Some healthcare providers may use a topical numbing cream or ice to help reduce any discomfort during the injection process. Additionally, the needles used for Botox injections are very fine, so the injection process is generally quick and easy.    After receiving Botox injections, you may experience some mild side effects, such as redness, swelling, or bruising at the injection site. These side effects are usually mild and temporary and will typically resolve on their own within a few days.