AbstractMigrants have to deal with a number of stressors, among them tenacious job search and the constitution of a new social network. Prolonged unemployment and lack of social support can result in impaired health. A sample of 235 East Germans was investigated at three times during two years following their transition to West Berlin in 1989, after the breakdown of the communist system. The majority found a job during this time and succeeded to adapt psychosocially. Those, however, who remained unemployed were worse off in terms of self‐reported health. This stress—health relationship was moderated, however, by social support. Within the group of migrants who suffered from long‐term joblessness, social support exerted a longitudinal buffer effect. At Wave 3, frequent physical symptoms were reported only by migrants who neither held a job nor received support. In a longitudinal causal model, the employment status affected mainly health complaints, but also social support. The relationship between health and support was found to be reciprocal over