Drilldown: Medicines

Acyclovir (1) · Riboflavin (vitamin B2) (1)

Many generics/OTC (1) · Zovirax (1)

[[:Category:Anti-herpesvirus_agents|Anti-herpesvirus agent]] (1) · [[:Category:Antivirals|Antiviral]] (1) · [[:Category:B-vitamins|B-vitamin]] (1) · [[:Category:Nucleoside_analogs|Nucleoside analog]] (1) · [[:Category:Vitamins|Vitamin]] (1)

None (1) · '"`UNIQ--vote-0000124C-QINU`"' The 400 mg/d dose for migraine prophylaxis is supported by randomized trials (Schoenen 1998) and remains a low-risk evidence-based supplement option. Characteristic bright-yellow urine fluorescence with high-dose oral supplementation. (1)

'"`UNIQ--vote-00000909-QINU`"', '"`UNIQ--vote-0000090A-QINU`"', '"`UNIQ--vote-0000090B-QINU`"', '"`UNIQ--vote-0000090C-QINU`"', '"`UNIQ--vote-0000090D-QINU`"', '"`UNIQ--vote-0000090E-QINU`"' (1) · '"`UNIQ--vote-0000124D-QINU`"', '"`UNIQ--vote-0000124E-QINU`"', '"`UNIQ--vote-0000124F-QINU`"' (1)

Initial genital herpes 400 mg PO TID × 7-10 days; episodic 800 mg TID × 2 days; suppression 400 mg BID; herpes zoster 800 mg 5×/day × 7 days; HSV encephalitis 10 mg/kg IV q8h × 14-21 days (1) · Migraine prophylaxis: 400 mg PO daily; deficiency replacement 5-30 mg/d (1)

200, 400, 800 mg tablets; 200 mg capsules; 200 mg/5 mL suspension; 500, 1000 mg IV vials; 5% cream and ointment (topical) (1) · 25, 50, 100, 250, 400 mg tablets; OTC (1)

Indication-specific; high-dose IV regimens for encephalitis or disseminated disease (1) · No strict ceiling for water-soluble vitamin; UL not set (1)

None · Oral · IV · topical · IM · intranasal · rectal · subcutaneous · topical ophthalmic · ophthalmic · intramuscular · intravenous · transdermal · vaginal · Subcutaneous (abdomen · sublingual · thigh · Inhaled · SC · intra-articular

Other values:

Search

Migraine effect after 1-3 months of daily use (1) · Symptom relief within 24-48 hours of starting episodic treatment (1)

None · 24 hours · 4-6 hours · 12 hours · 6-8 hours · Daily dosing · 8-12 hours · 12-24 hours · Hours · Hours per application · 24 hours (HS dosing) · 24 hours (once-daily dosing) · 24 h · N/A · N/A (replacement) · Variable · ~7-8 hours · 3-5 hours · 4-6 hours (IR); 24 hours (ER) · 6-12 hours

Other values:

Search

~1-2 hours plasma (riboflavin itself); FAD/FMN tissue cofactors are continuous (1) · ~3 hours; significantly prolonged in renal impairment'"`UNIQ--ref-0000090F-QINU`"' (1)

~20% (oral; valacyclovir prodrug raises this to ~55%)'"`UNIQ--ref-00000910-QINU`"' (1) · ~50-60% (oral; food enhances) (1)

Safe at replacement and supplement doses.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1) · Widely used in pregnancy for HSV/VZV indications; reassuring registry data.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1)

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