10. Paraffin embolism.
11. Primary diffusion or extension of paraffin (when first introduced) into adjacent normal structures.
12. Interference with muscular action of the nose.
13. Escape of paraffin after the withdrawal of the needle or primary elimination.
14. Solidification of the paraffin in the needle, which renders the injection difficult and causes injudicious expedition on the part of the operator.
15. Absorption or disintegration of the paraffin.
16. The difficulty of procuring paraffin at the proper melting point.
17. Hypersensitiveness of the skin over the injected area.
18. Redness of the skin over the injected area.