Find out when furosemide should not be used and who may need a lower dose or additional monitoring.
Who should not take furosemide?
- People with low blood pressure.
- People who are dehydrated.
- People who do not produce urine.
- People with kidney failure caused by liver poisoning or kidney-damaging agents.
- People who are unconscious because of a liver disease affecting the brain (hepatic encephalopathy).
- People with Addison’s disease.
- People with a very low potassium content in the blood (hypokalemia).
- People with very low sodium content in the blood (hyponatremia).
- People with poisoning foxglove.
- People who are allergic to sulfonamide drugs, for example, antibiotic sulfamethoxazole.
- People who are allergic to any of the ingredients of medicine. If you feel that you have experienced an allergic reaction, stop taking furosemide and immediately tell your doctor or pharmacist.
Who may need a lower dose or additional monitoring when taking furosemide?
- Aged people.
- People with kidney or liver problems.
- People with difficulties passing urine, for example men with enlarged prostate.
- People with diabetes. Furosemide can sometimes raise blood sugar, so your doctor may want you to check your blood sugar more often, and you may need an increased dose of insulin or diabetic tablets.
- People with a history of gout. Furosemide can increase the level of uric acid and, therefore, can cause a gout attack.
- People with hepatic insufficiency, who also have kidney failure (hepatorenal syndrome).
- People with low protein in the blood (hypoproteinemia), for example, because of kidney disorders.
- Elderly people with dementia who receive risperidone.
Is furosemide safe during pregnancy?
- It is important to tell your doctor if you think or think you can be pregnant before taking furosemide.
- Furosemide should be used with caution during pregnancy, and only if the expected benefit to the mother is greater than any possible risk to the developing child. It should not be used to treat high blood pressure caused by pregnancy. Seek medical advice from a doctor.
Is furosemide safe for breastfeeding?
- Make sure your doctor knows if you are breast-feeding before taking furosemide. Furosemide can penetrate into breast milk in small amounts and can also reduce production of breast milk. It should be used with caution in women who are breastfeeding, and only if the benefits outweigh any risks to nursing infants. Consult with your doctor.