Can Sizodon Plus Tablets Cause Less Sex Drive?

sir I am 29 year old and suffering from dipression and doctor prescribed me medicine sizodon. I am taking this medicine for last one year. Mean while I got marriage. My first question is this I have very little interest in sex. Second question is this i enjoy sex even after two year my wife did not conceive. Is this side effect of sizodon plus tablets. Who can i enjoy sex and become father.