Pesticides can be hazardous, so take safety precautions before, during, and after use. Before using a product, always read the label to ensure it's authorized by Health Canada (look for a Pest Control Products number). Make sure it’s suitable for your needs, whether for indoor or outdoor use. During use, wear protective clothing and keep children, pregnant women, seniors, and pets out of the area. Follow the label instructions carefully. If using pesticides outdoors, avoid spraying when the wind