Amruthotharam kashayam is a herbal decoction in liquid form.
Its usage:

1. Fever,  constipation, rheumatoid arthritis
   
2. Indigestion & loss of appetite.

Roga karma: Sarva jwarahara, ama, ajeerna, gulma, vatarakta, adhmana, shopha, prathishyaya  & kamala.
Dosha karma: Tridosha hara.
Agni karma: Pachana and Deepana.
Other karmas: Rasadushtihara, srothoshodaka, vatanulomaka, mrudu rechaka and shophagna.
Dosage:
5 – 15ml diluted with 15 –  45ml of water twice daily before food with jaggery or sugar, or as directed by physician. Kashyam Tablets 1 to 2 tablets twice daily.
Amruthotharam kashayam ingredients:
Ardraka                (Zingiber officinale) 1 Part
Guduchi               (Tinospora cordifolia) 2 Parts
Haritaki(Terminalia chebula) 4 Parts
Method of preparation of Amruthotharam Kashayam: Herbal ingredients (coarse powder) 1 part boiled in 16 parts of water and reduced to 4 part.
Reference:  Sahasrayoga.