There are no known side effects with long-term or short-term use of smelling salts. However, a person should avoid overusing smelling salts or holding the smelling salt too close to the nose. Concentrated exposure can damage the nasal membranes.
There are no known risks to using smelling salts as directed and in small doses. However, people with any existing conditions should speak to a doctor before using smelling salts to ensure it is safe to do so.
photo: SB Nation