The recommended Lipitor dosage restrictions for children are dependent on various factors. Atorvastatin, the active ingredient in Lipitor, is typically not recommended for use in children under the age of 10. For children between the ages of 10 and 17, the dosage is usually determined by the child's healthcare provider based on their individual medical condition and needs. It is important to follow the healthcare provider's instructions regarding the dosage and administration of Lipitor in children to ensure safety and effectiveness.

Sources:
[1] drugpatentwatch.com
[2] mayoclinic.org
[3] nhs.uk