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Colds usually get better on their own in 7-10 days, but there are things you can do to help you fight the cold and feel better.
Remember that all medicines can cause unwanted effects. Some medicines cannot be taken by people with particular medical conditions, by people who are also taking certain other medicines, by the young or old, during pregnancy or when breastfeeding. To choose the best medicine for you or your child ask your pharmacist or doctor for advice and always read the label.
All medicines, including herbal and natural medicines, can cause unwanted effects and may interact with other medicines. The benefits and risks of herbal and natural medicines may not have been tested.
Overall there isn’t enough information from good quality clinical trials to prove that vitamin or mineral supplements or herbal medicines help treat or prevent colds. This is particularly the case for children. In addition, there is generally limited information on their safety, and some can cause side effects.
Vitamin C supplements have not been shown to prevent colds or to give reliable effects in treating colds.
Zinc might shorten the length of a cold for some people or reduce the severity of their symptoms. But it can also cause side effects like nausea or a bad taste in the mouth.
Echinacea medicines available differ greatly and most have not been tested in good quality clinical trials. It is not known whether echinacea is likely to prevent or treat common colds.
Date published: 2011-07-08 00:00:00
Reasonable care is taken to provide accurate information at the date of creation. This information is not intended as a substitute for medical advice from a qualified health professional. Health professionals should rely on their own expertise and enquiries when providing medical advice or treatment. Where permitted by law, NPS disclaims all liability (including for negligence) for any loss, damage or injury resulting from reliance on or use of this information. Read our full disclaimer.
References to brands should not be taken as an endorsement by NPS.