Taking buy ivermectin online has a variety of side effects, some of which can be serious. First, it's important to know that you should not take this drug if you are pregnant or breastfeeding; the effects on your baby could be severe. This drug may also interact with other medications, so make sure to let your doctor know what other drugs you're taking before starting this treatment. Ivermectin is usually taken for 28 days, but in some cases it may need to be taken for up to 3 months. It's also important to keep track of any changes in your skin while taking the medication because side effects like itching and scaling might occur.