Wild thyme - Thymus serpyllum L. 
It has been a long time since experiencing that wild thyme works well against headache. The essential oils in wild thyme have a disinfecting power. They promote the coughing up mucus, and they also have beneficial effect on the contraction of the respiratory tract. Wild thyme is given on: cough, mild bronchitis, nasal congestion for colds and mucosa inflammation in throat and mouth.