Symptoms of Flat Head Syndrome
The symptoms of flat head syndrome are usually visible rather than felt. Flat head syndrome does not cause pain or affect a baby’s intelligence or brain development. However, the physical appearance of the head may concern parents and, in some cases, may lead to longer-term cosmetic issues if left untreated.
Visible Flattening of the Head
Plagiocephaly presents as flattening on one side at the back of the head
The head may appear asymmetrical when viewed from above
One ear may appear pushed forward on the flattened side
The forehead may also look more prominent on one side
In brachycephaly, the flattening occurs across the back of the head, leading to:
A wider, shorter skull shape
The back of the head appearing more squared or upright
The top of the head may appear taller in some cases
The flattening is most noticeable when looking at the baby’s head from behind or above.
Facial Asymmetry
In more noticeable cases, the face may appear slightly uneven
One eye may seem higher or more prominent than the other
The cheeks may look fuller on one side
These changes are usually mild and improve as the skull grows and reshapes
Preference for Turning the Head One Way
Babies may develop a habitual head position, preferring to look one way
They may resist turning the head in the opposite direction
This can be a sign of torticollis, which often accompanies flat head syndrome
Delayed Motor Skills
While not caused by the flattening itself, some babies with more severe flat head syndrome:
May show slight delays in neck strength or rolling ability
Have reduced tummy time tolerance, due to discomfort or unfamiliarity
Tend to favour lying on their backs for long periods
When to See a Doctor | Symptoms of Flat Head Syndrome
Parents should speak to a healthcare provider if:
The head shape does not improve by 4 to 6 months of age
Flattening becomes more noticeable or severe
The baby struggles to turn the head both ways
There is concern about facial symmetry or development
The earlier flat head syndrome is identified, the easier it is to treat. Most mild cases improve with repositioning, tummy time, and parental awareness.
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