Drilldown: Medicines

None (1) · Magnesium (oxide, citrate, sulfate, hydroxide, gluconate, chloride salts) (1) · Mirabegron (1)

Mag-Ox, Slow-Mag, MagCitrate, Milk of Magnesia (hydroxide); IV sulfate generic (1) · Myrbetriq (1) · Quviviq (1)

Dual orexin receptor antagonist (DORA) (1) · hydroxide)]] (1) · torsades)]] (1) · [[:Category:Antacids|Antacid (hydroxide)]] (1) · [[:Category:Antiarrhythmics|Antiarrhythmic (IV sulfate (1) · [[:Category:Beta-3_agonists|β3 adrenergic agonist]] (1) · [[:Category:Electrolyte_replacements|Electrolyte replacement]] (1) · [[:Category:Osmotic_laxatives|Osmotic laxative (citrate (1) · [[:Category:Overactive_bladder_medications|Overactive bladder medication]] (1)

None (2) · '"`UNIQ--vote-00001302-QINU`"' Renally cleared; accumulation in advanced CKD can produce neuromuscular and cardiac depression. Hypomagnesemia frequently co-exists with hypokalemia and is often the reason refractory potassium loss does not correct until magnesium is repleted. (1)

Insomnia (sleep onset and/or sleep maintenance) in adults (FDA-approved Jan 2022) (1) · '"`UNIQ--vote-00000C4C-QINU`"', '"`UNIQ--vote-00000C4D-QINU`"' (1) · '"`UNIQ--vote-00001303-QINU`"', '"`UNIQ--vote-00001304-QINU`"', '"`UNIQ--vote-00001305-QINU`"', '"`UNIQ--vote-00001306-QINU`"', '"`UNIQ--vote-00001307-QINU`"', '"`UNIQ--vote-00001308-QINU`"', '"`UNIQ--vote-00001309-QINU`"' (1)

25 mg PO at bedtime (no titration); may increase to 50 mg if 25 mg inadequate (1) · 25 mg PO once daily; titrate to 50 mg after 4-8 weeks if needed (1) · Replacement oxide 400-800 mg/d in divided doses (high diarrhea rate); citrate 200-400 mg/d (better tolerated, better absorbed); IV sulfate 1-2 g over 5-60 minutes for hypomagnesemia or torsades; eclampsia 4-6 g IV loading then 1-2 g/h (1)

25 mg, 50 mg tablets (1) · 25, 50 mg ER tablets; 8 mg/mL granules for oral suspension (Myrbetriq Granules, pediatric) (1) · Oxide 400, 500 mg tablets (240, 300 mg elemental); citrate 100, 150, 200 mg tablets; hydroxide oral suspension 400 mg/5 mL; sulfate IV 500 mg/mL ampules (1)

None · Indication-specific · 40 mg/d · 10 mg/d · 20 mg/d · 80 mg/d · 10 mg/d (adults) · 100 mg/d · 4 g/d · 400 mg/d · 40 mg/d typical; up to 240 mg/d for Zollinger-Ellison · 5 mg/d · 50 mg/d · 600 mg/d · No fixed ceiling; titrate to clinical effect and tolerability with CDC opioid prescribing guidance constraints on morphine-milligram-equivalent (MME) totals · No fixed maximum; titrated to TSH target · TID per eye · Titrated to glucose; no fixed ceiling · Titrated to glucose; no fixed maximum · '''20 mg/day in adults >60 years''' per FDA's 2011-2012 QT-prolongation warning; 40 mg/day in adults ≤60

Other values:

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IV (1) · Oral (3)

Oral: hours; IV: minutes (1) · Symptom improvement within weeks (1) · ~30 min (1)

24 hours (1) · Variable (1) · ~7-8 hours (1)

Not meaningfully described (electrolyte; renally cleared) (1) · ~50 hours'"`UNIQ--ref-00000C4E-QINU`"' (1) · ~8 hours (shorter than suvorexant and lemborexant) (1)

25 mg: ~29%; 50 mg: ~35%; food reduces absorption'"`UNIQ--ref-00000C4F-QINU`"' (1) · Highly salt-dependent: citrate ~25-30%; oxide ~4% (limited and causes osmotic diarrhea); chloride ~12% (1) · ~62% (1)

IV sulfate is the cornerstone of eclampsia/preeclampsia management; oral replacement also safe.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1) · Limited data.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1) · Limited data; avoid (1)

OTC (oral salts) and [[USLegal:Prescription only|Rx-only]] (IV) in US (1) · Rx, Schedule IV (US) (1) · [[USLegal:Prescription only|Rx-only]] in US (1)