Long-term use of proton-pump inhibitors is linked to which electrolyte disturbance?

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Multiple Choice

Long-term use of proton-pump inhibitors is linked to which electrolyte disturbance?

Explanation:
Chronic acid suppression with proton-pump inhibitors can reduce magnesium absorption in the gut, leading to hypomagnesemia. Magnesium is absorbed mainly in the small intestine, and acid suppression can affect its solubility and uptake, possibly involving the TRPM6 transport pathway. Low magnesium can manifest with symptoms like muscle cramps, fatigue, tremors, seizures, or even heart rhythm changes. Among the listed electrolyte disturbances, this is the one most consistently linked to long-term PPI use. The other options are not the typical or direct consequence of prolonged PPI therapy. If magnesium remains low, reassessing PPI therapy and replenishing magnesium are appropriate steps.

Chronic acid suppression with proton-pump inhibitors can reduce magnesium absorption in the gut, leading to hypomagnesemia. Magnesium is absorbed mainly in the small intestine, and acid suppression can affect its solubility and uptake, possibly involving the TRPM6 transport pathway. Low magnesium can manifest with symptoms like muscle cramps, fatigue, tremors, seizures, or even heart rhythm changes. Among the listed electrolyte disturbances, this is the one most consistently linked to long-term PPI use. The other options are not the typical or direct consequence of prolonged PPI therapy. If magnesium remains low, reassessing PPI therapy and replenishing magnesium are appropriate steps.

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