* Hypoglycemia: This is a condition in which the puppy's blood sugar level is too low. It can cause tremors, weakness, and seizures.
* Encephalitis: This is a condition in which the puppy's brain is inflamed. It can cause tremors, seizures, and other neurological problems.
* Meningitis: This is a condition in which the puppy's meninges (the membranes that surround the brain and spinal cord) are inflamed. It can cause tremors, seizures, and other neurological problems.
* Hydrocephalus: This is a condition in which the puppy's head is filled with too much cerebrospinal fluid. It can cause tremors, seizures, and other neurological problems.
* Cerebellar hypoplasia: This is a condition in which the puppy's cerebellum (the part of the brain that controls coordination and balance) is underdeveloped. It can cause tremors, ataxia (difficulty walking), and other neurological problems.
* Trauma: A puppy who has suffered a head injury may develop tremors.
* Toxins: Exposure to certain toxins, such as lead or mercury, can cause tremors.
* Idiopathic: In some cases, tremors in German Shepherd puppies may be idiopathic, meaning that the cause is unknown.
If your German Shepherd puppy is experiencing tremors, it is important to take them to the vet right away. The vet will be able to diagnose the cause of the tremors and recommend treatment.