What should you know about infective endocarditis antibiotics?

Infective endocarditis is an infection affecting the inner lining of the heart or a heart valve. Bacteria can enter the bloodstream through an infection elsewhere, dental problems or a medical procedure, then settle on damaged tissue or a prosthetic valve. Treatment usually begins in hospital with antibiotics chosen after blood cultures and other tests. The medicine may be given into a vein, and the treatment plan can involve repeated examinations, blood tests and heart imaging.

Take every dose at the scheduled time and do not stop treatment because you feel better. Tell the treating team about allergies, kidney problems, hearing changes and all medicines or supplements you use. Keep appointments for blood tests and heart scans, because clinicians use them to check that infection is clearing and the medicine remains suitable. Do not share antibiotics or use leftover tablets. Good dental care and prompt attention to new infections can reduce future risks, but prevention advice depends on your heart history.

Get emergency help for sudden breathlessness, chest pain, fainting, severe confusion, new weakness on one side, or coughing up blood. Contact your clinical team promptly for persistent fever, shaking chills, worsening tiredness, new swelling, a fast or irregular heartbeat, or a rash or breathing difficulty after an antibiotic. Endocarditis can damage valves or allow infection to travel, so new symptoms during treatment should not wait for the next routine review.

Ask which organism was found, how the antibiotic was selected, how long treatment is expected to continue, which tests monitor progress, and whether you need advice before dental work or another procedure.