Ayurveda Codex›Srotas›Rasavaha

Last verified: April 2026

Rasavaha Srotas

रसवह श्रोतस् — Rasa (plasma/first Dhatu) + Vaha (carrying) + Srotas (channel)

Rasavaha Srotas are the channels that carry Rasa Dhatu (plasma) — the first and most fundamental body tissue — through the entire body. These are the channels through which all subsequent tissues receive their nourishment, because Rasa is the raw material from which all seven Dhatu are progressively formed.

Charaka Samhita, Vimanasthana 5.11
Hridayam dasha cha dhamanyah moola Rasavaha Srotasam — The heart and the ten great vessels are the root of the Rasavaha channels. These channels pervade the entire body like rivers from a source lake.

Classical documentation

Roots: Hridaya (heart) and Dasha Dhamani (ten great vessels arising from the heart)

Primary Dosha: Kapha primarily (Rasa's watery quality); Vata for movement through the channels

Classical conditions: Arochaka (loss of appetite), Praseka (excessive salivation), Gaurava (heaviness), Tandra (drowsiness), Pandu (pallor/anaemia), Shwayathu (oedema), Jwara (fever — the primary Rasavaha Srotas condition), Klama (fatigue without exertion)

How these channels are impaired

Eating heavy, cold, and Kapha-aggravating foods in excess; eating before the previous meal digests; emotional grief (Shoka directly impairs Rasavaha Srotas according to Charaka Samhita); sedentary lifestyle

Classical significance

Rasavaha Srotas corresponds most closely to the lymphatic and cardiovascular systems — the channels through which plasma and lymph circulate. The classical root in the heart and ten great vessels precisely describes the cardiovascular system's central role in plasma distribution. The modern understanding that chronic stress (the classical Shoka — grief/anxiety) directly impairs cardiovascular and lymphatic function confirms the classical impairment cause.

Primary herbs for this Srotas
Shatavari (primary Rasa Dhatu nourisher), Guduchi (Rasavaha channel clearer), Amalaki (Rasayana for Rasa quality)
The four types of Srotas impairment
Charaka Samhita documents four ways any Srotas can be impaired: Atipravritta (excessive flow — too much output); Sanga (obstruction — blockage stopping normal flow); Vimarga Gamana (flow in wrong direction — reflux, bleeding upward, etc.); Siragranthi (knotting/constriction — localised channel narrowing). These four apply to every Srotas — the specific disease produced depends on which channel is impaired and in which of these four ways.