Related Experiment Video
Updated: Feb 5, 2026
08:10
Environmentally Induced Heritable Changes in Flax
Published on: January 26, 2011
10.6K
Priapism induced by various psychotropics: A case series
Timo Greiner1, Michael Schneider1, Johannes Regente1,2
1University Clinic for Psychiatry and Psychotherapy, Brandenburg Medical School , Rüdersdorf , Germany.
Summary
Priapism, a prolonged erection, is a rare side effect of psychotropic medications. This study highlights drug initiation, dosage changes, and SSRI interactions as key risk factors for developing this condition.
Area of Science:
- Psychiatry
- Pharmacology
- Urology
Background:
- Priapism is a known, albeit rare, adverse effect associated with various psychotropic medications.
- Both typical and atypical antipsychotics, along with trazodone, have been implicated in causing priapism.
- The exact mechanism remains unclear, but is hypothesized to involve the alpha-adrenergic blocking effects of these drugs.
Purpose of the Study:
- To investigate the association between psychotropic drug use and priapism.
- To identify potential risk factors and patterns related to psychotropic-induced priapism.
Main Methods:
- Analysis of 19 cases of priapism from the AMSP database.
- Review of existing case reports to identify similarities and risk factors.
Main Results:
- Common patterns included immediate priapism onset after initiating a specific psychotropic drug.
- Changes in drug plasma concentration, due to dosage adjustments or co-medication with certain SSRIs, were also associated with priapism.
- Priapism can occur across a wide range of ages and dosages.
Conclusions:
- Clinicians should maintain a high index of suspicion for priapism in patients using psychotropic medications.
- Early recognition and reporting of symptoms like prolonged erections are crucial for timely intervention.
Related Concept Videos
01:10Resistors In Series
6.6K
A resistor is an ohmic device that limits the flow of charge in a circuit. Most circuits have more than one resistor. If several resistors are connected together and connected to a battery, the current supplied by the battery depends on the equivalent resistance of the circuit. The equivalent resistance of a combination of resistors depends on both their individual values and how they are connected. The simplest combination of resistors is the series combination.
In a series circuit, the...
In a series circuit, the...
6.6K
01:17Series Resonance
837
The RLC circuit impedance is defined as the ratio of the supply voltage to the circuit current. Resonance in such a circuit occurs when the imaginary part of this impedance equals zero. This specific condition means that the inductive reactance is exactly equal to the capacitive reactance. The frequency at which this happens is known as the resonant frequency. Mathematically, the resonant frequency is inversely proportional to the square root of the product of the inductance (L) and capacitance...
837
01:14Series and Parallel Capacitors
9.6K
Capacitors, fundamental components in electronic circuits, can be connected in series and/or parallel configurations. Each configuration has different impacts on the overall behavior of the circuit.
First, consider capacitors connected in series to a battery. In this configuration, the plate connected to the battery's positive terminal develops a positive charge, while the plate attached to the negative terminal becomes negatively charged. An equal magnitude of charge is induced on the...
First, consider capacitors connected in series to a battery. In this configuration, the plate connected to the battery's positive terminal develops a positive charge, while the plate attached to the negative terminal becomes negatively charged. An equal magnitude of charge is induced on the...
9.6K
01:17Trigonometric Fourier series
808
Fourier series is a foundational mathematical technique that decomposes periodic functions into an infinite series of sinusoidal harmonics. This method enables the representation of complex periodic signals as sums of simple sine and cosine functions, facilitating their analysis and interpretation in various fields, including signal processing, acoustics, and electrical engineering.
The trigonometric Fourier series specifically expresses a periodic function with a defined period T using sine...
The trigonometric Fourier series specifically expresses a periodic function with a defined period T using sine...
808
01:21Convergence of Fourier Series
406
The Fourier series is a powerful mathematical tool for representing periodic signals as an infinite sum of complex exponentials. In practice, this infinite series is truncated to a finite number of terms, yielding a partial sum. This truncation makes the approximation of the signal feasible but introduces certain challenges, particularly near discontinuities, known as the Gibbs phenomenon.
The Gibbs phenomenon refers to the persistent oscillations and overshoots that occur near discontinuities...
The Gibbs phenomenon refers to the persistent oscillations and overshoots that occur near discontinuities...
406
01:22Series R—L Circuit Transients
405
In a series resistor-inductor (R-L) circuit, closing the switch at the start of the time period simulates a three-phase short circuit, a fault condition where all three phases of an unloaded synchronous machine are short-circuited. When there is no fault impedance and no initial current, the initial voltage is determined by the phase angle of the source voltage.
Using Kirchhoff's Voltage Law (KVL) to analyze this circuit helps determine the total asymmetrical fault current, which consists...
Using Kirchhoff's Voltage Law (KVL) to analyze this circuit helps determine the total asymmetrical fault current, which consists...
405