1. Aahaarajanyaha - arising from food due to wrong food habits or contamination.Examples are complications arising oput of obesity,cholesterol, ulcer, acidity etc. Various contagious diseases and infections also fall into this category. They should be treated with medicines. The cause is purely material by nature and may not reflect in the horoscope.
2. Anyajanmapapa nimittaha - Those arising out of sins from past lives. They should be treated with vaidik karmas such as japa, havan and daanam.