Using of agar may lead to bowel blockage and trouble swallowing as agar might swell up and block bowel or eating tube. So agar should be taken along with a lot of water. * Report new side effects to us by sending email to foodchemmis08@foodchem.cn. Our expert will review it and respond soon.
1 Mullein is used by herbal practitioners to clear excess mucus from the lungs, cleanse the bronchial tubes, and reduce inflammation present in the respiratory tract. 2  You can make a tea can from one teaspoon of the dried herb and one cup of boiled water. 3  Alternatively, you can take a tincture form of this herb.
Phlegm may be clear (white), yellow/green, brown, grey, black, pink, orange, containing red streaks, or frothy. Phlegm is mucus (sputum) coughed up from the chest. It reveals inflammation in the respiratory organs below the vocal cords (voice box, windpipe, bronchi and lungs).auses of clear white phlegm include: 1  Acute viral bronchitis (chest cold) is inflammation of bronchi (airways between windpipe and lungs), sometimes affecting persons with common cold, influenza or other viral respiratory infection.