Side effects

Diuretics are generally safe. Side effects may include:

• Urinating more often.
• Too little sodium in the blood.
• Too little potassium in the blood.

Other possible side effects of diuretics include:

• Dizziness.
• Headaches.
• Not enough water in the body for it to work properly, also called dehydration.
• Muscle cramps.
• A type of arthritis called gout, which causes severe joint pain, usually in the big toe.
• Not being able to get and keep an erection firm enough for sexual activity, also called erectile dysfunction or impotence.

Talk to your healthcare team if you have any questions about the medicines you take.