Rahu in Vedic Astrology
Malefic, feminine, renunciation, corruption, epidemics, tall and phlegmatic, dark in complexion and dirty. He is materialistic, foreign travels and intrigues with low class people. He rules the paternal grandfather, maternal grand mother.
Parts of Body
The parts of the body ruled by Rahu are skin and blood.
Diseases
Diseases caused by him are cholera, smallpox, leprosy, epilepsy, blood poisoning, itches, malaria and plague.
Caste : Low caste
Direction : South West
Sex: Eunuch
General Significations of Rahu
Sudden happening, disinclination, faulty logic, harsh speech, irreligious, adultery with a wicked woman, falsehood, sin, wickedness, royal status, royal insignia, benefits from outcastes, foreign travel or residence, long travel, pilgrimage, a muhurta (48 minutes), air, space, breathing, old age, hesitation, poison, snakes, reptiles, south-west direction, wandering in difficult terrain, going to the mountains, maternal grandfather, gambling, blue cloth, dark flower, emerald, dense forest, sudden disaster, technical education.
In Medical Astrology
Bones, chronic disease, incurable disease, insanity, hiccup, phobias, leprosy, weeping,wounds, poisoning, snake bites, malignant tumors.