Homeopathic medicines such as Bryonia, Pulsatilla, Causticum, Dulcamara, and Kali Bichromicum, among others, will be recommended by a homeopathy doctor based on the symptoms of phlegm. Please do note that Homeopathy is an individualized form of treatment, so for a remedy best suited to your needs, we recommend you consult your local homeopath who will be able to assist you better.