A member asked:

My 2 month old son is always jerking his head and grunting and has sporadic movements with his arms. it isn't constant but very common. why is this??

10 doctors weighed in across 2 answers

Abnormal movements: Abnormal movements in a 2 month old are concerning for a number of diagnoses, including seizures or infantile spasms, though of course it could also be behavioral though that is less likely at such a young age. You should see a pediatric neurologist for further workup.

Answered 10/24/2017

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Might be normal: Before the baby has control of their limbs,the brain sends out regular movement signals to every muscle in the body.This acts to preserve the muscle mass and tone in each so it will be available when baby gains motor skills to use them.This is seen as random stretching and flexing that seems to be for no purpose.Have your doc observe and decide if it fits with normal movements or needs evaluation

Answered 10/31/2014

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