Lofexidine is a member of imidazoles, a dichlorobenzene, an aromatic ether and a carboxamidine. It has a role as an alpha-adrenergic agonist and an antihypertensive agent.

Lofexidine is a non-opioid centrally acting alpha2-adrenergic receptor agonist that was first approved for the treatment of opioid withdrawal in the United Kingdom in 1992. It was first studied for use as an antihypertensive in 1980, but its researched was stopped as it was found less effective for the treatment of hypertension than clonidine. Lofexidine was then repurposed for the treatment of opioid withdrawal, as it was seen to be more economical and have fewer side effects than clonidine. Lofexidine was developed by US Woldmeds LLC and it was approved by the FDA on May 16, 2018.

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