Supplement stacks / Amoxicillin + Magnesium

Can You Take Amoxicillin with Magnesium?

Taking Amoxicillin with Magnesium may lead to reduced absorption of the antibiotic, which could decrease its effectiveness. It is advisable to space the intake of these substances to minimize potential interactions.

Safety at a glance
Medium risk
Safety score7/10

Conservative, AI-assisted reading of publicly available medical sources (NIH, Mayo Clinic, WebMD, Examine.com). Informational only — it can't account for your medications, conditions, or genetics.

Known interactions
Amoxicillin × Magnesium
medium

Magnesium may interfere with the absorption of Amoxicillin, potentially reducing its effectiveness. It is recommended to take them at least 2 hours apart.

Amoxicillin

Generally well-tolerated; however, some individuals may experience allergic reactions or gastrointestinal disturbances.

Typical dosage: Follow manufacturer guidelines, typically 250-500 mg every 8 hours or 875 mg every 12 hours.

Common side effects:
  • Nausea
  • Diarrhea
  • Rash
  • Allergic reactions (rare)
Warnings:
  • Consult healthcare provider if allergic to penicillin or cephalosporins.
  • Monitor for signs of an allergic reaction.
Magnesium

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

Typical dosage: 200-400 mg daily.

Common side effects:
  • Diarrhea
  • Nausea
  • Abdominal cramping
Warnings:
  • Avoid high doses if you have kidney disease.
  • Consult healthcare provider if taking other medications.
Timing

Take Amoxicillin and Magnesium at least 2 hours apart to avoid absorption issues.

Frequently asked questions

Can you take Amoxicillin and Magnesium together?

Taking Amoxicillin with Magnesium may lead to reduced absorption of the antibiotic, which could decrease its effectiveness. It is advisable to space the intake of these substances to minimize potential interactions.

How safe is the Amoxicillin and Magnesium combination?

Our analysis of publicly available medical sources scores this combination 7/10 (medium risk). This is an informational estimate, not medical advice — always confirm with a healthcare professional.

When should you take Amoxicillin and Magnesium?

Take Amoxicillin and Magnesium at least 2 hours apart to avoid absorption issues.

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Analysis generated August 28, 2026 · Sources include NIH, Mayo Clinic, WebMD, and Examine.com · How our analysis works