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Drug interactions

Amlodipine-atorvastatin + Terazosin

Severity: Moderate

Amlodipine-atorvastatin and Terazosin: moderate interaction.

Last updated

For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.

Summary

Both amlodipine and terazosin lower blood pressure through vasodilation. Together they can cause excessive hypotension, dizziness and syncope, particularly after the first dose or a dose increase.

What this interaction means in plain words

Amlodipine-atorvastatin and Terazosin can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.

Amlodipine-atorvastatin belongs to Cardiovascular; Terazosin belongs to Genitourinary.

Evidence level: Moderate

Why it happens

Additive vasodilation through calcium channel blockade and alpha-1 adrenergic receptor blockade.

What to do

Monitor blood pressure, including standing readings, when starting or adjusting either drug. Give the first terazosin dose at bedtime and titrate slowly.

What to ask your pharmacist

  • Should I take them at different times of day?
  • Does the dose of either medicine need to change?
  • Is there anything I should avoid, such as alcohol or certain foods, while on both?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Amlodipine-atorvastatin with Terazosin?

MediHelp rates the interaction as moderate. Amlodipine-atorvastatin and Terazosin can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Both amlodipine and terazosin lower blood pressure through vasodilation. Together they can cause excessive hypotension, dizziness and syncope, particularly after the first dose or a dose increase.

How serious is the interaction between Amlodipine-atorvastatin and Terazosin?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor blood pressure, including standing readings, when starting or adjusting either drug. Give the first terazosin dose at bedtime and titrate slowly.

What other medicines interact with Amlodipine-atorvastatin?

MediHelp also lists interactions of Amlodipine-atorvastatin with, for example, Amifostine, Apalutamide, Atazanavir. The full list is on the Amlodipine-atorvastatin page.

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