Drilldown: Medicines
Medicines > routes:
oral 
& duration :
8-12 hours or
TID dosing for IR; once-daily for ER formulations
& duration :
8-12 hours or
TID dosing for IR; once-daily for ER formulations Use the filters below to narrow your results.
generic:
brand:
classes:
gut-restricted)]] (1) ·
[[:Category:Antibacterials|Antibacterial (anaerobic)]] (1) ·
[[:Category:Antibacterials|Antibacterial]] (1) ·
[[:Category:Anticonvulsants|Anticonvulsant]] (1) ·
[[:Category:Antidiarrheals|Antidiarrheal]] (1) ·
[[:Category:Antiprotozoals|Antiprotozoal]] (1) ·
[[:Category:Beta-lactam_antibiotics|β-lactam antibiotic]] (1) ·
[[:Category:Cephalosporins|Cephalosporin (second-generation)]] (1) ·
[[:Category:Fluoroquinolones|Fluoroquinolone antibiotic]] (1) ·
[[:Category:Gabapentinoids|Gabapentinoid]] (1) ·
[[:Category:Neuropathic pain medicines|Neuropathic pain medicine]] (1) ·
[[:Category:Nitroimidazoles|Nitroimidazole antibiotic]] (1) ·
[[:Category:Opioid_receptor_agonists|Peripheral opioid receptor agonist (μ-selective (1)
mechanism:
uses:
'"`UNIQ--vote-00000021-QINU`"', '"`UNIQ--vote-00000022-QINU`"', '"`UNIQ--vote-00000023-QINU`"', '"`UNIQ--vote-00000024-QINU`"', '"`UNIQ--vote-00000025-QINU`"', '"`UNIQ--vote-00000026-QINU`"', '"`UNIQ--vote-00000027-QINU`"', '"`UNIQ--vote-00000028-QINU`"' (1) ·
'"`UNIQ--vote-00000932-QINU`"', '"`UNIQ--vote-00000933-QINU`"', '"`UNIQ--vote-00000934-QINU`"', '"`UNIQ--vote-00000935-QINU`"', '"`UNIQ--vote-00000936-QINU`"', '"`UNIQ--vote-00000937-QINU`"' (1) ·
'"`UNIQ--vote-00000BE3-QINU`"', '"`UNIQ--vote-00000BE4-QINU`"', '"`UNIQ--vote-00000BE5-QINU`"', '"`UNIQ--vote-00000BE6-QINU`"', '"`UNIQ--vote-00000BE7-QINU`"', '"`UNIQ--vote-00000BE8-QINU`"', '"`UNIQ--vote-00000BE9-QINU`"', '"`UNIQ--vote-00000BEA-QINU`"' (1) ·
'"`UNIQ--vote-00000FCF-QINU`"', '"`UNIQ--vote-00000FD0-QINU`"', '"`UNIQ--vote-00000FD1-QINU`"' (1) ·
'"`UNIQ--vote-00000FF3-QINU`"', '"`UNIQ--vote-00000FF4-QINU`"', '"`UNIQ--vote-00000FF5-QINU`"', '"`UNIQ--vote-00000FF6-QINU`"', '"`UNIQ--vote-00000FF7-QINU`"', '"`UNIQ--vote-00000FF8-QINU`"' (1)
starting dose:
250-500 mg PO BID × 7-14 days; IV 1.5 g q8h for serious infections (1) ·
300 mg PO at bedtime night 1, 300 mg BID day 2, 300 mg TID day 3; titrate to clinical effect, commonly 1800-3600 mg/day divided TID (1) ·
4 mg PO initially, then 2 mg after each loose stool, '''not to exceed 16 mg/d''' (8 mg OTC); chronic-use lower (1) ·
500 mg PO TID × 7-10 days (most indications); 2 g single dose for trichomoniasis; 500 mg IV q8h for severe anaerobic infection; rectal 1 g BID (1) ·
500-750 mg PO BID; 400 mg IV q8-12h (1)
preparations:
125, 250, 500 mg tablets; 125 mg/5 mL, 250 mg/5 mL suspension; 750 mg, 1.5 g IV vials (1) ·
2 mg capsules and tablets; 1 mg/5 mL oral solution; combined with simethicone (Imodium Multi-Symptom) (1) ·
250, 500 mg tablets; 750 mg ER; 500 mg/100 mL IV; 0.75-1% topical gel/cream; 0.75% vaginal gel; suppository (1) ·
250, 500, 750 mg IR tablets; 500, 1000 mg ER tablets (XR); 250, 500 mg/5 mL oral suspension; 200, 400 mg IV; 0.3% ophthalmic solution and ointment; 0.2% otic (1) ·
Capsules 100, 300, 400 mg; tablets 600, 800 mg; oral solution 250 mg/5 mL; Gralise ER tablets 300, 600 mg (once-daily); Horizant ER tablets 300, 600 mg (gabapentin enacarbil, an inactive parent compound metabolized to gabapentin in vivo) (1)
fda max:
routes: (Click arrow to add another value)
onset:
duration: (Click arrow to add another value)
halflife:
bioavailability:
'''Saturable''' via the LAT-1 amino-acid transporter, producing nonlinear pharmacokinetics: ~60% at 300 mg single dose, falling to ~35% at 1200 mg single dose'"`UNIQ--ref-0000002A-QINU`"' (1) ·
~0.3% (oral; extensive first-pass via CYP3A4 and P-glycoprotein-mediated efflux at the intestinal and blood-brain barriers limit systemic and CNS exposure at therapeutic doses)'"`UNIQ--ref-00000FD3-QINU`"' (1) ·
~37% (oral, as axetil prodrug; food modestly improves absorption)'"`UNIQ--ref-00000FFA-QINU`"' (1) ·
~70% (oral; reduced by divalent cations — antacids, iron, calcium, dairy)'"`UNIQ--ref-00000939-QINU`"' (1) ·
~80% (oral)'"`UNIQ--ref-00000BEC-QINU`"' (1)
pregnancy:
'''Avoid in pregnancy where alternatives exist''' (animal cartilage toxicity; class-wide concern); use only when benefit clearly outweighs.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup> (1) ·
Generally considered acceptable when needed.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup> (1) ·
Generally considered safe after the first trimester; first-trimester use weighed against indication.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup> (1) ·
Generally considered safe in pregnancy.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup> (1) ·
Limited human data; some signal for cardiac malformations and developmental delay but confounded by maternal disease and polytherapy.<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.