Drilldown: Medicines
Medicines > fda max 
:
2 tablets/day (dextromethorphan 90 mg / bupropion 210 mg) or
5 mg/d or
TID per eye
:
2 tablets/day (dextromethorphan 90 mg / bupropion 210 mg) or
5 mg/d or
TID per eye Use the filters below to narrow your results.
generic:
brand:
classes:
NMDA receptor antagonist + sigma-1 agonist + NDRI (combination) (1) ·
[[:Category:5-alpha-reductase_inhibitors|5α-reductase inhibitor]] (1) ·
[[:Category:Alpha-2_agonists|Alpha-2 adrenergic agonist]] (1) ·
[[:Category:Androgen_modulators|Androgen modulator]] (1) ·
[[:Category:Antihyperglycemic_agents|Antihyperglycemic agent]] (1) ·
[[:Category:BPH_treatments|Benign prostatic hyperplasia treatment]] (1) ·
[[:Category:Carbonic_anhydrase_inhibitors|Carbonic anhydrase inhibitor (topical)]] (1) ·
[[:Category:DPP-4_inhibitors|DPP-4 inhibitor]] (1) ·
[[:Category:Glaucoma_medications|Glaucoma medication]] (2) ·
[[:Category:Incretin_modulators|Incretin pathway modulator]] (1) ·
[[:Category:Ocular_hypotensive_agents|Ocular hypotensive agent]] (2)
mechanism:
uses:
Major depressive disorder in adults (FDA-approved August 2022) (1) ·
'"`UNIQ--vote-0000052E-QINU`"', '"`UNIQ--vote-0000052F-QINU`"', '"`UNIQ--vote-00000530-QINU`"' (1) ·
'"`UNIQ--vote-00000B08-QINU`"', '"`UNIQ--vote-00000B09-QINU`"' (1) ·
'"`UNIQ--vote-000010CE-QINU`"', '"`UNIQ--vote-000010CF-QINU`"', '"`UNIQ--vote-000010D0-QINU`"' (1) ·
'"`UNIQ--vote-0000117B-QINU`"' (1)
starting dose:
1 drop in affected eye(s) TID (monotherapy); BID with timolol (Cosopt) (1) ·
1 tablet (dextromethorphan 45 mg / bupropion 105 mg) PO daily × 3 days, then increase to 1 tablet BID (1) ·
5 mg PO daily for BPH; 1 mg PO daily for androgenetic alopecia (1) ·
5 mg PO once daily (no renal dose adjustment, unlike sitagliptin) (1) ·
Ophthalmic 1 drop in affected eye(s) TID; topical Mirvaso 0.33% gel applied to face daily (1)
preparations:
0.1%, 0.15%, 0.2% ophthalmic solutions; 0.33% topical gel; combinations with timolol (Combigan) and brinzolamide (Simbrinza) (1) ·
1 mg, 5 mg tablets (1) ·
2% ophthalmic solution (Trusopt); 2%/0.5% fixed combination with timolol (Cosopt, Cosopt PF) (1) ·
5 mg tablets; combination with metformin (1) ·
Dextromethorphan 45 mg + bupropion 105 mg ER tablets (1)
fda max: (Click arrow to add another value)
routes:
onset:
BPH symptom improvement at 3-6 months; prostate volume reduction over 6-12 months; hair regrowth at 6-12 months (1) ·
IOP lowering at 1 hour; max at 2-3 hours (1) ·
IOP lowering at 2 hours; max at 4 hours (1) ·
Postprandial glucose effect within days; HbA1c by 12 weeks (1) ·
Significant antidepressant response by week 1 in trials (faster than monoaminergic antidepressants which take 4-6 weeks) (1)
duration:
halflife:
Dextromethorphan ~22 h (when CYP2D6 inhibited); bupropion ~21 h (1) ·
~12 hours (effective); terminal much longer'"`UNIQ--ref-0000117C-QINU`"' (1) ·
~3 hours'"`UNIQ--ref-000010D1-QINU`"' (1) ·
~4 months in erythrocytes (carbonic anhydrase binding in red cells; not relevant to topical IOP duration)'"`UNIQ--ref-00000B0A-QINU`"' (1) ·
~5-6 hours in young men, ~8 hours in elderly'"`UNIQ--ref-00000531-QINU`"' (1)
bioavailability:
Not formally characterized for the combination (1) ·
Topical with measurable systemic absorption (small CA inhibition observed clinically with chronic use)'"`UNIQ--ref-00000B0B-QINU`"' (1) ·
Topical; clinically meaningful systemic absorption can produce systemic α2 effects (somnolence, hypotension), especially in children'"`UNIQ--ref-000010D2-QINU`"' (1) ·
~30% (oral)'"`UNIQ--ref-0000117D-QINU`"' (1) ·
~63% (oral)'"`UNIQ--ref-00000532-QINU`"' (1)
pregnancy:
'''Pregnant individuals should not handle crushed/broken tablets''' (skin absorption risk); can cause hypospadias in male fetus. Not used in pregnancy.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup> (1) ·
Limited data.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup> (1) ·
Limited data; avoid (1) ·
Limited data; switch to insulin where feasible.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup> (1) ·
Limited data; weigh against alternatives.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup> (1)
Showing below up to 5 results in range #1 to #5.