Key takeaways
Tenoretic (atenolol/chlorthalidone) and Ziac (bisoprolol/hydrochlorothiazide) are both combination medications used to treat high blood pressure, but they have some differences. Tenoretic combines atenolol, a cardioselective beta blocker, with chlorthalidone, a thiazide-like diuretic, while Ziac combines bisoprolol, another cardioselective beta blocker, with hydrochlorothiazide, a thiazide diuretic. Both medications are taken once daily and can cause side effects like dizziness and nausea. However, Tenoretic is not recommended for use during pregnancy or breastfeeding, while Ziac hasn't been well-studied in human pregnancies but is suggested to be harmful based on animal studies. Both medications can make your skin more sensitive to sunlight, whereas Ziac can cause vision problems and glaucoma in rare cases. Both medications come in fixed doses, making it harder to adjust the individual components.
