Proponents say they save lives and help millions of people. Critics say the science is questionable. What's unquestionable is that the use of antidepressants is surging around the world. In some countries, prescriptions have more than doubled in a decade. Around one in 10 European adults are estimated to take the pills. In the UK, The Health and Social Care Information Centrefound that more than 50 million prescriptions for antidepressants were issued in England alone last year, the highest ever number and a 7.5% rise on the year before.

The Guardian and its partners in Europe – Le Monde, El País, La Stampa, Gazeta Wyborcza and Süddeutsche Zeitung – want to hear from patients and doctors around the world about their experiences of taking and prescribing antidepressants. Responses to the form below will feed into a special report by our six newspapers planned for later this year.

To take part fill in the form anonymously below. Please only take part in the survey if you are over 16.

For further information about depression, or talk to someone about it, please visit Mind's website http://www.mind.org.uk, or Mindfull for 11-17 year olds.