Amlodipine + Grapefruit

MODERATE — Monitor Closely

🟡 MODERATE — Use caution combining grapefruit with Amlodipine.

Evidence level: MODERATE

What this interaction means

Grapefruit can increase amlodipine levels, potentially causing your blood pressure to drop too low.

How it works (mechanism)

Grapefruit inhibits CYP3A4, increasing amlodipine blood levels and enhancing its blood pressure-lowering effect.

Practical advice

Limit grapefruit consumption. Monitor blood pressure more frequently. Rise slowly from sitting/lying positions.

Timing

Be consistent with how you take Amlodipine relative to meals — take it with food or without food consistently each day. Grapefruit — sudden large changes in diet composition can affect how your body processes many medications. Grapefruit, leafy greens, and high-fiber foods are the most common food-drug interaction culprits.

Risk factors

Elderly, patients on multiple blood pressure medications

Symptoms to watch for

Dizziness, lightheadedness, fainting, ankle swelling

What to tell your doctor

Mention grapefruit consumption when reviewing blood pressure control

Safer alternatives

Adjust the timing or quantity of Grapefruit relative to your medication. Maintain consistent daily intake rather than large sporadic amounts. Your pharmacist can advise on specific timing windows.

Frequently asked questions

Can I take Amlodipine and Grapefruit together?

Grapefruit can increase amlodipine levels, potentially causing your blood pressure to drop too low.

When should I take Amlodipine vs Grapefruit?

Be consistent with how you take Amlodipine relative to meals — take it with food or without food consistently each day. Grapefruit — sudden large changes in diet composition can affect how your body processes many medications. Grapefruit, leafy greens, and high-fiber foods are the most common food-drug interaction culprits.

What symptoms should I watch for if I combine Amlodipine and Grapefruit?

Dizziness, lightheadedness, fainting, ankle swelling

Are there safer alternatives to combining Amlodipine with Grapefruit?

Adjust the timing or quantity of Grapefruit relative to your medication. Maintain consistent daily intake rather than large sporadic amounts. Your pharmacist can advise on specific timing windows.

What should I tell my doctor about taking Amlodipine and Grapefruit?

Mention grapefruit consumption when reviewing blood pressure control

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