Blood Pressure Home > Hyzaar Drug Interactions

Hyzaar drug interactions with other medications, such as lithium, insulin, or narcotics, may cause the body to metabolize the drugs differently than intended. These drug interactions may increase the lithium levels in your blood, cause high blood sugar levels, or decrease your blood pressure too much. Therefore, it is recommended that people who take other medications consult their healthcare provider about any Hyzaar drug interactions that may apply to them.

An Overview of Hyzaar Drug Interactions

Hyzaar® (losartan potassium-hydrochlorothiazide) can potentially interact with a number of other medicines. Some of these Hyzaar interactions can include:


    • Amobarbital (Amytal®)
    • Butabarbital (Butisol Sodium®)
    • Phenobarbital (Luminal®)
    • Primidone (Mysoline®)
    • Pentobarbital (Nembutal®)
    • Thiopental (Pentothal®)


Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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