Interferons beta have vasoconstrictive and procoagulant effects: A woman who developed livedo reticularis and Raynaud phenomenon in association with interferon beta treatment for multiple sclerosis. Rot U, Ledinek A H Clin Neurol Neurosurg. 2013 Dec; 115 Suppl 1:S79-81. PMID: 24321162. Abstract CommentRecommendBookmarkWatch