Drug Interactions With Metaproterenol (Cont.)

Metaproterenol Interactions Explained

The following sections explain in detail the potentially negative interactions that can occur when metaproterenol is combined with any of the drugs listed above.
 
Beta Blockers
Taking metaproterenol and a beta blocker together can decrease the effectiveness of both medications. Additionally, people with asthma should generally avoid beta blockers, as they may worsen their condition. While some beta blockers are less likely than others to interact with metaproterenol, all beta blockers can potentially cause problems.
 
Certain Diuretics
Taking metaproterenol and certain diuretics together can increase your risk of low potassium levels (hypokalemia), especially when you use metaproterenol more frequently than recommended. Talk with your healthcare provider before using these medications together.
 
Monoamine Oxidase Inhibitors (MAOIs)
Metaproterenol should not be taken with MAOIs or within two weeks of stopping an MAOI because doing so may result in dangerously low blood pressure (hypotension).
 
Tricyclic Antidepressants
Metaproterenol should not be taken with tricyclic antidepressants or within two weeks of stopping a tricyclic antidepressant because it may result in dangerously low blood pressure (hypotension) or an irregular heart rhythm (arrhythmia).
 

Final Thoughts on Drug Interactions With Metaproterenol

It is possible that not every metaproterenol drug interaction was discussed in this article. Therefore, you should talk with your pharmacist or healthcare provider about drug interactions with metaproterenol that may apply to you.

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Written by/reviewed by: Kristi Monson, PharmD; Arthur Schoenstadt, MD
Last reviewed by: Kristi Monson, PharmD;