Used to treat symptoms of anxiety, nervousness, and stress, often when accompanied by physical weakness. it is especially helpful for conditions involving flu-like symptoms, where there is a combination of chills, fever, and muscle weakness. this remedy is often indicated when a person feels mentally dull, exhausted, or has difficulty focusing. gelsemium is also used for headaches, particularly those related to tension or stress, and for conditions causing trembling or dizziness, such as during emotional strain or before important events.