Drilldown: Medicines

Bromazolam (1)

(none, never marketed) (1)

Designer benzodiazepine (1) · Research material (1) · Sedative-Hypnotic (1) · Triazolobenzodiazepine (1)

Positive allosteric modulator of the GABA_A receptor at the benzodiazepine binding site; increases frequency of Cl⁻ channel opening, producing anxiolytic, sedative, hypnotic, anticonvulsant, and skeletal-muscle relaxant effects. (1)

No approved medical problem. Encountered as a designer/research benzodiazepine and, increasingly, as an adulterant in illicit opioid supplies. (1)

No medical dose. Active recreational doses reported in the 0.5–1.5 mg range (similar potency to alprazolam). (1)

Illicit tablets ("bars"), powders, blotter, occasionally solutions. No pharmaceutical product exists. (1)

N/A (never approved) (1)

None · Oral · IV · Topical · IM · intranasal · rectal · Subcutaneous · Topical ophthalmic · ophthalmic · intramuscular · intravenous · transdermal · vaginal · Subcutaneous (abdomen · Sublingual · thigh · inhaled · SC · intra-articular

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None · Hours · 30-60 minutes · 1-2 hours · ~30 min · LDL lowering at 2 weeks, max by 4 weeks · ~1 hour · 15-30 minutes · 15–30 min · 1–2 h · 30–60 min · Antidepressant effect emerges over 1-2 weeks · BP and symptomatic LUTS improvement within 1-2 weeks · BP effect within 1-2 weeks · Clinical improvement within 24-72 hours · Days · Motor improvement over days at therapeutic dose · Over weeks · Postprandial glucose effect within days; HbA1c by 12 weeks · Sleep effect from first dose; antidepressant effect over 1-4 weeks

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6–10 h subjective; full pharmacologic effect considerably longer. (1)

Estimated ~12–17 h (some sources cite up to ~21 h); active metabolites prolong effect. (1)

Not formally characterized in humans. (1)

Avoid. Benzodiazepines are associated with neonatal sedation, floppy-infant syndrome, and withdrawal; teratogenic signal weak but non-zero. Designer benzo with no safety data, assume worst-case. (1)

None (1)