shleshmaja): Madanaphala 3–6 gm + Yastimadhu. Expels worms from upper GI tract.

Virechana (Purishaja): Trivrit 3–6 gm or Haritaki 3–5 gm. Expels worms from intestines.

Basti (Chronic lower GI): Tikta Kshira Basti or Krimighna Basti. Especially for pinworms.

C. External Treatments (Bahya Krimi)

Prevention

Personal Hygiene

1. Hand washing before eating and after toilet
2. Short, clean nails (pinworm egg risk)
3. Daily bathing, especially after outdoor work
4. Clean clothing; daily undergarment change
5. Footwear outdoors

Food Hygiene

1. Wash vegetables thoroughly (salt water or dilute vinegar)
2. Cook meat thoroughly (tapeworm risk)
3. Drink filtered/boiled water; avoid stagnant water
4. Avoid raw fish/meat
5. Protect food from flies and vectors

Environmental

1. Proper sanitation; avoid open defecation
2. Clean kitchen and bathroom areas regularly
3. Avoid stagnant water; ensure drainage

Seasonal (Varsha Ritu — Monsoon)

• Extra food/water hygiene caution
• Prophylactic Krimighna herbs (Vidanga, Haridra)
• Avoid raw foods during monsoon

Prognosis

Favourable: Early detection, strong Agni/Ojas, hygiene compliance. Unfavourable: Chronic reinfection, immunocompromised, poor sanitation.

References

• Charaka Samhita, Chikitsa Sthana 7 (Krimi Chikitsa)
• Ashtanga Hridaya, Chikitsa Sthana 19 (Krimi Chikitsa)
• Sushruta Samhita, Chikitsa Sthana 38
• Sharangadhara Samhita, Purva Khanda 8
• Bhavaprakasha Nighantu — Vidanga varga
• Kaiyadeva Nighantu — Krimighna varga