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Drug interactions

Telmisartan-amlodipine + Timolol

Severity: Moderate

Telmisartan-amlodipine and Timolol: 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

Systemic timolol adds to the blood pressure lowering effect of telmisartan and amlodipine and may cause bradycardia or hypotension. Ophthalmic timolol can have systemic absorption, so the effect may occur with eye drops as well.

What this interaction means in plain words

Telmisartan-amlodipine and Timolol 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.

Telmisartan-amlodipine belongs to Cardiovascular; Timolol belongs to Cardiovascular.

Evidence level: Moderate

Why it happens

Additive pharmacodynamic antihypertensive effects of beta blockade with angiotensin receptor and calcium channel blockade.

What to do

Monitor blood pressure and heart rate when starting or adjusting therapy, and reduce doses if symptomatic hypotension or bradycardia appears.

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 Telmisartan-amlodipine with Timolol?

MediHelp rates the interaction as moderate. Telmisartan-amlodipine and Timolol 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. Systemic timolol adds to the blood pressure lowering effect of telmisartan and amlodipine and may cause bradycardia or hypotension. Ophthalmic timolol can have systemic absorption, so the effect may occur with eye drops as well.

How serious is the interaction between Telmisartan-amlodipine and Timolol?

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 and heart rate when starting or adjusting therapy, and reduce doses if symptomatic hypotension or bradycardia appears.

What other medicines interact with Telmisartan-amlodipine?

MediHelp also lists interactions of Telmisartan-amlodipine with, for example, Aliskiren, Sparsentan, Amifostine. The full list is on the Telmisartan-amlodipine page.

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