Worming

Hi

I am currently on day 2 of using parazole to worm my 8week old westie.
Her tummy is swollen and showing the "look" of having worms but so far I haven't seen any sign of them in her poop.

Is this normal or should I see signs yet? She isn't in any pain and is playful, hungry and sleepy at nice intervals.

I don't have any experience with this small breed and am nervous. I used to have a springer spaniel mix that was so hardy