Compare Bumex vs. Benicar

Head-to-head comparisons of medication uses, side effects, ratings, and more.


Bumex (bumetanide)

Prescription only

Benicar (olmesartan)

Prescription only
Lowers blood pressure.

Bumex (bumetanide) is very good in lowering blood pressure. However, it can make you dehydrated and lower your blood pressure too much.

Lowers blood pressure.

Benicar (olmesartan) is a good blood pressure-lowering medicine that protects your kidneys, but with fewer side effects.

3.9/ 5 average rating with 118 reviewsforBenicar
  • Available in generic.
  • Much stronger than other water pills.
  • A first-choice blood pressure treatment for many people.
  • Lowers the risk of heart attack and stroke.
  • Similar to ACE inhibitors (like lisinopril), with fewer side effects like cough and swelling.
  • Protects kidney function, which is especially useful for people with diabetes or mild-to-moderate kidney disease.
  • Available by itself and in combination with different blood pressure medicines in a single pill.
  • People taking Bumex (bumetanide) might urinate more often.
  • Bumex (bumetanide) can cause dehydration and loss of salts in your body.
  • People with allergies to sulfa-containing medicines should not take Bumex (bumetanide).
  • Blood tests should be done regularly to check your potassium and other salts.
  • Requires regular blood tests to see how the medicine is affecting your body.
  • Not safe to use if you're pregnant.
  • Recently became a generic, though still relatively expensive.
Used for
Dosage forms
  • Pill
  • Injection
  • Pill
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118 reviews so far
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Side effects
3possible side effects
  • High uric acid in blood
  • Low potassium
  • High blood sugar
See more detailed side effects
1possible side effects
  • Dizziness
See more detailed side effects
Risks and risk factors
  • Dehydration and loss of salts in the blood
    • Age 65 or older
    • Having severe diarrhea
  • Severe allergic reactions
    • History of sulfa allergy
  • Hearing problems
    • Kidney disease
    • High dose of Bumex (bumetanide)
  • Kidney problems
    • Difficulty urinating
    • Kidney disease
  • More severe side effects
    • Over age 65
See more detailed risks and warnings
  • Birth defects
    • Women of childbearing age
  • Worsening kidney problems
    • History of kidney problems
  • Swelling in the face and head
    • African descent
  • High potassium levels
    • Current kidney problems
    • Using medicines that increase potassium
    • Using salt substitutes
  • Low blood pressure
    • Taking with alcohol
    • Taking other medicines that lower your blood pressure
  • Severe diarrhea
See more detailed risks and warnings