Answer
Cozaar-Comp (hydrochlorothiazide + losartan) carries warnings for choroidal effusion with visual field defects, transient myopia and acute angle-closure glaucoma, which can cause permanent vision loss if untreated; sudden reduced vision or eye pain typically occurs within hours to weeks of starting treatment.
Sources for this answer
- Cozaar - Comp 50/12.5mg, 100/12.5mg and 100/25mg Film-Coated TabletsOrganon Pharma (UK) Limited · emc · SmPC §4.4 Special warnings and precautions for use · Version 28Document updated
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