Answer
The hydrochlorothiazide component of hydrochlorothiazide + telmisartan can cause an idiosyncratic reaction resulting in choroidal effusion with visual field defect, acute transient myopia and acute angle-closure glaucoma, which can cause permanent vision loss if untreated.
Sources for this answer
- MicardisPlus 80 mg/25 mg TabletsBoehringer Ingelheim Limited · emc · SmPC §4.4 Special warnings and precautions for use · Version 24Document updated
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