Drilldown: Medicines

Cyanocobalamin (vitamin B12) (1) · Folic acid (folate, pteroylglutamic acid) (1) · Medroxyprogesterone acetate (MPA) (1)

Folvite; mostly generic (1) · Many OTC and Rx; Nascobal (intranasal); generic injection (1) · Provera (oral), Depo-Provera (IM contraceptive), Depo-SubQ Provera 104 (SC) (1)

[[:Category:B-vitamins|B-vitamin]] (2) · [[:Category:Hematinics|Hematinic]] (2) · [[:Category:Hormonal_contraceptives|Hormonal contraceptive (Depo)]] (1) · [[:Category:Progestogens|Progestin (synthetic progestogen)]] (1) · [[:Category:Sex_hormones|Sex hormone]] (1) · [[:Category:Vitamins|Vitamin]] (2)

None (3)

'"`UNIQ--vote-000005B3-QINU`"', '"`UNIQ--vote-000005B4-QINU`"', '"`UNIQ--vote-000005B5-QINU`"', '"`UNIQ--vote-000005B6-QINU`"' (1) · '"`UNIQ--vote-00000607-QINU`"', '"`UNIQ--vote-00000608-QINU`"', '"`UNIQ--vote-00000609-QINU`"', '"`UNIQ--vote-0000060A-QINU`"' (1) · '"`UNIQ--vote-00000F1B-QINU`"', '"`UNIQ--vote-00000F1C-QINU`"', '"`UNIQ--vote-00000F1D-QINU`"', '"`UNIQ--vote-00000F1E-QINU`"', '"`UNIQ--vote-00000F1F-QINU`"' (1)

0.4 mg PO daily (general prevention); 0.8-1 mg/d in pregnancy; 4 mg/d for women with prior NTD-affected pregnancy; 1 mg/d during methotrexate therapy (1) · Contraception: Depo-Provera 150 mg IM every 13 weeks; Depo-SubQ 104 mg SC every 12-13 weeks; oral cycling: 5-10 mg PO daily ×5-10 days for amenorrhea (1) · Replacement: 1000 mcg IM daily for 1 week, then weekly for 4 weeks, then monthly; or 1000-2000 mcg PO daily (effective even in pernicious anemia via passive diffusion); intranasal 500 mcg weekly (1)

0.4, 0.8, 1 mg OTC; 1 mg Rx; 5 mg/mL injection (1) · 100, 250, 500, 1000, 5000 mcg tablets (OTC and Rx); 1000 mcg/mL injection; intranasal spray; sublingual (1) · 2.5, 5, 10 mg oral tablets; Depo-Provera 150 mg/mL IM; Depo-SubQ Provera 104 mg/0.65 mL (1)

1 mg/d typical Rx; higher in specific indications (1) · Indication-specific (1) · No strict ceiling; water-soluble vitamin, low toxicity (1)

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

Other values:

Search

Contraceptive within 24 hours if given in first 5 days of cycle; otherwise backup for 7 days (1) · Hematologic response within days (1) · Reticulocyte response at 3-5 days; neurologic recovery weeks to months (and may be incomplete if longstanding) (1)

Depot IM 13 weeks (designed); often persists longer (1) · N/A (replacement) (2)

~0.5 hours plasma; tissue retention longer (1) · ~50 days (Depo-Provera; long depot release)'"`UNIQ--ref-00000F20-QINU`"' (1) · ~6 days (plasma); hepatic stores last 3-5 years (1)

High (oral) (1) · Oral ~1-3% via passive diffusion at high doses (independent of intrinsic factor); IM/SC ~100% (1) · Oral ~90%; depot IM essentially 100% over the dosing interval'"`UNIQ--ref-00000F21-QINU`"' (1)

Contraindicated in known pregnancy.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1) · Routinely supplemented in pregnancy and preconception to prevent neural tube defects.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1) · Routinely supplemented in vegan pregnancies and pernicious anemia.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1)

OTC (low-dose) and [[USLegal:Prescription only|Rx-only]] (1 mg, injectable) in US (1) · OTC (low/mid-dose oral) and [[USLegal:Prescription only|Rx-only]] (injection, intranasal) in US (1) · [[USLegal:Prescription only|Rx-only]] in US. Carries a '''Boxed Warning''' for bone mineral density loss with prolonged use (≥2 years; partially reversible after discontinuation)'"`UNIQ--ref-00000F22-QINU`"' (1)