Post-nasal drip

The most common cause of post-nasal drip is an upper respiratory infection such as a cold. In these cases, the post-nasal drip clears up when the infection is resolved.

Allergy is also a common cause of post-nasal drip, and should be suspected when the mucous is watery rather than thick and other symptoms such as itching eyes, nose and palate are present.

• Horseradish is indicated to dry up mucous from the sinus area; it is frequently combined with garlic which has antibiotic properties, and fenugreek which soothes the inflamed mucous membranes of the respiratory tract
• Cod liver oil is rich in vitamin A which helps maintain healthy mucous membranes of the nose, throat and eyes
• Use the herb Andrographis to reduce the symptoms of your cold and the time taken to recover from it
• Echinacea is a herbal medicine indicated to boost your immune system if you are experiencing recurrent upper respiratory infections. The mineral zinc may also be of assistance

Make sure you drink lots of water, and consider using a humidifier in the bedroom to keep the mucous membranes in your nose, throat and eyes moisturised. This is especially important in winter when the humidity is lower.

Avoid mucous-forming foods such as dairy products, sugar and refined foods. Instead, eat a diet rich in fresh fruit and vegetables and whole grain products.

Don't eat a large meal just before bed as this can worsen the problem.

Airborne allergies such as animal hair, feathers and dust mites may trigger or aggravate post-nasal drip.

Don't allow pets into your bedroom, and swap your feather doona for hypo-allergenic bedding such as cotton sheets and blankets.

Specialised cleaning may be required to remove dust mites.

Nasal sprays and other over-the-counter decongestant medications are not recommended for long-term use. See your healthcare professional if symptoms persist for longer than seven days.