Revised SPC: Aldactide (spironolactone and hydroflumethiazide) 50mg Tablets

SPC updated to warn sulphonamide like drugs, such as hydroflumethiazide, can cause idiosyncratic reaction resulting in choroidal effusion with visual field defect, transient myopia and acute angle-closure glaucoma, typically occurring within hours to weeks of drug initiation.

Source:

electronic Medicines compendium