🩺 Main Uses
Depression; neuropathic pain; migraine prevention; insomnia (off-label).
🧪 The Science & Facts
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Half‑life (t½)
25 h
How long the drug hangs around. Longer half‑life = slower changes.
Time to Peak (Tmax)
4 h
Roughly when you feel the main effect after a dose.
What it hits (receptors)
Primary:
Very sedating; commonly prescribed off-label for pain and sleep.
How your body processes it (metabolism)
High drug–drug interaction potential.
⚠️ Warnings
- High anticholinergic burden • QT prolongation/arrhythmia risk and overdose toxicity • Avoid with other strong anticholinergics
⏬ Taper & Withdrawal
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If you’re reducing
Taper over weeks. Avoid rapid stop due to cholinergic rebound.
Possible withdrawal
Sleep disruption, anxiety, sweating, nausea.
Info here is educational, not medical advice. Always taper with prescriber support if possible.
🧠 Trusted External Sources Last reviewed 22 Aug 2025, 21:03 by Connor O’Driscoll
🔗 Interaction Checker
Always verify drug interactions using the Drugs.com Checker.
Need Help Getting Off This?
Try your GP first. If that doesn't help, find local support services who understand tapering.
Find Support Near You →⚠️ Black Box Warning
All antidepressants: ↑ suicidal thoughts/behaviours in under-25s.
This is a plain‑English summary of headline safety warnings. Talk to a clinician before changing any medication.