Filariasis caused by Loa loa is also a cause of angioedema.

@article{FrancoParedes2008FilariasisCB,
  title={Filariasis caused by Loa loa is also a cause of angioedema.},
  author={Carlos Franco-Paredes},
  journal={The American journal of medicine},
  year={2008},
  volume={121 10},
  pages={e29}
}