If you have a viral infection of the ear, nose, throat, sinuses or chest, antibiotics won’t make you feel better or recover faster. Talk to your health professional about why you probably don’t need antibiotics.
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Coughs, colds, earaches, sinus congestion problems and sore throats are usually caused by a virus. Antibiotics kill bacteria, not viruses. Colds usually get better in 7 to 10 days, although a cough can last up to 3 weeks.
Taking antibiotics when you don’t need them can have unwanted results.
When antibiotics are necessary, the benefits far outweigh the risks, but when they are not needed, you are taking an unnecessary risk. People taking an antibiotic may experience side effects such as diarrhoea, nausea or vomiting.
Unnecessary use of antibiotics can also lead to antibiotic resistance. This means that antibiotics are no longer effective against the bacteria they once killed. If you have an antibiotic-resistant infection you:
In some people, especially Māori and Pacific children, sore throats can have very serious complications and do need antibiotics. This is because these groups are at risk of a serious preventable illness called rheumatic fever. Sometimes a sore throat is caused by Streptococcus bacteria (strep throat). A strep throat can lead to rheumatic fever if it is not treated quickly with antibiotics. Rheumatic fever is a serious illness because it can cause heart damage.
Call Healthline on 0800 611 116 if you are unsure what you should do.
It’s OK to ask questions
If you have questions about your symptoms or the medicines managing your symptoms, speak with your health professional.
You can also download this information as a PDF (454 KB).
Adapted from NPS MedicineWise (2016), Coughs, colds & sore throats. Reasonable care is taken to provide accurate information at the time of creation. This information is not intended as a substitute for medical advice and should not be exclusively relied on to manage or diagnose a medical condition. NPS MedicineWise and Choosing Wisely New Zealand do not assume any responsibility or liability arising from any error or omission or from reliance on any information in this resource.
This article is part of our content on Choosing Wisely, a campaign encouraging a change in thinking by health professionals and consumers to avoid unnecessary medical intervention.