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THC side effects

Across 434 first-hand reports, people mentioned a side effect 75 times (about 17 per 100 reports). The most common: anxiety, brain fog, vivid dreams. User reports show what people notice — they can't tell you whether THC is safe for you.

Reported side effects

anxiety23
brain fog13
vivid dreams11
paranoia11
insomnia5
depersonalization4
derealization4
memory impairment4

What got worse for some people

In their own words

“I tried using THC just before bed and it seemed to be magic... It also greatly improved my migraines from 3-4 times a week to 3-4 times a MONTH!”
MixedRead the discussion ↗
“Weed If you need to calm yourself before bed but I find sometimes I wake up a few hours later with weed.”
MixedRead the discussion ↗
“at the end of my weed phase, normal weed just fucked me up and made me clumsy, and didn't really calm me down.”
MixedRead the discussion ↗
“I’ve tried lemon balm, b vitamins, magnesium glycinate, weed, so many things for anxiety. Nothing came close to that drip!”
Didn't helpRead the discussion ↗
“After I stopped using weed and drinking alcohol I have only been sick like 3x in the past 3 years.”
Didn't helpRead the discussion ↗
“Opposite to the mostly described effects, I felt very energized, motivated and clear in the head.”
MixedRead the discussion ↗

Is THC safe? What the research covers

AResearch: Strong249 meta-analyses · 488 randomized trials on PubMed
BMC Psychiatry · 2020
Medicinal cannabis for psychiatric disorders: a clinically-focused systematic review

Conclusion: There is currently encouraging, albeit embryonic, evidence for medicinal cannabis in the treatment of a range of psychiatric disorders. Supportive findings are emerging for some key isolates, however, clinicians need to be mindful of a range of prescriptive and occupational safety considerations, especially if initiating higher dose THC formulas.

THC side effects: what 434 users report — PlainPill