Hallucinogen persisting perception disorder (HPPD) is a rare psychiatric diagnosis encompassing a range of perceptual disturbances caused by the lingering effects of hallucinogens. There are two major subtypes of the disorder: HPPD I and II. HPPD II is considered a more severe form that is generally longer-term, distressing, and requiring more intense treatment. In the limited available...
Background: Individuals with schizophrenia appear to experience differences in dreaming compared to control populations-the small amounts of research that does exist demonstrates abnormalities such as simpler dreams that are more bizarre and with greater negative content than those of controls. Dream-related psychopathology remains insufficiently described however-particularly experiences in...
3,4‐Methylenedioxymethamphetamine (MDMA)‐assisted psychotherapy (MDMA‐AP) has shown promise in treating post‐traumatic stress disorder (PTSD), particularly in treatment‐resistant cases. However, little is known about its potential to precipitate adverse psychiatric outcomes. We present the case of a 31‐year‐old woman with nondistressing childhood compulsions, chronic PTSD, and complex medical...
Introduction: Obsessive-compulsive disorder (OCD) is a chronic psychiatric condition that frequently presents with comorbid depressive disorders. For patients exhibiting treatment-refractory OCD and concurrent depressive disorder(s), there is growing clinical interest in the noncompetitive N-methyl-D-aspartate (NMDA) receptor antagonist ketamine as a rapid-acting intervention. This case report...
Possession state is a disorder of consciousness with substitution of the personality, which is claimed to be a spirit, a deity, a dead person or some other power. In rural Nepal these experiences are normalised and Hindu communities often attribute psychological conditions to a supernatural cause. We report the case of a 30-year-old woman who presented with acute-onset symptoms characterised by...
Case Reports in Psychiatry2024Richard C. J. Bradlow, Sophie Wright, Anamaria Szrajbman Vaz da Silva et al.3 citations
Introduction: There has been a recent significant increase in medical cannabis prescribing in Australia despite weak evidence for its effectiveness in treating the most common indications. Concern has been raised about the potential harms of inappropriate prescription of cannabis; however, there have been no prior published cases of psychosis secondary to medicinal cannabis in Australia. Case...
This case report examines the unexpected increase in suicidal ideation following ketamine infusion therapy in a 75-year-old female with a history of treatment-resistant depression. Despite ketamine's established efficacy in treating depression and acute suicidality, this patient's condition deteriorated posttreatment. The report delves into the patient's complex background, including...
Alcohol use disorder (AUD) is especially prevalent among individuals with major depressive disorder (MDD) and is associated with higher morbidity, mortality, disability, and risk for suicide. Intranasal esketamine has been documented to be a safe and effective option for treatment resistant MDD and received US FDA approval in 2019. However, the availability of esketamine is limited due to...
Background. Clinical trials have demonstrated that subanesthetic intravenous ketamine exerts antidepressant effects lasting a week or longer postinfusion, as well as antisuicidal effects starting approximately 4 hours postinfusion and lasting 72 hours or longer. These findings have generated considerable enthusiasm within psychiatry. However, reports of treatment-emergent suicide attempts and...
Introduction: While clonidine is used clinically for the treatment of nightmares in posttraumatic stress disorder (PTSD), few case reports demonstrating this indication exist, and there have been few studies investigating clonidine's mechanism of action for controlling nightmare symptoms. Case Report. In order to further characterize clonidine's role in treating nightmare symptoms in PTSD, we...
Meditation is regarded as a self-regulation approach to manage emotions. Meditation has a beneficial effect on mental health. Different kinds of meditation are practiced in many religions and cultures for the general wellbeing of an individual. However, meditation-related experiences and negative effects of meditation are not uncommon. Meditation-induced psychosis has been reported in the past....
Introduction. The case after exposure to intense traumatic events manifests signs and symptoms of dissociative amnesia with a dissociative fugue and schizophrenia. The psychotic symptoms we found, in this case, were very complicated and mimicking primary psychotic disorders. Therefore, this might be a good forum for the scientific world to learn from this case report, how psychotic disorders...
Autoscopic phenomenon, a psychic illusionary duplication of one's own self, has been the subject of interest in the literature and science for years. It has been reported in various diseases of the central nervous system but with an unknown mechanism. Hallucinations are a common presentation in alcohol dependence syndrome during delirium tremens and as induced disorder. However, autoscopic...
Methoxetamine (MXE) is a ketamine analogue with a high affinity for the N-methyl-D-aspartate (NMDA) receptor. MXE is a newly emerging designer drug of abuse and is widely available through on-line sources and is not detected by routine urine drug screens. In this report, we describe a United States (US) veteran with posttraumatic stress disorder (PTSD) and heavy polysubstance use, who injected...
This case report describes the progression of symptoms in a young deaf female. Her initial psychotic symptoms occur at the age of 16, but she did not come into contact with a psychiatric treatment facility before the age of 27, where she felt symptoms were distressing. The case report describes the difficulties in evaluating psychotic symptoms in a deaf patient, as well as the use of...