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Severe Acne Linked To Increases Suicide Risk

November 12, 2010

Association of suicide attempts with acne and treatment with isotretinoin: Retrospective Swedish cohort study

Individuals who suffer from severe acne are at an increased risk of attempting suicide, according to a paper published on bmj.com today.

The study also finds that an additional risk may be present during and up to one year after treatment with isotretinoin, a commonly prescribed drug for severe acne. However, the authors stress that this additional risk is most likely due to the acne itself, rather than the drug treatment.

Isotretinoin (commonly marketed as Roaccutane, Accutane, Amnesteem, Claravis, Clarus or Decutan) has been used to treat severe acne since the 1980s. The treatment can be effective but there have been reports linking isotretinoin to depression and suicidal behavior. However studies have had conflicting results, say the authors.

With the hypothesis that acne sufferers are at a higher risk of suicide, regardless of whether they are on isotretinoin, Dr Anders Sundstrom and colleagues from the Karolinska Institute in Sweden, investigated suicide attempts before, during and after isotretinoin treatment for severe acne.

The authors assessed the data of individuals who had been prescribed isotretinoin from 1980 to 1989 and linked these to hospital discharge and cause of death registers from 1980 to 2001.

The data of 5,756 individuals were reviewed and 3,613 (63%) of them were male. The average age of men when they were first prescribed isotretinoin was 22 years and women were 27.

The results show that 128 patients were admitted to hospital following a suicide attempt. The authors also found that between one and three years before starting isotretinoin treatment the number of suicide attempts increased. However the risks were highest within six months after treatment ended.

Sundstrom and colleagues speculate that the increased risk after starting isotretinoin might be because patients whose acne and physical appearance improved following treatment were distraught if there was no improvement in their social life.

They believe it is impossible to say for certain that the continued rise in suicide risk “is due to the natural course of severe acne, or to negative effects of the treatment.” They acknowledge that the increased risk could be “as a consequence of exposure to the drug” but believes “a more probable interpretation is that the underlying severe acne may best explain the raised risk.”

The authors also stress that attempted suicide is an uncommon event ““ one first suicide attempt would equate to 2,300 individuals being on isotretinoin ““ and this assumes that the entire increase in risk was due to the drug, they say.

They conclude that “the most important proactive measure to be taken would be to closely monitor all patients’ psychiatric status, not only during treatment, but also for at least a year after treatment with isotretinoin.” In addition they say it is not only important to monitor the mental health status of patients receiving isotretinoin but also sufferers of severe acne who are not on treatment.

In an accompanying editorial, two senior researchers in Australia say that “it is difficult to tease out the relation between mental health and isotretinoin because acne itself is associated with psychiatric morbidity, including depression.”

Parker Magin and John Sullivan say Sundstrom’s research is important given the complexity of the issue and that it is essential that patients who are treated for acne with isotretinoin, especially perhaps those whose treatment is unsuccessful, need to be carefully monitored for depression and suicidal thoughts.

Image Caption: Acne of a 14-year-old male during puberty. Credit: Wikipedia 

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