Colds and flu

Updated 05 February 2016

Treating a cold

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Most colds will be over in 7 to 10 days, and can usually be treated at home. If there is a mild fever and a feeling of lethargy in the early stages of a cold, bed rest is advisable.

Here are some practical tips that may help to alleviate cold symptoms:

- Inhale steam, with or without aromatic oils such as eucalyptus or camphor, but be careful to avoid burns.

- Use over-the-counter cold preparations available at pharmacies. Most of these contain aspirin or paracetamol with or without codeine, and a decongestant (vasoconstrictor) such as pseudoephedrine to reduce nasal stuffiness. Pseudoephedrine should not be taken if you have heart disease, high blood pressure, prostrate problems, diabetes or thyroid problems. Do not give aspirin-containing medications to children with viral infections.

- Antihistamine preparations are of little value in colds unless one has an allergic tendency. Drowsiness may be a problematic side effect.

- Some cough preparations ease a dry, hacking cough, but a wet cough should not be suppressed, as it is important to cough up infected lung secretions.

- Mucolytics (mucus-thinning agents) such as carbocisteine may help to thin nasal mucus and allow it to drain, which may help prevent secondary bacterial infections such as sinusitis.

- Antibiotics will not improve cold symptoms and will not prevent a bacterial infection from developing after a cold. However, antibiotics may be prescribed for bacterial complications such as sinusitis or ear infections.

- It has been suggested that use of vitamin C can alleviate symptoms, especially if taken early on in the course of the illness. However, no scientific evidence exists to prove or disprove this advice.  Doses of 1 to 2g a day may shorten the duration and severity of colds, but this varies. Do not use such high doses of Vitamin C for long periods. 

Read more: 

Symptoms of a cold 

Causes of a cold 

Preventing a cold

Reviewed by Dr Marvin Hsiao MBBCH MMed MPH, Division of Medical Virology, Department of Clinical Laboratory Sciences, University of Cape Town. February 2015.

(Previously reviewed by Dr Eftyhia Vardas, University of the Witwatersrand 2011)

 

 

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Flu expert

Dr Heidi van Deventer completed her MBChB (Bachelor of Medicine and Bachelor of Surgery) degree in 2004 at the University of Stellenbosch.
She has additional training in ACLS (Advanced Cardiac Life Support) and PALS (Paediatric Advanced Life Support) as well as biostatistics and epidemiology.

Dr Van Deventer is currently working as a researcher at the Desmond Tutu Tuberculosis Centre at the University of Stellenbosch.

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