Interaction · Supplement
L-Tryptophan / 5-HTP + SSRIs / SNRIs: use with caution
Serotonin-syndrome risk — do not combine without a prescriber.
- Overall grade
- Grade B
- Last revised
- 0
- graded outcomes
- 0
- references listed
Assembled by the app from other entries in this library. It adds no evidence of its own — follow the links to the entries it draws on.
What is uncertain
Read off the same rows as above. Nothing here is added that the entry does not itself record.
- Watch with L-Tryptophan / 5-HTP: About L-Tryptophan / 5-HTP
The evidence in words
The interaction
L-Tryptophan / 5-HTP and SSRIs / SNRIs — a caution interaction. Serotonin-syndrome risk — do not combine without a prescriber.
What to do
Do not combine these casually. The interaction can matter clinically — bring it to the prescriber who manages the medication before stacking them.
About L-Tryptophan / 5-HTP
L-tryptophan is the essential amino acid precursor to serotonin and melatonin; 5-HTP is the intermediate one step closer to serotonin.
The bigger picture
Supplement–drug and supplement–supplement interactions are the reason a stack should be read as a system, not a list. This platform's interactions graph maps them; the medication side always belongs with the person who prescribes it.
Related reading
Entries that share this one's tags or conditions.
- Kanna (Sceletium tortuosum) + SSRIs / SNRIs: use with cautionSSRI-like reuptake inhibition — serotonin-syndrome risk; don't combine.Evidence grade B
- L-Tryptophan / 5-HTP + MAOIs: use with cautionSerotonin precursor plus an MAOI risks serotonin syndrome — contraindicated.Evidence grade B
- Melatonin + SSRIs / SNRIs: use with cautionSome SSRIs (fluvoxamine) spike melatonin levels — microdose or skip.Evidence grade B
- Methylene Blue + SSRIs / SNRIs: use with cautionMAO inhibition + serotonergic drugs = serotonin-syndrome risk. Do not combine.Evidence grade B
Sources
This entry lists no references of its own — it is assembled from the entries it links to, whose sources are on their pages.
Last revised . A grade is this entry's reading of the evidence, not medical advice.