Ok, I thought Rocco was better, but now I don't know. He did a poop this morning that was pretty normal. Then tonight he had diarrhea again, twice

. I fed him pumpkin again tonight...is it possible that's what's doing it? Also, I'm doing online research and freaking myself out, literally shaking with nerves here. I'm googling intestinal blockage, perforated intestine, etc. Right now, his only symptom is diarrhea (sometimes just soft stool, not always watery). He is eating very well, drinking, playing, being his usual self otherwise. Could he have something seriously wrong even though he's acting normal? I'll be calling the vet tomorrow for an appt, but am freaking out in the meantime. Any advice??