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Rev Assoc Med Bras (1992). 2013 Nov-Dec;59(6):629-38. doi: 10.1016/j.ramb.2013.05.003. Epub 2013 Nov 7.

Rebound effect of modern drugs: serious adverse event unknown by health professionals.

[Article in English, Portuguese]

Author information

1
Disciplina Fundamentos da Homeopatia, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil. Electronic address: mzulian@usp.br.

Abstract

OBJECTIVE:

Supported in the Hippocratic aphorism primum non nocere, the bioethical principle of non-maleficence pray that the medical act cause the least damage or injury to the health of the patient, leaving it to the doctor to assess the risks of a particular therapy through knowledge of possible adverse events of drugs. Among these, the rebound effect represents a common side effect to numerous classes of modern drugs, may cause serious and fatal disorders in patients. This review aims to clarify the health professionals on clinical and epidemiological aspects of rebound phenomenon.

METHODS:

A qualitative, exploratory and bibliographic review was held in the PubMed database using the keywords 'rebound', 'withdrawal', 'paradoxical', 'acetylsalicylic acid', 'anti-inflammatory', 'bronchodilator', 'antidepressant', 'statin', 'proton pump inhibitor' and 'bisphosphonate'.

RESULTS:

The rebound effect occurs after discontinuation of numerous classes of drugs that act contrary to the disease disorders, exacerbating them at levels above those prior to treatment. Regardless of the disease, the drug and duration of treatment, the phenomenon manifests itself in a small proportion of susceptible individuals. However, it may cause serious and fatal adverse events should be considered a public health problem in view of the enormous consumption of drugs by population.

CONCLUSION:

Bringing together a growing and unquestionable body of evidence, the physician needs to have knowledge of the consequences of the rebound effect and how to minimize it, increasing safety in the management of modern drugs. On the other hand, this rebound can be used in a curative way, broadening the spectrum of the modern therapeutics.

KEYWORDS:

Adverse effects; Efeito rebote; Efeitos adversos; Efeitos fisiológicos de drogas; Farmacologia; Homeopathy; Homeopatia; Law of Similars; Lei dos semelhantes; Pharmacology; Physiological effects of drugs; Rebound effect

PMID:
24211013
DOI:
10.1016/j.ramb.2013.05.003
[Indexed for MEDLINE]
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