Hepatitis C is a very dangerous viral disease that claims a large number of lives every year. Therefore, the search for new drugs that are more effective in combating this disease does not stop. Harvoni is the first combination drug , available in tablet form, for the treatment of chronic HCV genotype 1. It is also the first time a treatment regimen has been approved that does not require interferon or ribavirin, drugs approved by the FDA for the treatment of hepatitis. When it comes to Harvoni cost then it is most expensive HCV treatment in United States.