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What the FDA labels say about taking them together

Magnesium hydroxide and rosuvastatin

Rosuvastatin's FDA label of September 4, 2026 names magnesium hydroxide in its drug interactions section; the magnesium hydroxide label PlainMeds reads does not name rosuvastatin. The rosuvastatin label: “Mechanism and Clinical Effect (s):; Concomitant aluminum and magnesium hydroxide combination antacid administration decreased the mean exposure of rosuvastatin 50%.”

Check it at the source: the magnesium hydroxide FDA label on DailyMed (effective August 21, 2026); the rosuvastatin FDA label on DailyMed (effective September 4, 2026, ScieGen Pharmaceuticals, Inc.).

What does the magnesium hydroxide label say about rosuvastatin?

Magnesium hydroxide's label (effective August 21, 2026) does not name rosuvastatin in these sections. A label lists what its studies and reports found; it is not a complete list.

Source: FDA drug label (MiraFAST soft chews), Bayer HealthCare LLC., effective August 21, 2026 (SPL set 2cee67dd-b71f-32b8-e063-6394a90ae864), via openFDA; the full label on DailyMed

What does the rosuvastatin label say about magnesium hydroxide?

Rosuvastatin label, drug interactions

Mechanism and Clinical Effect (s):; Concomitant aluminum and magnesium hydroxide combination antacid administration decreased the mean exposure of rosuvastatin 50% [see ].

Source: FDA drug label (Rosuvastatin), ScieGen Pharmaceuticals, Inc., effective September 4, 2026 (SPL set ee4933c5-0d97-494d-ac0f-2083e0100836), via openFDA; the full label on DailyMed

These are the labels' own sentences. PlainMeds does not grade interactions; a pharmacist or prescriber can say what they mean for one person's medicines.

Both medicines on the record

0Magnesium hydroxide generic labelers
45Rosuvastatin generic labelers
Magnesium hydroxideRosuvastatin
Labeled forConstipation, Acid reflux and ulcersHeart attack and coronary artery disease, High cholesterol, High triglycerides, Stroke prevention
Boxed warningNoNo
Pharmacy cost (NADAC)$0.0095 per mL Milk of magnesia suspension$0.0692 per tablet 40 mg tablet
Shortage nowNo current entryNo current entry

Source: FDA NDC Directory, CMS NADAC of October 7, 2026 and the FDA Drug Shortage Database (FDA files October 8, 2026)

What next?