Answer
Tinnitus is an uncommon adverse reaction with Co-Diovan (hydrochlorothiazide + valsartan), meaning it occurs in at least 1 in 1,000 but fewer than 1 in 100 patients.
Sources for this answer
- Co-Diovan 80/12.5 mg, 160/12.5 mg, 160/25 mg TabletsNovartis Pharmaceuticals UK Ltd · emc · SmPC §4.8 Undesirable effects · Version 28Document updated
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