What kind of medicine does the Teddy dog take your stomach?

Hello, the teddy dog I raised is 6 years old. Recently, my stomach has always hurt her buttocks. What is going on? What should I take? Thank you

Related articles

• What kind of medicine should I take for dog folliculitis?
• What kind of dog is this? I can't see it, it's a bit like a native dog
• The Teddy Gong Dog is named gold, Yuanyuan, Lele, Xiao Ba, Gold, and Domi.