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Caffeine intoxication Other substances CHAPTER 12 ■ ■The potential effects of caffeine on the metabolism of other drugs, as well as the potential to induce a caffeine withdrawal syndrome, should always be considered before substituting caffeine-­free drinks. C...

Energy drinks

Effects of caffeine on different disorders 904 The Maudsley® Prescribing Guidelines in Psychiatry CHAPTER 12 Energy drinks So-­called energy drinks contain large amounts of caffeine along with sugar, vitamins and a number of other ingredients such as guarana a...

Summary Other substances CHAPTER 12 Mood disorders ■ ■Caffeine may elevate mood through increasing noradrenaline release34 and modest caffeine consumption may protect against depression in those who do not have a pre-­ existing mood disorder.35 ■ ■People with ...

References 906 The Maudsley® Prescribing Guidelines in Psychiatry CHAPTER 12 References Rihs M, et al. Caffeine consumption in hospitalized psychiatric patients. Eur Arch Psychiatry Clin Neurosci 1996; 246:83–92. Clementz GL, et al. Psychotropic effects of ca...

Nicotine

Psychotropic effects

Effects of nicotine on different disorders 908 The Maudsley® Prescribing Guidelines in Psychiatry CHAPTER 12 Nicotine Nicotine is consumed by vaping or tobacco smoking and causes peripheral vasoconstriction, tachycardia and increased blood pressure.1 People wi...

Drug interactions

Smoking cessation and withdrawal symptoms

References 910 The Maudsley® Prescribing Guidelines in Psychiatry CHAPTER 12 Movement disorders and Parkinson’s disease By increasing dopaminergic neurotransmission, nicotine is thought to provide a protective effect against both drug-­induced EPSEs and idiopa...

Psychotropics in overdose The Maudsley® Prescribing Guidelines in Psychiatry, Fifteenth Edition. David M. Taylor, Thomas R. E. Barnes and Allan H. Young. © 2025 David M. Taylor. Published 2025 by John Wiley & Sons Ltd. Chapter 13 Psychotropics in overdose Suic...

References 918 The Maudsley® Prescribing Guidelines in Psychiatry CHAPTER 13 References   1. Howland RH. Critical appraisal and update on the clinical utility of agomelatine, a melatonergic agonist, for the treatment of major depressive disease in adults. Neur...

Driving and psychotropic medicines

Effects of mental illness

Psychiatric medicines, driving and UK law Psychotropic drugs in special conditions CHAPTER 13 Driving and psychotropic medicines Everyone has a legal duty to drive safely and in almost all countries drivers are legally responsible for accidents they cause, whe...

Other medicines

UK DVLA Psychotropic drugs in special conditions CHAPTER 13 In regards to methadone, doses of up to 80mg a day generally give plasma levels below the UK legal limit.61 The legal limits listed here apply only to those who are lawfully prescribed the drug in que...