Based on the available information, there is no explicit contraindication for taking Lipitor (atorvastatin) with loop diuretics. However, it is crucial to note that concomitant use of these medications may increase the risk of certain side effects [1][2].

Lipitor, a statin medication, is used for lowering cholesterol levels, while loop diuretics are commonly prescribed to treat high blood pressure and edema [1][2]. When used together, these medications may increase the risk of muscle-related side effects, such as rhabdomyolysis, due to the combined effect on the metabolism of muscle tissues [2].

Healthcare professionals must closely monitor patients taking both Lipitor and loop diuretics for any signs of adverse effects [2]. It is essential to consult a healthcare provider or pharmacist for personalized advice regarding medication interactions [1].

Sources:
[1] <https://www.drugpatentwatch.com/p/tradename/LIPITOR>
[2] <https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7397681/>