The phrase "the effective rate of this medicine reaches 95.35 percent" is incorrect, and it should be said that "the effective rate of this drug reaches 95.35 percent."
"The effectiveness rate of this drug reaches 95.35 percent" is wrong, it should be said that "the effectiveness rate of this drug has reached 95.35 percent".
"The effective rate of this kind of medicine is 95.35%" is not right. It should be said that "the effective rate of this kind of medicine is 95.35%".<br>