Occasionally a person experiences visual changes that are difficult to completely understand with only a clinical eye exam. These changes may be due to abnormalities in the function of some of the cells on the back of the eye in the retina, or there may be changes in the nerve connections between the eye and the brain.
A large number of medications and other chemical agents can cause hepatitis. In the United States acetaminophen, antibiotics, and central nervous system medications are among the most common causes of drug-induced hepatitis. large number of medications and other chemical agents can cause hepatitis. In the United States acetaminophen, antibiotics, and central nervous system medications are among the most common causes of drug-induced hepatitis.
Six major strains (genotypes) of the hepatitis C virus (HCV) cause infection. You may be infected with more than one genotype at a time. 1  Genotype 1 is the most common strain in the United States.2  Genotypes 1, 2, and 3 are found worldwide. 3  Genotype 4 is found throughout northern Africa. combination of sofosbuvir and simeprevir or a single pill containing ledipasvir and sofosbuvir can be used to treat hepatitis C in people who have genotype 1. If blood tests show that you have responded to antiviral therapy (the virus is not detected in your blood) after 6 months, treatment may be: