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Beta Blockers

Severity scale:

Beta-blockers are a class of common heart or blood pressure medications used in both people and pets. When given as directed, these drugs are life-saving and do a wonderful job of regulating heart problems. If an accidental overdose occurs, however, the outcome can be fatal. There is a very, very narrow margin of safety with any drugs within this class, so even the slightest additional amount can result in heart failure, a decreased heart rate, low blood pressure, and kidney failure. In accidental ingestion cases, or in cases where an overdose of medication may have been given, immediate treatment is necessary.

Toxic to: 
Dogs and Cats
Most drugs within this class end in the suffix -olol, including atenolol, carvedilol, esmolol, labetalol, metoprolol, nadolol, nebivolol, propanolol, sotalol, and timolol
Symptoms: 
Nausea, vomiting, weakness, collapse, slowed heart rate, lethargy, low blood pressure, heart failure, kidney failure
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