Hi,
In the United States I am sure the best approach you can have to Homeopathic treatment is through Dr Paul Herscu. I know him personally and I know he is a very good homeopath, so don't hesitate, take you friend there and certainly Dr Herscu will find the right similimum for him.
Best Wishes

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Dinis S Luis (DHom)<br />Classical Homeopathy<br />Diplomaed by "The School of Homeopathy", Devon, U.K.