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Medicines timolol maleateQuestion & answer

timolol maleate · Medicine question

Can timolol maleate eye drops mask the signs of hyperthyroidism?

iatroX medicinesPublished 8 November 2026

The answer

Answer

Yes, timolol maleate eye drops, as a beta-blocker, may mask the signs of hyperthyroidism.

Sources for this answer

Timolol Eye Drops 0.25%FDC International Ltd · emc · SmPC §4.4 Special warnings and precautions for use · Version 5Document updated 23 April 2020

Sources checked 8 November 2026

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timolol maleate

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