treatments

I noticed today that my 2 male guinea pigs seem to be very irritable and itching themselves much more than usual. When I tried to pick them up they chittered angrily and did not want to be picked up. After I wrangled one, I looked at his fur an noticed there were moving parasites on his back...

My 6 month male baby guinea pig named Loco recently formed this hard, puss-like blotch under his bottom lip. I thought I was food at first so I wiped with with a warm face clothes but it would rip his fur off because of how stuck it is. What is this and how can I help him? He lives with another...