What to do if your dog's neck is strangled

First, cut the rope and discard it immediately, disinfect and clean the wound with iodophor, clean up the bad tissue and purulent exudation, and then use pet anti-inflammatory drugs externally. If If you can't buy it, you can use Yunnan Baiyao; if it is an iron chain, you need to be injected with tetanus to avoid infection.
Don't put a collar or any rope on your dog and then ignore it. Long-term neglect can easily cause skin damage through friction. It is best not to wear a collar at home and only put it on when going out for a walk. Pay attention to leaving a gap between two fingers to avoid discomfort caused by being too tight.