Common Name: Deadly Nightshade Causes & Symptoms for Dr. Reckeweg Conium Maculatum Conium patients suffers with a gradually progressing weakness, which can be relieved with this medicine. Hardness especially the glands, which become swollen and indurated with a gradually progressing weakness indicates Conium. Conium is an important remedy in chronic recreational drug users, who are more careful with drugs, also in people who are addicted to alcohol.