I had written an article about Thirumukkoodal Temple dedicated to Sri. Venkateswara, near , Chengalpattu in Tamil Nadu had a Hospital and a Vedic school. It was provided by Veera Rajendra Chola, Grandson of Rajaraja Chola and the hospital’s were called Adhura Salai.Rajara Chola, his elder sister Kundavai and Sembian Madevi,Madurantaka Chola’s mother also built many Aadhura Salais.
What is special about Thirumukkodal Hospital is that it was located in the temple and inscriptions state details of donations given by the Chola King to run day today adminstration of the temple.Not only this. The inscriptions detail diseases treated and medicines provided there.Inscription image herelow.

The medicines included Go Mutra, Cow’s Urine. ChebulicMyrobalan,Haritaki,Kadukkai in Tamil was soaked in Go Mutra for curing internal piles. Cow’s Urine was also used to treat Jaundice. Hellow is the relevant information quoted by Annual Report on Epigraphy , which says the process followed is from Charaka and Susrutha Samhita. (67th verse of 9th chapter of Saraka Samhita and in the 6th chapter of Sushruta Samhita)

The Hospital,Adurasalai had (hospital staff) a physician, a surgeon, two male nurses, two female nurses, a potter, a washerman and a guard.
chebulic myrobalan .Haritaki (Terminalia chebula Retz., Family: Combretaceae) possesses a great therapeutic value and is widely distributed in India, up to an altitude of 1500 m. Though Terminalia chebula Retz is the only botanical source of Haritaki, the uses of its varieties along with their sources, identifying features and therapeutic uses are described in Ayurvedic classics and other medical literature. In the present study, a detailed review has been carried out on different varieties of Haritaki……Haritaki (Terminalia chebula Retz) is held in high esteem in Ayurveda for its properties to prevent and cure diseases. It has enjoyed the prime place among medicinal herbs in India since ancient times. It is called the ‘King of Medicines’ and is always listed first in Ayurveda because of its extraordinary therapeutic benifits…Data on this medicinal plant is available in all Ayurvedic classics as well as in the Nighantus and works on the materia medica of Ayurveda. The details of the plant are also mentioned in Tibetan literature and various floras of medicinal plants. It is found throughout India up to an altitude of 1500 m.[1] Fruit rind is used as medicine and is one of the ingredients in Triphala (three myrobalans). This plant is used externally in wound healing, fungal infections, inflammations of the mucous membrane of the mouth, and internally as a rejuvenative, astringent, purgative, stomachic, and laxative. It is useful in asthma, piles, and cough.[2,3]
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3902605/
How to reach the temple..Thirumukkoodal is a village located about 20 kms from Kanchipuram on the road going towards Chengalpattu. While going from Chengalpattu, one can reach Pazhaya Seevaram, 5 kms before Walajabad. From Pazhaya Seevaram,one has to take left and cross the bridge on the river Palar to reach Thirumukkudal. The temple priest Sri Raghunaadhan (Tel: 94437 78352) takes care of this temple .The temple is open between 08.30 am to 11.30 am and 4 pm to 6 pm on weekdays. On Saturdays and Sundays the temple is open from 08.30 am till 1 pm and from 3 pm till 7 pm. .https://www.dharsanam.com/2011/05/thirumukkoodal-sri-appan-prasanna.html?m=1 This is a good site for details on Vishnu Temples