|Cure Common Disease|
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Cure Common Disease
Removes the effects of Common Diseases from the target. This effect is generally a good idea to have available wherever you go, as diseased creatures are everywhere, and some diseases are somewhat debilitating. This is less of an issue if you are one of the races that has natural disease resistance (Altmer, Argonian, Bosmer, or Redguard), but even for them it is still wise to have access to this in case of emergency.
Of particular note is the Porphyric Hemophilia disease, which will turn into vampirism if not cured within 3 days of contracting it. If you do not wish to become a vampire, you will need to cure yourself before this happens. The Bloodmoon expansion's werewolf disease, Sanies Lupinus, works similarly.
Cure Common Disease should also be used after combat with diseased creatures for any long-term follower NPCs, like Fjorgeir or the Tribunal expansion's Calvus Horatius. NPCs can catch diseases and have their stats silently but negatively affected. This must be done by spell or item, as such NPCs will not take curative potions (even Calvus, with whom you can do inventory sharing). Short-term followers need not be cured (it won't affect their quests or disposition), but you may wish to do so for roleplay reasons.
The following alchemy ingredients can be used to make a potion of Cure Common Disease: