There are several free online health consultation websites where you can get medical advice and information. Here are some reputable options:

1. WebMD - While not a direct consultation service, WebMD offers a wealth of health information, symptom checkers, and advice from medical professionals.
2. HealthTap - Offers free answers from doctors and the ability to ask questions. They also have a paid service for virtual consultations.
3. Ask a Doctor - Provides free answers to health questions from licensed doctors, along with options for paid detailed consultations.
4. Mayo Clinic - Provides comprehensive medical information and advice from one of the most respected medical institutions.
5. MedHelp - An online community where you can ask questions and get answers from doctors and other users.
6. DoctorOnCall - Offers free health tips and advice, with options for paid consultations.