Here's why this is urgent:
* Weight loss: This could indicate a serious underlying illness like parasites, kidney disease, diabetes, or cancer.
* Blood leaking from the fur: This suggests a significant wound or internal bleeding, which requires immediate veterinary care.
Do not try to treat your cat at home. This could make the situation worse.
Here's what you should do:
1. Contact your veterinarian immediately. Explain the symptoms and get an appointment as soon as possible.
2. Transport your cat carefully. Be gentle and avoid any unnecessary movement that could worsen the situation.
3. If possible, take a photo of the bleeding area. This can help the veterinarian assess the situation.
Remember, your cat's health is a priority. Prompt veterinary care is crucial in situations like this.