II. Causes
- Spinal Muscular Atrophy
- Mitochondrial Disease
- Huntington Disease
- Fragile X Syndrome
- Brain Tumor
- Hydrocephalus
- Vitamin B12 Deficiency and other Vitamin Deficiencies
- Heavy metal Poisoning
- Medication-induced Tremor (e.g. Stimulant Medications in ADHD)
- Pyruvate carboxylase deficiency
- Homocystinuria
III. Evaluation
- Refer to pediatric neurology without delay

