Thanks for the query to H.C.M. Forum.
Decrease in sexual desire may be due to hormonal
2nd reason may over sex ,
Tension & depression
are other reasons.
In my opinion take a course of fluoxtine 20 mg twice in day for 5 day.
Mild tremors may be , may not be , so don't worry.
The drug will adjust within 10 days, than reduce the dose and you will feel each and every thing good.