In patients with acute eczema, it can subside in 2 to 3 weeks. However, it is impossible to generalize due to the different conditions of individuals. Acute eczema is a recurrent, inflammatory skin disease, the cause of which is not yet clear. Acute eczema has a certain degree of self-healing, and is prone to recurring or chronic eczema. In most cases of acute eczema, skin symptoms gradually subside in 2 to 3 weeks. If the symptoms are mild, the recovery time is shorter. If the symptoms are relatively severe, the recovery time is relatively longer. The specific situation should be based on their own condition, comprehensive judgment. Once diagnosed with acute eczema, patients should go to a regular hospital and actively cooperate with doctors to take relevant treatment measures to avoid delaying the condition.