Drilldown: Medicines

Nitrofurantoin (1)

Macrobid (monohydrate/macrocrystals), Macrodantin (macrocrystals), Furadantin (suspension) (1)

[[:Category:Antibacterials|Antibacterial]] (1) · [[:Category:Nitrofurans|Nitrofuran]] (1) · [[:Category:Urinary_anti-infectives|Urinary anti-infective]] (1)

None (1)

'"`UNIQ--vote-000008A1-QINU`"', '"`UNIQ--vote-000008A2-QINU`"' (1)

100 mg PO BID × 5 days (Macrobid) for cystitis; 50-100 mg HS for chronic prophylaxis (1)

25 mg/5 mL suspension; 25, 50, 100 mg capsules (Macrodantin); 100 mg Macrobid capsule (1)

400 mg/d (rarely used) (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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12 hours (Macrobid) (1)

~20-60 minutes (plasma; not the relevant kinetic since urinary concentration matters)'"`UNIQ--ref-000008A3-QINU`"' (1)

~90% (oral; food increases absorption)'"`UNIQ--ref-000008A4-QINU`"' (1)

'''Avoid at term (38-42 weeks) and during labor''' (risk of neonatal hemolytic anemia, especially with G6PD deficiency); generally safe in earlier pregnancy.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1)

[[USLegal:Prescription only|Rx-only]] in US (1)