Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to deworm a ferret [title] Visit the vet if you think your ferret has worms. [step] All forms of worms need to be treated by your vet. While most worms can be easily addressed, you'll need an exam to make sure your ferret gets the correct diagnosis.

Ending1: [substeps] If your ferret exhibits symptoms that are not manifestations of worms, treat it right away to minimize potential complications. After three days, your vet may remove the worm. Ending2: This will allow your vet to prescribe the right medication and dosage. [title] Give an oral or injectable medication for other forms of worms. Ending3: [substeps] Look for dark spots, ulcers or wounds on your ferret's fur. If your ferret has these, it can be an opportunity to get a better diagnosis. Ending4: [substeps] Hopefully, your vet will make a diagnosis based on physical signs of worm contamination. They may also perform a deep tissue survey, which will check to see if your ferret has worms.

Answer format: ending1/ending2/ending3/ending4