Taking antibiotics makes every illness heal quickly.

fact_checkWhat experts say

• infoAntibiotics are used to treat or prevent some bacterial infections. They kill bacteria or stop them from spreading.2
• infoAntibiotics do not work for viral infections such as colds and flu, and most coughs.123
• infoMany mild bacterial infections get better on their own without antibiotics.2
• infoTaking antibiotics when they are not needed can lead to antibiotic resistance. Then they may not work when you really need them.23
• infoAntibiotics may be needed for some bacterial infections that are unlikely to clear on their own or could cause serious problems.2

lightbulbWhy people believe it

People often think antibiotics are a quick cure for any infection, so they ask for them during colds and flu too.

checklistWhat to do

• check_circleTake antibiotics only when a doctor prescribes them for you.2
• check_circleDo not borrow antibiotics from friends or family.2
• check_circleFor colds, flu, and most coughs, antibiotics do not help. Ask a doctor or pharmacist what will help.123
• check_circleIf you are given antibiotics, take them as directed by your doctor or pharmacist.2

menu_bookSources

1. 1Antibiotics Do Not Treat Viruses Materialscdc.govopen_in_new
2. 2Antibioticsnhs.ukopen_in_new
3. 3Keep antibiotics working – limit their use this flu seasonwho.intopen_in_new

Updated 28 Sep 2026