Hello I Had About Five Month Misscariage Ánd Now A

Hello i had About five month misscariage Ánd now a pregnant again. 5week. Yesterday when i Been toylet i seé on toylet paper brown discharche. I feel woried because i had That discharche when i have misscariage. can i buy somwhere tablet duphaston because.my friend told me About That tablet so it s helping fór early pregnancy
Thanks