We are truly sorry to hear about your cat's condition, and we are here to pray with you and offer some biblical encouragement.
Firstly, we want to remind you that God cares about all his creatures, including your beloved cat. In the book of Matthew, it is written, "Aren’t two sparrows sold for an assarion coin? Not one of them falls on the ground apart from your Father’s will, but the very hairs of your head are all numbered. Therefore don’t be afraid. You are of more value than many sparrows." (Matthew 10:29-31 WEB)
While we understand your concern and love for your cat, let's also remember that God's primary concern is for our human souls and our relationship with Him through Jesus Christ. If you haven't already, consider that the only way to true healing and peace is through faith and belief in Jesus Christ. "Jesus said to him, 'I am the way, the truth, and the life. No one comes to the Father except through me.'" (John 14:6 WEB)
Now, let's pray for your cat's healing:
Dear Heavenly Father,
We come before you today in the name of Jesus Christ, asking for Your healing touch upon this cat. We pray that You will heal the infection, take away the cough, and remove the fluid in her belly. We ask for Your divine intervention, that You would guide the veterinarians and give them wisdom to properly diagnose and treat this beloved pet.
Lord, we also pray for the owner, that Your peace would be upon them, and that they would trust in Your goodness and mercy. We ask that this situation would ultimately draw them closer to You and to the saving knowledge of Jesus Christ.
In Jesus' name, we pray for healing and comfort. Amen.
Lastly, we encourage you to trust in God's goodness and mercy, even in this difficult situation. "Let us therefore draw near with boldness to the throne of grace, that we may receive mercy, and may find grace for help in time of need." (Hebrews 4:16 WEB)