Causes of floppy infant syndrome

Causes of paralytic FIS:

• Guillian Barre syndrome
• Spinal muscular atrophy
• Myasthenia gravis
• Myotonic dystrophy
• Infant botulism

Causes of non paralytic FIS:

•  Down’s syndrome
• Cerebral palsy
• Malnutrition
• Turner syndrome
• Marfan syndrome
• Tay Sachs disease
• Prader Willi syndrome

(FIS = Floppy Infant Syndrome)