Some side effects with Bumex are potentially serious and should be reported immediately to your healthcare provider. These include but are not limited to:
Dizziness, lightheadedness, or fainting spells
Confusion, disorientation, or other mental problems (signs of hepatic encephalitis, a brain problem in people with liver disease)
Signs of dehydration or low electrolytes, such as:
A rapid heart rate (tachycardia) or irregular heart rhythms (arrhythmia)
Nausea or vomiting.
Yellowing of the skin or the whites of the eyes
Ringing in the ears (tinnitus) or hearing problems
Worsening of gout
High blood sugar (hyperglycemia)
Signs of an allergic reaction, including:
An unexplained rash
Hives
Itching
Unexplained swelling
Wheezing
Difficulty breathing or swallowing.
Rare Bumex Side Effects
Rare Bumex side effects occur in 0.5 percent or less of people taking the drug. Because these side effects are so uncommon, it is difficult to tell whether they are because of the medication or something else.
Some of these rare side effects include but are not limited to: