Ana M. Gimenez-Arnau, MD, PhD, is a professor of dermatology at the Universitat Pompeu Fabra and Universitat Aut�noma de Barcelona. She is also a consultant physician in dermatology and venereology in the Department of Dermatology at the Hospital del Mar, Barcelona. Dr. Gimenez-Arnau was president of the 12th ESCD Congress in 2014. Her publications range from the 1995 article on chronic contact aquagenic urticaria to updated 2014 guidelines for the diagnosis and management of urticaria. Howard I. Maibach, MD, is a professor of dermatology at the University of California, San Francisco. Dr. Maibach's publications range from the groundbreaking 1975 article on contact urticaria syndrome to the more recent books Dermatotoxicology (2012) and Handbook of Cosmetic Science and Technology (2014).

• Contact Urticaria Syndrome: Definition, History, Etiology, and Relevance. Contact Urticaria Syndrome: Epidemiology and Occupational Relevance. Contact Urticaria Syndrome: How It Is Clinically Manifested and to Diagnose It. Mast Cell Biology and Its Role in the Immediate Skin Contact Reactions. The Oral Allergy Syndrome. Atopic Diathesis and Contact Urticaria Syndrome. Proteins as Trigger Factors of Immediate Skin Contact Reactions. Chemical Compounds as Trigger Factors of Immediate Contact Skin Reactions. Nonimmunological Contact Urticaria. Immunologic Contact Urticaria. Immunoglobulin E: Pathogenic Relevance in Urticaria and Eczema. Contact Urticaria Syndrome: Diagnostic Tools and Test Procedures. Molecular Diagnosis in Contact Urticaria Caused by Proteins. Skin Tests and Specific IgE Determinations in the Diagnosis of Contact Urticaria and Respiratory Disease Caused by Low-Molecular-Weight Chemicals. Agricultural Chemicals. Animals and Animal Products as Causes of Contact Urticaria and Protein Contact Dermatitis. Contact Urticaria and Eczema from Dental Products. Contact Urticaria Syndrome Induced by Drugs. Contact Urticaria, Dermatitis, and Respiratory Allergy Caused by Enzymes. Contact Urticaria Syndrome from Epoxy Resin. Contact Urticaria Syndrome from Foods and Food Derivatives. Cosmetic Components Causing Contact Urticaria Syndrome: An Update. Contact Urticaria Syndrome from Reactive Dyes in Textiles. Hairdressing Products: Contact Urticaria Syndrome. Metals as a Cause of Contact Urticaria Syndrome. Skin Allergy Caused by Organic Acid Anhydrides. Immediate Skin Contact Reactions from Plants. Contact Urticaria to Preservatives and Disinfectants. Seminal Plasma Hypersensitivity and Immediate Contact Skin Reactions to Bodily Fluids.

Ana M. Gimenez-Arnau, MD, PhD, is a professor of dermatology at the Universitat Pompeu Fabra and Universitat Aut�noma de Barcelona. She is also a consultant physician in dermatology and venereology in the Department of Dermatology at the Hospital del Mar, Barcelona. Dr. Gimenez-Arnau was president of the 12th ESCD Congress in 2014. Her publications range from the 1995 article on chronic contact aquagenic urticaria to updated 2014 guidelines for the diagnosis and management of urticaria. Howard I. Maibach, MD, is a professor of dermatology at the University of California, San Francisco. Dr. Maibach's publications range from the groundbreaking 1975 article on contact urticaria syndrome to the more recent books Dermatotoxicology (2012) and Handbook of Cosmetic Science and Technology (2014).

• Contact Urticaria Syndrome: Definition, History, Etiology, and Relevance. Contact Urticaria Syndrome: Epidemiology and Occupational Relevance. Contact Urticaria Syndrome: How It Is Clinically Manifested and to Diagnose It. Mast Cell Biology and Its Role in the Immediate Skin Contact Reactions. The Oral Allergy Syndrome. Atopic Diathesis and Contact Urticaria Syndrome. Proteins as Trigger Factors of Immediate Skin Contact Reactions. Chemical Compounds as Trigger Factors of Immediate Contact Skin Reactions. Nonimmunological Contact Urticaria. Immunologic Contact Urticaria. Immunoglobulin E: Pathogenic Relevance in Urticaria and Eczema. Contact Urticaria Syndrome: Diagnostic Tools and Test Procedures. Molecular Diagnosis in Contact Urticaria Caused by Proteins. Skin Tests and Specific IgE Determinations in the Diagnosis of Contact Urticaria and Respiratory Disease Caused by Low-Molecular-Weight Chemicals. Agricultural Chemicals. Animals and Animal Products as Causes of Contact Urticaria and Protein Contact Dermatitis. Contact Urticaria and Eczema from Dental Products. Contact Urticaria Syndrome Induced by Drugs. Contact Urticaria, Dermatitis, and Respiratory Allergy Caused by Enzymes. Contact Urticaria Syndrome from Epoxy Resin. Contact Urticaria Syndrome from Foods and Food Derivatives. Cosmetic Components Causing Contact Urticaria Syndrome: An Update. Contact Urticaria Syndrome from Reactive Dyes in Textiles. Hairdressing Products: Contact Urticaria Syndrome. Metals as a Cause of Contact Urticaria Syndrome. Skin Allergy Caused by Organic Acid Anhydrides. Immediate Skin Contact Reactions from Plants. Contact Urticaria to Preservatives and Disinfectants. Seminal Plasma Hypersensitivity and Immediate Contact Skin Reactions to Bodily Fluids.

Ana M. Gimenez-Arnau, MD, PhD, is a professor of dermatology at the Universitat Pompeu Fabra and Universitat Aut�noma de Barcelona. She is also a consultant physician in dermatology and venereology in the Department of Dermatology at the Hospital del Mar, Barcelona. Dr. Gimenez-Arnau was president of the 12th ESCD Congress in 2014. Her publications range from the 1995 article on chronic contact aquagenic urticaria to updated 2014 guidelines for the diagnosis and management of urticaria. Howard I. Maibach, MD, is a professor of dermatology at the University of California, San Francisco. Dr. Maibach's publications range from the groundbreaking 1975 article on contact urticaria syndrome to the more recent books Dermatotoxicology (2012) and Handbook of Cosmetic Science and Technology (2014).

• Contact Urticaria Syndrome: Definition, History, Etiology, and Relevance. Contact Urticaria Syndrome: Epidemiology and Occupational Relevance. Contact Urticaria Syndrome: How It Is Clinically Manifested and to Diagnose It. Mast Cell Biology and Its Role in the Immediate Skin Contact Reactions. The Oral Allergy Syndrome. Atopic Diathesis and Contact Urticaria Syndrome. Proteins as Trigger Factors of Immediate Skin Contact Reactions. Chemical Compounds as Trigger Factors of Immediate Contact Skin Reactions. Nonimmunological Contact Urticaria. Immunologic Contact Urticaria. Immunoglobulin E: Pathogenic Relevance in Urticaria and Eczema. Contact Urticaria Syndrome: Diagnostic Tools and Test Procedures. Molecular Diagnosis in Contact Urticaria Caused by Proteins. Skin Tests and Specific IgE Determinations in the Diagnosis of Contact Urticaria and Respiratory Disease Caused by Low-Molecular-Weight Chemicals. Agricultural Chemicals. Animals and Animal Products as Causes of Contact Urticaria and Protein Contact Dermatitis. Contact Urticaria and Eczema from Dental Products. Contact Urticaria Syndrome Induced by Drugs. Contact Urticaria, Dermatitis, and Respiratory Allergy Caused by Enzymes. Contact Urticaria Syndrome from Epoxy Resin. Contact Urticaria Syndrome from Foods and Food Derivatives. Cosmetic Components Causing Contact Urticaria Syndrome: An Update. Contact Urticaria Syndrome from Reactive Dyes in Textiles. Hairdressing Products: Contact Urticaria Syndrome. Metals as a Cause of Contact Urticaria Syndrome. Skin Allergy Caused by Organic Acid Anhydrides. Immediate Skin Contact Reactions from Plants. Contact Urticaria to Preservatives and Disinfectants. Seminal Plasma Hypersensitivity and Immediate Contact Skin Reactions to Bodily Fluids.