Anosmia

Homeopathic treatment works! (But not in a good way.) - July 19, 2010 (Nature Blog)
* "Terence Davidson and Wendy Smith, of the University of California, San Diego, looked at a set of nine criteria* for establishing a causal relationship and concluded that zinc nasal therapy can cause smell loss (anosmia). Their paper also details 25 patients who turned up at their Nasal Dysfunction Clinic complaining of smell loss after use of homeopathic zinc gel – which, unusually for a homeopathic treatment, does have an active ingredient."

Zinc Gluconate

Homeopathic treatment works! (But not in a good way.) - July 19, 2010 (Nature Blog)
* "Concerns that popular ‘homeopathic’ cold remedy zinc gluconate can cause a loss of smell have been around for a while. Now an analysis by two San Diego researchers shows these concerns may be well founded."

Homeopathic Treatment

Homeopathic treatment works! (But not in a good way.) - July 19, 2010 (Nature Blog)
* "Concerns that popular ‘homeopathic’ cold remedy zinc gluconate can cause a loss of smell have been around for a while. Now an analysis by two San Diego researchers shows these concerns may be well founded."