H1N1 illness related secondary hypothyroidism : A rare case report and a brief review of literature

Viral infections have been frequently associated with thyroid diseases. In the present case report we document a rare case of H1N1 influenza infection related secondary hypothyroidism.  A 32-year-old female, known case of hypothyroidism since 3 years & since 2 months developed an influenza-like syndrome.  Polymerase chain reaction assay confirmed the diagnosis of H1N1 virus infection. Serum thyroid stimulating hormone was suppressed to zero while the levels of thyroxine (T4) and triiodothyronine (T3) were also decreased, below normal. She was treated & improved with oseltamivir and supportive treatment, including antibiotics and steroids.