Sinus infections usually begin with the symptoms of a cold (for example, a runny nose, occasional cough and/or mild fever), and then develop into pain and pressure in the sinus cavities. About 7 to 10 days after initial cold-like symptoms other symptoms develop that suggest you may have a sinus infection.
The Ruins of Sescheron. The Ruins of Sescheron are available in the Adventure Mode of Diablo III. Specifically in Act III, near the Arreat Crater. They were released as part of patch 2.3. The area is designed to have a melancholy feel to it, with elements such as funerary art and pyres.
Solstheim is an island located northeast of Skyrim and northwest of Vvardenfell. It is the setting for the The Elder Scrolls V: Skyrim add-on Dragonborn. At the time the Dragonborn visits Solstheim in 4E 201, there is no longer an Imperial presence on the island. Fort Frostmoth is nothing but ruins, and Raven Rock now belongs to House Redoran of Morrowind.