At the beginning of the use of ayahuasca, users often experience nausea, vomiting, diarrhea, and cold that lasts for the first hour . The vomiting experienced right after all of the drugs is absorbed, explained by Shaman, is a purgatory process which is one of the important aspects of ritual where the user when vomiting produces negative energy collected during his life. There are many reports of extraordinary healing effects both physically, emotionally and spiritually obtained from the results of Ayahuasca retreat.
After passing through feelings of nausea and vomiting, the body will gradually improve and feel better followed by feelings of euphoria and extraordinary peace to the end of the Ayahuasca effect (about 4 hours). Not yet known or found long-term negative effects of the use of Ayahuasca and not yet found people who are addicted to Ayahuasca. There is no overdose limit from Ayahuasca. Therefore Ayahuasca is considered as a safe for consumption and does not cause addiction.