What Are The Side Effects Of Modus 10mg?

Hi i have taken aslight overdose of modus 10 say, 3 to 4 tabs a day for 3 days and was taking 1 tab a day previously for 7 days. Is it too much? I have got my periods. But i am experiencing excessive depression. Have been severely depressed for the last 4 days now, having no previous history of depression. Is it because modus 10 ? Pls help. Please. I am in a pathetic state