Head-to-head comparisons of medication uses, side effects, warnings, and more.
Losartan (Cozaar)
Metoprolol tartrate (Lopressor)
Losartan (Cozaar)
Metoprolol tartrate (Lopressor)
Summary of Losartan vs. Lopressor
Summary for ARB
Prescription only
Losartan, also known by the brand name Cozaar, is a first-choice medication that's used to lower blood pressure. It's also shown to protect against stroke in certain people. In addition, this medication can slow down the worsening of kidney problems in certain people with diabetes. Losartan (Cozaar) belongs to the drug class called angiotensin II receptor blockers (ARBs). This medication is taken by mouth once daily and is available as a lower-cost generic. Side effects can include dizziness, fatigue, and upper respiratory infections.
Summary for Beta blocker
Prescription only
Metoprolol tartrate (Lopressor) is used to treat chest pain and high blood pressure. It's also used to lower the risk of death after a heart attack. This medication is taken by mouth, typically twice daily, though your dosage depends on what condition you have. Some side effects of metoprolol tartrate (Lopressor) include dizziness or tiredness. Metoprolol tartrate (Lopressor) is available as a brand name and generic tablet.