3 doctors weighed in:
Is it normal for my 8-month-old become stiff sometimes?
3 doctors weighed in

Dr. Colton Bradshaw
Pediatrics
1 doctor agrees
In brief: Yes
Brief stiffening episodes are common.
Babies resisting car seats, fighting the change of diapers, or expressing frustration or pain oftentimes triggers stiffening behavior. However, prolonged stiff spells could signify seizures or continually stiffened extremities could be an early symptom of cerebral palsy. So, if your infant demonstrates atypical stiffness, discuss this with your pediatrician.

In brief: Yes
Brief stiffening episodes are common.
Babies resisting car seats, fighting the change of diapers, or expressing frustration or pain oftentimes triggers stiffening behavior. However, prolonged stiff spells could signify seizures or continually stiffened extremities could be an early symptom of cerebral palsy. So, if your infant demonstrates atypical stiffness, discuss this with your pediatrician.
Dr. Colton Bradshaw
Dr. Colton Bradshaw
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Dr. Robert Kwok
Pediatrics
In brief: No
Normal 8-month babies do not become stiff sometimes.
If a baby gets stiff briefly off and on, remember how long the stiffness lasts, whether the baby is awake & alert during the stiffness, and how the baby behaves after the stiffness. One should speak to the doctor after the stiffness. If stiffness is associated with a significant illness, or is more than a few seconds, call 911 for ambulance.

In brief: No
Normal 8-month babies do not become stiff sometimes.
If a baby gets stiff briefly off and on, remember how long the stiffness lasts, whether the baby is awake & alert during the stiffness, and how the baby behaves after the stiffness. One should speak to the doctor after the stiffness. If stiffness is associated with a significant illness, or is more than a few seconds, call 911 for ambulance.
Dr. Robert Kwok
Dr. Robert Kwok
Thank
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