The authors present the in vivo investigation options drug allergy. In suspicion of induced hypersensitivity reaction prick testing, intradermal testing and patch are recommended according to assumed immuno-mechanism. If these examinations negative, next step is provocation test, which gold standard diagnosis We summarize methods, indications contraindications evaluationof each focusing on issu...

BACKGROUND The consequences of stress are typically regarded from a deficit-oriented approach, conceptualizing stress to be entirely negative in its outcomes. This approach is unbalanced, and may further hinder individuals from engaging in adaptive coping. In the current study, we explored whether negative views and beliefs regarding stress interacted with a stress framing manipulation (positiv...

T he human organism is bombarded with an incredible variety of stresses at any given time. Stress can be categorized in an equally dizzying number of ways. There are both chronic and acute stressors. There are somatic stressors that push the body away from homeostasis. There are psychogenic stressors that seem to be triggered at the slightest provocation. An elaborate system of hormones and neu...

BACKGROUND Assessing bronchial hyper-responsiveness (BHR) is a main diagnostic criterion of asthma. Provocation testing is not readily available in general practice, but peak expiratory flow (PEF) is. Several guidelines promote the use of PEF variability as a diagnostic tool for BHR. This study tested the agreement between histamine challenge testing and PEF variability, and the consequences fo...