Patients usually respond positively when the medicine is used for treating parasitic infections. Many people notice relief from symptoms like itching or discomfort within a few days, although the exact response time can vary depending on the infection. Ivermectin 3mg works by targeting parasites and stopping their growth so the body can gradually remove them. Some patients may experience mild side effects such as headache, dizziness, or nausea, but these effects are usually temporary. For the best results and safety it is recommended to use the medicine under proper medical guidance.