BACKGROUND: Health care providers are adopting information and communication technologies ICTs to enhance their services. Telemedicine is one of the services that rely heavily on ICTs to enable remote patients to communicate with health care professionals in this case, the patient communicates with the health care professional for a follow up or for a consultation about his or her health condition. ...METHODS: We conducted a systematic literature review to search for articles empirical studies about online health consultation in four digital libraries: Scopus, Association for Computing Machinery, PubMed, and Web of Science. ...