Just as with any medical procedure, there are risks and possible side effects. Clinical trials of Botox showed that it is safe and effective. However, some people showed mild or moderate to severe side effects. If you notice any of these medical conditions that appeared in the clinical trials, or something else, talk to your provider so that they can closely monitor you and help you decide if further Botox treatments are a good choice.
- Mild bruising, swelling, redness, or pain around the injection site
- Drooping eyelids or eyebrows
- Weak or paralyzed muscles (near the treated area)
- Dry mouth
- Trouble breathing
- Difficulty swallowing or speaking
- Double vision, blurred vision, or other sight problems
- Nausea or flu-like symptoms
- Itching, rash, or hives
Allergic reaction is also a possibility; most patients who have an allergic reaction will notice it after their first treatment. Make sure to let your provider know if you are on any medications, such as blood thinners, or if you’ve had any negative reactions to Botox or other dermal injections in the past.