Understanding the causes of Positional Plagiocephaly can help you take early action — and in many cases, prevent the need for helmet treatment altogether.

Flat head syndrome usually develops from repeated pressure on one area of the skull. Common causes include:

• Spending extended time lying on their back, particularly in the early weeks
• A preference for turning the head to one side when resting
• Torticollis — a tightening of the neck muscle on one side, making it harder to turn freely (see our Torticollis page)
• Premature birth — premature babies have even softer skulls and often spend longer lying down
• Position in the womb, particularly towards the end of pregnancy
• Extended time in car seats, bouncers, or other equipment where the head rests against a firm surface

 

Babies should always sleep on their backs — this is essential for reducing the risk of Sudden Infant Death Syndrome (SIDS). However, gently alternating which side of the head your baby rests on while settling can help reduce the risk of flat spots developing.

 

Signs to Look Out For

Signs of Positional Plagiocephaly include:

• A noticeable flat area on the back or side of the head
• One ear appearing further forward than the other
• A bulge on one side of the forehead
• Slight asymmetry in the face or cheeks
• A raised or peaked crown (more common in brachycephaly)

 

Treatment Options

The right approach depends on your baby’s age and the severity of the head shape difference.

Repositioning Therapy

For babies under 4–5 months, repositioning and tummy time are the first step and can be highly effective. Repositioning means actively encouraging your baby to rest and look in directions that take pressure off the flattened area. Started consistently and early, it can prevent the need for helmet treatment altogether. See our Repositioning Guide page for full practical tips.

Cranial Remoulding Helmet Therapy

If repositioning has not brought sufficient improvement, or if the flattening is moderate to severe, Cranial Remoulding Therapy using the LOCband Lite helmet is recommended. This is a non-invasive, pain-free approach that gently guides your baby’s head into a more symmetrical shape as it grows. See our LOCband Lite page for full details.

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