how long do the effects of lsd last

how long do the effects of lsd last

The effects of LSD can last for up to 12 hours[1][6]. The length of the effects of LSD can vary depending on several factors, including the dosage, the individual, and the quality of the drug[6]. The effects of LSD typically begin within 20 to 90 minutes of ingestion[1][6]. During an acid trip, the user may experience altered perception, thoughts, and feelings, and may see brighter colors, changing shapes, trails behind objects, unusual patterns, and “noisy” colors[1][6]. LSD can also amplify mood, causing the user to feel more relaxed, happy, or content, or unusually excited and joyful[1][6]. The effects of LSD are unpredictable, and the user has no control over how long they last[6]. The user may also experience rapid mood changes, altered sense of self, hallucinations, synesthesia, increased blood pressure, fast heart rate, increase in body temperature, sweating, numbness and weakness, and tremors[2][3]. LSD is considered a safe and nontoxic drug when taken at standard doses, and LSD toxicity or death from LSD is rare[1][2]. However, a “bad trip” or a distressing psychedelic episode is more likely to occur than physical harm[1][2].

how long do the effects of lsd last

The duration of the effects of LSD (lysergic acid diethylamide) can vary depending on several factors, including the individual’s dose, metabolism, and sensitivity to the drug. On average, the effects of LSD can last for about 8 to 12 hours, but the experience can be broken down into several distinct phases:

  1. Onset: The effects of LSD usually begin within 30 minutes to 2 hours after taking the drug. During this period, users may start to feel changes in their perception and mood.
  2. Peak: The most intense and profound effects of LSD typically occur about 2 to 4 hours after ingestion. This is when users often experience vivid hallucinations, alterations in perception, and intense emotional and sensory experiences.
  3. Plateau: After the peak, the effects usually stabilize and continue for several more hours, during which users might still experience altered perceptions and mood, but the intensity may gradually decrease.
  4. Offset: The effects of LSD slowly taper off, and users start to return to their normal state of consciousness. This phase can last for several hours, and residual effects may linger.
  5. Afterglow: Some users report an “afterglow” or residual positive mood and insights in the day or days following an LSD experience.

It’s important to note that the duration and intensity of LSD effects can vary among individuals, and factors like the dose, purity of the substance, and the user’s psychological state can influence the experience. Additionally, LSD is a powerful hallucinogen, and its effects can be unpredictable and vary from one trip to another.

Due to the long duration of its effects, it’s crucial for individuals who use LSD to do so in a safe, controlled environment with trusted individuals and to be prepared for the potential psychological and emotional challenges that may arise during the experience. LSD is also illegal in many jurisdictions, so it’s essential to be aware of the legal implications of its use.


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