4-FA

Psychoactive class

Stimulants / Entactogens

Chemical class

Amphetamine / Substituted amphetamines

Routes of administration

+

Oral

Tolerance

Full tolerance develops with prolonged and repeated use

Between uses, it's recommended to wait:

At least 3 - 7 days

Ideally 1 - 2 weeks

Addiction potential

Moderately addictive with a high potential for abuse

Effects
Related substances
Interactions

Auditory hallucination

Auditory enhancement

Auditory distortion

Pattern recognition enhancement

Colour enhancement

Empathy, affection and sociability enhancement

Focus enhancement

Motivation enhancement

Vibrating vision

Dehydration

Difficulty urinating

Temporary erectile dysfunction

Physical euphoria

Pupil dilation

Thought acceleration

Increased libido

Ego inflation

Novelty enhancement

Time distortion

Unity and interconnectedness

Cognitive euphoria

Depression

Anxiety

Irritability

Thought deceleration

Thought disorganization

Disinhibition

Tactile enhancement

Bodily control enhancement

Stimulation

Wakefulness

Temperature regulation suppression

Appetite suppression

Spontaneous bodily sensations

Increased heart rate

Increased blood pressure

Muscle contractions

Orgasm suppression

Increased perspiration

Anxiety suppression

Increased music appreciation

Immersion enhancement

Increased sense of humor

Brain zaps

Seizure

Confusion

Abnormal heartbeat

Stamina enhancement

Increased bodily temperature

Dry mouth

Teeth grinding

Compulsive redosing

Delirium

Cognitive fatigue

Motivation suppression

Suicidal ideation

Headache

Sleep paralysis

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