Ritu-Sodhana means seasonal purification (Shodhana) or elimination of the aggravated doshas accumulated in the body as per the seasonal influence.
Each Ritu (season) aggravates a specific dosha and its accumulation, if not managed, leads to diseases in the subsequent seasons.
Master Vagbhata has clearly instructed the proper time and method of dosha elimination to maintain health and prevent disease.
Doshas are naturally accumulated, aggravated, and pacified in different seasons.
If the aggravated dosha is not eliminated, it may cause disease when it gets further vitiated by nidana (causative factors).
Hence, seasonal purification is a part of preventive therapy (Swasthasya Swasthya Rakshanam) in Ayurveda.
During the seasonal regimen, if the accumulated doshas are not eliminated, they get aggravated and cause disease in their natural time of aggravation.
Kapha accumulates in Hemanta and Shishira Ritu (early and late winter), aggravates in Vasanta Ritu (spring).
Pitta accumulates in Varsha Ritu (monsoon), aggravates in Sharad Ritu (autumn).
Vata accumulates in Grishma Ritu (summer), aggravates in Varsha Ritu (monsoon).
If the dosha is eliminated before aggravation, it settles easily; otherwise, after aggravation, even strong measures may fail to pacify it.
Therefore, Ritu-Shodhana should be done before the dosha aggravates, i.e., immediately after accumulation, to prevent the disease.
In Vasanta, Kapha should be eliminated by:
Swedana (sudation)
Abhyanga (oil massage)
Vamana (emesis therapy)
Explanation:
Vasanta season causes liquefaction of kapha accumulated in winter.
Without elimination, liquefied kapha clogs the srotas and causes diseases like cold, cough, heaviness, and allergies.
Vamana is the best shodhana for kapha.
In Sharad Ritu, the aggravated Pitta should be eliminated by:
Virechana (purgation)
Raktamokshana (bloodletting), if indicated
Explanation:
Pitta, accumulated during monsoon, becomes vitiated in autumn due to heat and exposure to sun.
Results in skin disorders, burning, gastritis, bleeding tendencies.
Virechana is the prime therapy to eliminate pitta via intestines.
In Varsha Ritu, the aggravated Vata should be pacified by:
Sneha (unctuous substances – internal and external)
Swedana (fomentation)
Basti (enema) – especially Anuvasana and Niruha Basti
Explanation:
Vata, which accumulates during summer, gets provoked in monsoon due to cold, dampness, irregular digestion.
Leads to joint pains, stiffness, bloating, constipation.
Basti is the most effective shodhana for Vata.
Purvakarma (Preparatory procedures):
Snehana (oleation) and Swedana (sudation) should be performed before Vamana, Virechana, or Basti.
Paschatkarma (Post-treatment regimen):
Samsarjana Krama (gradual diet schedule) after Shodhana
Avoid immediate exposure to dosha-aggravating factors
Maintains doshic balance throughout the year
Enhances agni (digestive power) and immunity (ojas)
Prevents seasonal diseases like flu, gastritis, skin disorders, and arthritis
Supports longevity and overall well-being
Diseases caused by seasonal doshic vitiation are treated effectively in the same season by shodhana therapy, and it doesn’t reduce the strength (bala); rather, purification strengthens the system.