Sensory axonal polyneuropathy due to 2,4-dinitrophenol

Area of Science:

• Toxicology
• Neurology
• Hepatology

Background:

• Self-medication with unregulated substances poses significant health risks.
• 2,4-dinitrophenol (DNP) is an industrial chemical misused for weight loss, with limited documented human safety data.
• Peripheral neuropathy and hepatotoxicity are potential adverse effects of toxic chemical exposure.

Observation:

• A young adult presented with subacute onset of sensory disturbances in limbs and mild liver dysfunction.
• Medical history revealed consistent use of self-imported 2,4-dinitrophenol (DNP) for weight reduction.
• Neurological examination indicated sensory neuropathy, while blood tests showed mild hepatic dysfunction.

Findings:

• Nerve conduction studies confirmed sensory neuropathy.
• Discontinuation of 2,4-dinitrophenol (DNP) led to complete resolution of neurological symptoms and liver dysfunction within six months.
• The patient was diagnosed with drug-induced peripheral neuropathy and hepatopathy attributed to DNP exposure.

Implications:

• This case underscores the critical importance of thorough drug history taking in clinical practice.
• Healthcare providers must educate patients on the severe dangers associated with self-imported and unregulated medications like DNP.
• Raising awareness about the neurotoxic and hepatotoxic potential of 2,4-dinitrophenol (DNP) is crucial for public health and safety.