Supplement stacks / Diltiazem + Magnesium

Can You Take Diltiazem with Magnesium?

Diltiazem and Magnesium: one interaction flagged, scored 7/10 (medium risk). The count and score come from an AI-written analysis checked against our interaction rules, which can only make it stricter. Not medical advice.

Safety at a glance

Medium risk
Safety score7/10

This score comes from an AI-written analysis of the pair. Our interaction rules check it and can only make it stricter, never milder. Informational only: it can't account for your medications, conditions, or genetics.

What the AI-written analysis says

Taking diltiazem with magnesium may present some interaction risks, particularly concerning absorption and potential effects on blood pressure. While magnesium is generally safe, it can affect the absorption of certain medications and may have implications for individuals with specific health conditions.

Diltiazem is a prescription medication. This page describes publicly documented interactions — it can't see your dose, your other prescriptions, or your labs. Discuss any supplement with the prescriber or pharmacist who manages this medication before combining.

Known interactions

Diltiazem × Magnesium
medium risk

Magnesium may interfere with the absorption of diltiazem, potentially reducing its effectiveness. It is advisable to separate the intake of these substances by at least 2 hours.

Diltiazem

From the AI-written analysis.

Generally well-tolerated but may cause side effects such as dizziness, headache, and gastrointestinal issues. Monitor for signs of hypotension.

Typical dosage: As prescribed or as directed on the label

Common side effects:
  • Dizziness
  • Headache
  • Nausea
  • Fatigue
Warnings:
  • Consult healthcare provider for potential interactions with other medications, especially those affecting heart rate or blood pressure.

Magnesium

From the AI-written analysis.

Generally safe for most individuals; caution in those with kidney disease or heart block.

Typical dosage: 200-400 mg daily.

Common side effects:
  • Diarrhea
  • Nausea
  • Abdominal cramping
Warnings:
  • High doses can lead to gastrointestinal upset; consult a healthcare provider if you have kidney issues.

Timing

Take as prescribed — we do not schedule prescription medications. Follow the label or your prescriber, and ask your pharmacist before changing when you take it.

Watch out for

  • Monitor blood pressure regularly while taking diltiazem and magnesium together.

Frequently asked questions

Can you take Diltiazem and Magnesium together?

Diltiazem and Magnesium: one interaction flagged, scored 7/10 (medium risk). The count and score come from an AI-written analysis checked against our interaction rules, which can only make it stricter. Not medical advice.

What score does the Diltiazem and Magnesium combination get?

The Diltiazem and Magnesium combination is scored 7/10 (medium risk). The score comes from an AI-written analysis checked against our interaction rules, which can only make it stricter. Not medical advice. Always confirm with a healthcare professional.

When should you take Diltiazem and Magnesium?

Take as prescribed — we do not schedule prescription medications. Follow the label or your prescriber, and ask your pharmacist before changing when you take it.

What should you watch out for when combining Diltiazem and Magnesium?

Monitor blood pressure regularly while taking diltiazem and magnesium together.

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AI-written analysis generated August 28, 2026, checked by our interaction rules · How our analysis works