The reasons why dogs suddenly keep barking:

1. It may be because the dog feels danger and wants to remind its owner that there is someone nearby or there is an abnormal noise by barking.

2. It may also be because the dog is feeling hungry or thirsty and wants to tell the owner or attract the owner’s attention.

3. It may also be caused by physical pain, such as sudden patellar dislocation, kidney stones, urethral stones, etc., which can cause pain in dogs.

4. It may also be because dogs will keep barking during estrus to attract the opposite sex.

Solutions to the sudden barking of dogs:
1. If the dog encounters a threat or danger, the owner should remove the danger in time to help the dog.

2. If the dog is hungry or thirsty, the dog’s needs must be met in time.

3. If it is caused by pain, check the dog’s physical condition and treat the dog’s pain symptomatically.

4. If it is caused by estrus, you can take the dog for sterilization surgery to deal with it.