When Does Facioscapulohumeral Muscular Dystrophy Occur?

Symptoms usually appear before age 20, but can begin in infancy or later in adulthood. Severity of the condition varies widely and some people with the disease allele remain asymptomatic.

What age group does facioscapulohumeral muscular dystrophy affect?

Facioscapulohumeral (FSHD).

Onset usually occurs in the teenage years but can begin in childhood or as late as age 50.

What is the first symptom of facioscapulohumeral muscular dystrophy?

Facial weakness is often the first sign of FSHD. It may not be noticed right away by people with FSHD and usually is brought to their attention by somebody else. The muscles most affected are those that surround the eyes and mouth.