### Understanding and Managing the Side Effects of Erenumab (Aimovig) Erenumab (Aimovig) is a prescription medication used to prevent migraines. While it can reduce the number of headache days per month, it may also cause side effects. Here are some common and serious side effects, along with tips to manage them. #### Common Side Effects 1. **Injection-Site Reactions**: These occur where the needle enters the skin and may include redness, swelling, or pain. To manage these reactions: - Apply a cold pack to the injection site. - Use over-the-counter pain relievers if needed. - Rotate injection sites to avoid irritation. 2. **Constipation**: Erenumab can alter gut bacteria, making bowel movements difficult. To relieve constipation: - Drink plenty of water. - Eat high-fiber foods like fruits, vegetables, and whole grains. - Consider using over-the-counter laxatives if necessary. #### Serious Side Effects 1. **High Blood Pressure**: Erenumab can cause or worsen hypertension, especially in the first week of treatment. Monitor your blood pressure regularly. Symptoms of high blood pressure may include severe headaches, chest pain, or shortness of breath. Seek immediate medical attention if these occur. 2. **Muscle Cramps or Spasms**: These can last a few seconds to minutes. To manage muscle cramps: - Stretch and massage the affected muscles. - Stay hydrated and maintain a balanced diet rich in electrolytes. #### When to Call a Doctor - If you experience severe injection-site reactions like intense pain, swelling, or signs of infection. - If you have persistent constipation despite home remedies. - If you notice symptoms of high blood pressure or muscle cramps that do not improve. #### Not Suitable For - People who have recently had a heart attack or stroke should avoid using erenumab. By understanding these side effects and how to manage them, you can use erenumab more safely and effectively.