33 herbals Cofkold Relief Syrup contains three active medicines which together effectively treat symptoms such as dry cough (cough with no mucus), runny nose, fever, sneezing, itching, and watery eyes. These symptoms are usually caused by the common cold and other respiratory conditions in children.Cofcold syrup helps to give relief from stuffy nose, sinus, and ear symptoms caused by allergies, common cold, dry cough, flu, or other breathing illnesses such as sinusitis and bronchitis. Cofcold Syrup works by decreasing swelling in the nose and ears which makes breathing easier and lessens any discomfort. Mild upset stomach, lightheadedness, seizures, mood changes, trouble sleeping, dizziness, shaking, headache, nervousness or fast and irregular heartbeat may occur as side effects to this medication.