Depends where the worms are. If they are in your soil outside worms actually enrich that and you shouldn't remove them. However if ur talking about worms you can find in your body then yes they are bad because worms like the tape worm eat your food and grow inside you intestines....
Tape worms
No.
Roundworm If it is your dog you need to treat it for worms.
It might be pin worms.
Normally, primary care provider evaluate and treat worms.
they could be round worms....your puppy would need to be dewormed
Yes. It is normal to find live worms in your dogs stool if you got medicine that was over the counter. You should IMMEDIATELY go and get PRESCRIBED medicine.
The best way is bring a stool sample to the Vet.
Have him checked by a doctor. A stool sample may be required for analysis.
loose stool can be caused by two things. It could be diet or worms.
A stool softener.
No it actually makes it worse. (Especially rice crackers)