This page describes pharmacological agents that may have legal restrictions, side effects, and drug interactions in your jurisdiction. Information is for educational research only — consult a clinician before considering any compound.
Fluoxetine
Our depth — beyond the mirror
Deeper analysis, verdict reasoning, and per-archetype recommendations from our research team.
▸ Editor's verdict NOT-RELEVANT HIGH
No clinical indication for users in this archetype. Longest half-life of SSRI class (less withdrawal but slower clearance) doesn't change the basic mismatch — emotional blunting + sexual dysfunction not justified absent diagnosis.
▸ Decision matrix by user profile Per-archetype
| Archetype | Verdict | Rationale |
|---|---|---|
★20-30, brain-priority, high cognitive workload (this-archetype) | NOT-RELEVANT | — |
30-50, executive maintenance | NOT-RELEVANT | unless clinical depression. |
50+, mild cognitive decline | NOT-RELEVANT | for cognition; caution re: drug interactions in polypharmacy elderly. |
Anxiety-prone | OPTIONAL-ADD | if sertraline/escitalopram fail; activating profile may worsen acute anxiety. |
High athletic load, tested status | SKIP-FOR-NOW | Same drive/libido concerns as class. |
Sleep-disordered | SKIP-FOR-NOW | activating profile worsens insomnia in many. |
Recovery-focused | NOT-RELEVANT | — |
Strength/anabolic-focused | SKIP-PERMANENT | — |
- ★20-30, brain-priority, high cognitive workload (this-archetype)NOT-RELEVANT
- 30-50, executive maintenanceNOT-RELEVANT
unless clinical depression.
- 50+, mild cognitive declineNOT-RELEVANT
for cognition; caution re: drug interactions in polypharmacy elderly.
- Anxiety-proneOPTIONAL-ADD
if sertraline/escitalopram fail; activating profile may worsen acute anxiety.
- High athletic load, tested statusSKIP-FOR-NOW
Same drive/libido concerns as class.
- Sleep-disorderedSKIP-FOR-NOW
activating profile worsens insomnia in many.
- Recovery-focusedNOT-RELEVANT
- Strength/anabolic-focusedSKIP-PERMANENT
▸ Subjective experience (deep)
Activating profile vs sertraline (more daytime energy, sometimes anxiety/jitteriness early). Same emotional blunting and sexual dysfunction as class. Long half-life means missed doses are rarely felt; discontinuation is gentlest of SSRIs.
▸ Tolerance + cycling deep dive
- Tolerance: Generally maintained; "poop-out" possible.
- Not cycled; chronic use.
▸ Stacking deep dive
Avoid stacking with
- MAOIs: 5-week washout required (vs 14 days for other SSRIs) due to long half-life.
- Tramadol, MDMA, 5-HTP, St John's wort: serotonin syndrome.
- Tamoxifen: fluoxetine inhibits CYP2D6 → reduces tamoxifen activation → reduced anti-cancer efficacy.
▸ Drug interactions deep dive
Strong CYP2D6 + moderate CYP2C19 inhibitor. Many interactions (TCAs, antipsychotics, beta-blockers, codeine/tramadol). Worst interaction profile of SSRI class along with paroxetine.
▸ Pharmacogenomics
CYP2D6 PM/UM affects metabolism modestly. Self-inhibits CYP2D6 at clinical doses, reducing the impact of phenotype.
▸ Sourcing deep dive
| Path | Vendor | Cost | Reliability | Notes |
|---|---|---|---|---|
| Rx | Pharmacy | $4-15/mo generic | high | Cheapest SSRI; widely available. |
▸ Biomarkers to track (deep)
- Baseline: PHQ-9, GAD-7, sodium, LFTs.
- During use: PHQ-9 q4-6 weeks; sodium at 2 + 8 weeks; sexual function check.
- Post-discontinuation: Recognize 4-6 week pharmacological tail when starting new agents.
▸ Controversies / open debates Live debate
- Pediatric use: Only SSRI with FDA approval for adolescent MDD; controversy over benefit:risk in this group continues.
- Tamoxifen interaction: Real impact on breast cancer outcomes via CYP2D6 inhibition; switch to citalopram/escitalopram for breast cancer survivors.
- Bulimia mechanism: Unique 5-HT2C effect proposed; clinical efficacy at 60mg.
▸ Verdict change log
- 2026-05-06 — Initial verdict: NOT-RELEVANT.
▸ Open questions / gaps Open
Whether long half-life provides meaningful clinical advantage (compliance, withdrawal) over shorter SSRIs. Real-world tamoxifen interaction magnitude.
References
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