In this series:Steroid injectionsOral steroidsTopical steroidsFingertip units for topical steroidsSteroid nasal sprays Reversing enlargement of blood vessels in the area they are applied to. They cause a narrowing of the blood vessels. The dose of steroid may need to be increased for a short time if ill with specific conditions, https://wikimapia.org/external_link?url=https://tr.wikipedia.org/wiki/Vitamin