There is no specific recommended dosage for Lipitor (atorvastatin) when used with antidepressants. However, it is important to note that there may be potential drug interactions between Lipitor and certain antidepressants, which can affect the metabolism of both drugs and increase the risk of side effects.

According to a study published in the Journal of Clinical Psychiatry [3], the use of selective serotonin reuptake inhibitors (SSRIs) with atorvastatin was associated with a significant increase in the risk of hospitalization for acute kidney injury. The study suggests that caution should be exercised when using these drugs together, and patients should be monitored closely for signs of kidney injury.

Another study published in the Journal of Clinical Psychopharmacology [2] found that the use of atorvastatin with certain antidepressants, such as fluoxetine and paroxetine, can increase the risk of muscle damage and rhabdomyolysis. The study recommends that patients taking these drugs together should be closely monitored for muscle pain, weakness, and other signs of muscle damage.

It is important to consult with a healthcare provider before taking Lipitor with antidepressants, as they can provide individualized recommendations based on a patient's medical history, current medications, and other factors. They may recommend starting with a lower dose of Lipitor and monitoring for any potential side effects or drug interactions.

Sources:
[2] https://pubmed.ncbi.nlm.nih.gov/22682406/
[3] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9827898/