What Is LSD? Effects, Risks and How Acid Works
LSD is a potent Schedule I psychedelic that alters perception, mood and time. Learn how acid works, how…
Addiction
Evidence-based resources about substance use, addiction, medication safety, withdrawal, overdose and treatment.
LSD Withdrawal: Does LSD Cause Withdrawal?
LSD does not typically cause a classic physical withdrawal syndrome. Learn the difference between withdrawal, tolerance, a comedown,…
How Long Does LSD Stay in Your System? Blood, Urine and Testing
LSD has a plasma half-life of roughly 3 to 4 hours, while specialized testing can detect LSD metabolites…
LSD Effects and Side Effects: Short-Term and Long-Term Risks
LSD can cause major perceptual changes, insomnia, increased heart rate, panic and paranoia. Learn common effects, bad trips,…
Is LSD Addictive? Tolerance, Dependence and Hallucinogen Use Disorder
LSD has low physical-dependence and compulsive-use potential, but rapid tolerance and problematic hallucinogen use can occur. Learn when…
Can You Overdose on LSD? Toxicity, Bad Trips and Emergency Signs
Severe LSD intoxication can cause prolonged psychedelic effects, panic, paranoia and unsafe behavior, while death from LSD itself…
LSD and Alcohol: What Happens When Acid and Alcohol Are Mixed?
Alcohol does not reliably stop an LSD trip and may make judgment and impairment harder to recognize. Learn…
LSD vs Mushrooms: Effects, Duration and Key Differences
LSD and psilocybin mushrooms are both classic psychedelics, but LSD generally lasts longer. Compare their effects, pharmacokinetics, tolerance,…
What Does LSD Look Like? Acid Tabs, Blotter and Fake LSD
LSD can appear on blotter paper, in liquid, on sugar cubes or in small tablets, but appearance cannot…
How Long Does LSD Last? Trip Timeline and Aftereffects
LSD effects can last up to about 12 hours. Learn the usual onset, peak, trip duration, half-life, aftereffects…
LSD Bad Trip: Symptoms, Risks and What to Do
An LSD bad trip can involve intense panic, paranoia, confusion and unsafe behavior. Learn what a bad trip…
LSD Flashbacks and HPPD: Symptoms, Duration and Treatment
LSD flashbacks are brief recurrent perceptual experiences, while HPPD can cause persistent or recurrent visual disturbances that interfere…
What Is Cocaine? Effects, Risks, Addiction and Treatment
Cocaine is a powerful Schedule II stimulant with major cardiovascular, neurologic, psychiatric and addiction risks. Learn how cocaine…
Cocaine Withdrawal: Symptoms, Timeline and Treatment
Cocaine withdrawal often begins with a crash involving exhaustion, low mood, sleep changes and craving. Learn the typical…
How Long Does Cocaine Stay in Your System?
Cocaine has a short plasma half-life, but benzoylecgonine remains detectable longer. SAMHSA gives a typical urine window of…
Cocaine Side Effects: Short-Term and Long-Term Risks
Cocaine can cause anxiety, insomnia and rapid heart rate, while severe complications include arrhythmia, heart attack, stroke, seizure,…
Cocaine Addiction: Signs, Treatment and Recovery
Cocaine addiction, clinically called cocaine use disorder, can involve craving, repeated binges, loss of control and continued use…
Cocaine Overdose: Signs, Risks and What to Do
Cocaine overdose can cause heart attack, arrhythmia, stroke, seizure, hyperthermia and death. Learn warning signs, what emergency care…
Cocaine and Alcohol: Cocaethylene, Heart Risks and Overdose
Cocaine and alcohol form cocaethylene, an active metabolite associated with additional cardiovascular risk. Learn what cocaethylene is, why…
Cocaine and Fentanyl: Contamination, Overdose and Naloxone
Illicit fentanyl can be mixed into cocaine without the user's knowledge. Learn how mixed stimulant-opioid overdose can look,…
Crack vs Cocaine: Differences, Effects, Addiction and Risks
Crack and powder cocaine contain the same primary drug in different chemical forms. Learn how crack differs from…
What Color Is Pure Cocaine? Why Appearance Cannot Show Purity
DEA describes cocaine hydrochloride as a white crystalline powder, but color cannot prove purity. Learn why white, off-white…
Prescription Drugs
Prescription-drug identification, safety, misuse, interaction, dependence and withdrawal resources.
PLIVA 433 Pill: Trazodone 50 mg Identification, Uses and Risks
PLIVA 433 is trazodone hydrochloride 50 mg, a white round antidepressant tablet. Learn its FDA-approved use, why it…
2090 V Pill: Alprazolam 2 mg Identification and Risks
The white 2090 V pill is alprazolam 2 mg, a Schedule IV benzodiazepine. Learn how to identify it,…
GG249 Pill: Alprazolam 2 mg Identification and Risks
GG249 is a white rectangular alprazolam 2 mg tablet. Learn how to identify GG249, compare it with 2090…
IP 204 Pill: Oxycodone 10/325 Identification and Risks
IP 204 is oxycodone 10 mg and acetaminophen 325 mg. Learn IP 204 vs IP 110 and RP…
RP 10 325 Pill: Oxycodone Identification, Strength and Risks
RP 10 325 is a white round oxycodone 10 mg and acetaminophen 325 mg pill. Learn how it…
How Long Does Hydrocodone Stay in Your System?
Hydrocodone has an immediate-release half-life of about 3.8 hours, while SAMHSA lists a typical urine detection window of…
Hydrocodone Addiction: Signs, Dependence and Treatment
Hydrocodone can cause opioid use disorder. Learn the difference between dependence and addiction, warning signs, overdose risks and…
Hydrocodone Side Effects: Short-Term and Long-Term Risks
Hydrocodone can cause drowsiness, nausea, constipation and dizziness, while serious risks include respiratory depression, overdose, dependence and dangerous…
Hydrocodone Withdrawal: Symptoms, Timeline and Treatment
Hydrocodone withdrawal can begin within hours after stopping in a physically dependent person. Learn the typical timeline, symptoms,…
What Is Hydrocodone? Uses, Effects, Risks and Addiction
Hydrocodone is a Schedule II prescription opioid used for severe pain. Learn how it works, common combination pills,…
Hydrocodone Overdose: Signs, Naloxone and What to Do
Hydrocodone overdose can dangerously slow or stop breathing. Learn the warning signs, risk factors, how naloxone works, what…
Hydrocodone and Alcohol: Why Mixing Them Is Dangerous
Hydrocodone and alcohol both depress the central nervous system and can cause severe sedation, respiratory depression, coma or…
Hydrocodone and Xanax: Risks of Mixing Opioids and Benzodiazepines
Hydrocodone and Xanax can cause profound sedation and life-threatening respiratory depression when combined. Learn why the interaction is…
Hydrocodone vs Oxycodone: Strength, Effects and Key Differences
Hydrocodone and oxycodone are different Schedule II opioids with similar major risks. Compare potency frameworks, effects, metabolism, combination…
IP 110 Pill: Hydrocodone 10/325 Identification and Risks
IP 110 is hydrocodone 10 mg and acetaminophen 325 mg. Learn how it differs from M367 and IP…
M365 White Pill: Identification, Dosage and Risks
The M365 white pill contains hydrocodone 5 mg and acetaminophen 325 mg. Learn how to identify it and…
M366 White Pill: Hydrocodone 7.5/325 Identification and Risks
M366 is a white hydrocodone 7.5 mg and acetaminophen 325 mg pill. Learn how it differs from M365…
M367 White Pill: Hydrocodone 10/325 Identification and Risks
M367 is a white hydrocodone 10 mg and acetaminophen 325 mg pill. Learn M367 vs M366 and IP…
T257 White Pill: Identification, Hydrocodone Strength and Risks
The T257 white pill contains hydrocodone 5 mg and acetaminophen 325 mg. Learn how to identify T257, how…
Y21 Pill: Eszopiclone 1 mg Identification, Uses and Risks
LU Y21 is a light blue eszopiclone 1 mg tablet used for insomnia. Learn how to identify it,…
What Is Ambien? Zolpidem Uses, Effects, Risks and Dependence
Ambien is the brand name for zolpidem, a Schedule IV prescription Z-drug used for short-term insomnia treatment. Learn…
Ambien Withdrawal: Symptoms, Timeline and Safe Discontinuation
Ambien withdrawal can include rebound insomnia, anxiety, sweating, tremor and nausea, while severe sedative-hypnotic withdrawal can include seizures…
How Long Does Ambien Stay in Your System?
Zolpidem clears from blood relatively quickly, but specialized urine testing can detect metabolites longer. Learn what urine, blood,…
Ambien Side Effects: Memory Loss, Next-Day Impairment and Serious Risks
Ambien can cause drowsiness, dizziness, balance problems and memory impairment. Serious risks include complex sleep behaviors, next-day driving…
Ambien Addiction: Signs, Dependence, Withdrawal and Treatment
Ambien can cause physical dependence and can be misused or addictive. Learn how dependence differs from addiction, warning…
Ambien Overdose: Signs, Risks and Emergency Response
Ambien overdose can cause severe sedation, coma, respiratory or cardiovascular compromise and death, especially with other CNS depressants.…
Ambien and Alcohol: Why Mixing Zolpidem With Alcohol Is Dangerous
Ambien and alcohol both depress the central nervous system. Learn why the combination can worsen sedation, memory loss,…
Ambien and Xanax: Risks of Combining Zolpidem and Alprazolam
Ambien and Xanax are different Schedule IV sedatives that can produce additive CNS depression. Learn the risks of…
Ambien CR vs Ambien: Extended-Release vs Immediate-Release Zolpidem
Ambien and Ambien CR contain zolpidem but release it differently. Compare immediate-release and extended-release zolpidem, half-life, sleep-maintenance effects…
Ambien vs Lunesta: Zolpidem vs Eszopiclone for Insomnia
Ambien contains zolpidem and Lunesta contains eszopiclone. Both are Schedule IV Z-drugs with FDA boxed warnings, but they…
Ambien vs Trazodone for Sleep: Uses, Differences and Risks
Ambien is an FDA-approved Schedule IV insomnia drug. Trazodone is an antidepressant approved for major depressive disorder and…
Ambien Sleepwalking and Complex Sleep Behaviors: FDA Boxed Warning
FDA requires a boxed warning because Ambien can cause sleepwalking, sleep-driving and other activities while not fully awake,…
How Long Does Ambien Last? Half-Life, Effects and Next-Day Impairment
Immediate-release Ambien has an average half-life of about 2.5 to 2.6 hours, but sedation and driving impairment can…