The symptoms of fibromyalgia may overlap with the symptoms of some other conditions.

Different symptoms may also overlap to some extent.

However, the symptoms of the two conditions often overlap as well.

Although there are some differences, cold and allergy symptoms overlap quite a bit.

However, this often results in complications as these symptoms often overlap with numerous other neurodegenerative diseases.

Behaviors such as attention problems, repetitive actions, and obsessive thoughts may signal several different conditions whose symptoms often overlap.

One such disorder, atelosteogenesis type I, is very similar to boomerang dysplasia, and several symptoms of both often overlap.

Because symptoms often overlap with other diseases and the condition is not well understood, it can take years for fibromyalgia to be diagnosed.

The immediate symptoms may last a few days to a few weeks and may overlap with the outward adjustment stage.

While there are six distinct subtypes of the syndrome that vary in severity, the symptoms often overlap.