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1-3 minutes (very short)'"`UNIQ--ref-00000C0F-QINU`"'
or
~5 h (caffeine)
or
~7.1 hours 
:
1-3 minutes (very short)'"`UNIQ--ref-00000C0F-QINU`"'
or
~5 h (caffeine)
or
~7.1 hours 
Use the filters below to narrow your results.
None (1) ·
Caffeine + theophylline + L-theanine. L-theanine (an amino acid unique to tea) modulates glutamate and produces an 'alpha-wave' calming overlay on caffeine's stimulation, hence tea's reputation as a 'cleaner' stimulant than coffee. (1) ·
Caffeine is a non-selective adenosine A1/A2A receptor antagonist; also weak PDE inhibition. Beans contain theobromine (3,7-DMX) and theophylline (1,3-DMX) in smaller amounts. (1) ·
Selective dopamine and norepinephrine reuptake inhibitor (DAT and NET inhibition). Unlike amphetamine, does not significantly release monoamines, pure reuptake inhibition. (1)
Excessive daytime sleepiness in adults with narcolepsy or obstructive sleep apnea (OSA) (1) ·
'"`UNIQ--vote-000000CF-QINU`"', '"`UNIQ--vote-000000D0-QINU`"', '"`UNIQ--vote-000000D1-QINU`"' (1) ·
'"`UNIQ--vote-00000747-QINU`"', '"`UNIQ--vote-00000748-QINU`"' (1) ·
'"`UNIQ--vote-00000C0A-QINU`"', '"`UNIQ--vote-00000C0B-QINU`"', '"`UNIQ--vote-00000C0C-QINU`"', '"`UNIQ--vote-00000C0D-QINU`"', '"`UNIQ--vote-00000C0E-QINU`"' (1)
Narcolepsy: 75 mg PO once daily upon awakening, titrate every 3 days. OSA: 37.5 mg PO once daily, titrate. (1) ·
One cup (~40–60 mg caffeine; about half of brewed coffee) (1) ·
One cup (~80–145 mg caffeine for brewed; 60–100 mg for instant) (1) ·
SL 0.3-0.6 mg every 5 minutes up to 3 doses for acute angina (call EMS if not resolved after the third); IV infusion 5-10 mcg/min titrated; transdermal patch 0.2-0.4 mg/hr for 12-14 hours daily (nitrate-free interval prevents tolerance) (1)
75 mg, 150 mg tablets (1) ·
Dried leaves, infused. Six major processings: white, green, yellow, oolong, black, pu-erh (1) ·
Roasted beans, ground; brewed (drip, French press, espresso, cold brew, percolated) (1) ·
SL 0.3, 0.4, 0.6 mg tablets; lingual spray 0.4 mg/spray; ER 2.5-9 mg capsules; transdermal patch 0.1-0.8 mg/hr; 2% ointment; 0.4% rectal ointment; 5 mg/mL IV (1)
None (1) ·
Limit to <200 mg/d (~2 cups brewed) (1) ·
Limited data; pregnancy exposure registry available (1) ·
Used in obstetric emergencies (uterine relaxation, severe hypertension) when needed; otherwise limited routine use.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup> (1)
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