While Botox injections are generally safe, they can have side effects. Some of the common side effects of Botox include:

1. Pain or discomfort at the injection site

2. Bruising. swelling or redness at the injection site

3. Headache

4. Flu-like symptoms, including fever, chills, and fatigue

5. Temporary eyelid drooping or uneven eyebrows

6. Dry mouth

7. Difficulty swallowing

8. Allergic reactions, such as hives or itching

These side effects are usually mild and resolve on their own within a few days to a few weeks.

However, in rare cases, more serious side effects can occur, such as difficulty breathing or swallowing, muscle weakness, or vision problems. If you experience any of these more serious side effects, you should seek medical attention immediately. It's important to note that the risk of serious side effects is very low when Botox is administered by a qualified medical professional.