Yes, you should keep taking TAKHZYRO as prescribed. Over time, you may notice a decrease in the severity of your HAE attacks. You might even find that your HAE attacks happen less often or you are using your on-demand treatment less. These are signs that TAKHZYRO is working. But at any time, HAE attacks could start to happen more regularly, and in places that are more life-threatening (like the mouth and throat). That’s why it’s so important to keep taking TAKHZYRO as prescribed to help prevent attacks. You should keep on-demand treatment on hand (and periodically check to make sure it hasn't expired) so you're prepared to treat if an attack occurs. TAKHZYRO is not an on-demand treatment.