Sharad Ritucharya – (Ayurveda autumn regimen) – Mid September – Mid November

The person becomes accustomed to the cold of rainy season. When he gets suddenly exposed to the warm rays of Sun, the Pitta, which has undergone increase in Varsha (rainy season) becomes greatly aggravated during sharath (autumn). In order to get over it, Tikta ghrita (medicated ghee recipe described in the treatment of kustha chapter 19 of Chikitsa sthana), purgation therapy and blood letting should be resorted to.
When hungry, the person should take foods which are of bitter, sweet and astringent tastes, and easily digestible such as Rice, green gram, sugar, Amla, Patola, honey and meat of animals of desert-like lands.

Hamsodaka –

taptaṃ taptāṃśukiraṇai: śītaṃ śītāṃśu raśmibhi: || samantāt apyahorātraṃ agastyodaya nirviṣam | śuci haṃsodakaṃ nāma nirmalaṃ malajijjalam || nābhiṣyandi na vā rūkṣaṃ pānādiṣu amṛtopamam |

The water which gets heated by the hot rays of the sun during day cooled by the cool rays of the moon during night, for many days continuously, which has been de-poisoned (detoxicated) by the rise of the star Agatya, which is pure, uncontaminated and capable of mitigating the malas (dosas) is known as Hamsodaka. It is neither abhisyandi (producing more secretion or moisture inside the minute channels so as to block them) nor dry, such water is like Amrita (nector) for drinking and other purpose.

Evening should be spent on the terraces of houses which are white (by painting), anointing the body with the paste of Sandalwood, Cus Cus grass, Camphor, wearing garlands of pearls and shining dress and enjoying the moonlight.
Avoid exposure to snow (mist), indulgence in alkaline substances, satiation with hearty meal, use of curds, oil, muscle fat, exposure to sunlight, strong liquors, sleeping at day time and the eastern breeze.