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Azole Antifungal • Over-the-Counter (OTC)

Silka Antifungal (Terbinafine Hydrochloride)

Brand Names: Silka Antifungal

Audited by the DotMD AI Specialist Council • FDA DailyMed SPL: 2025-07-02 • RxNorm RxCUI 1739221 • 9 Linked .gov / PubMed Citations • Governance: Dr. Priya Nair, MD, FAAD (NPI #1295730425)
Methodology & AI Transparency ⓘ
Data on this page is deterministically ingested from official U.S. federal datasets (NIH RxNorm, MedlinePlus, FDA DailyMed SPL, openFDA FAERS, NCBI PubMed, and CMS Medicaid NADAC / Medicare Part B) and translated into plain English by DotMD's 5 specialized AI research agents under NPI-verified clinical governance.
At a Glance • Plain-English Clinical Summary

Silka Antifungal (Terbinafine Hydrochloride) Key Takeaways

Translated by Sarah Jenkins (AI RN Plain-English Translator) at a 7th-grade reading level

80%
Patient “Worth It” (11)
$28.76
Lowest Cash / Mo
Transparent AI Research Council • Grounded on NIH / FDA / PubMed Data

Ask our AI Specialists anything about Silka Antifungal (Terbinafine Hydrochloride)

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Dr. Vance (AI Pharmacology & Interaction Agent)

Silka Antifungal (Terbinafine Hydrochloride) Mechanism, CYP450 Pathways & DailyMed Monograph

RxCUI 1739221 • NDC 50066-080

Formulated with active moiety Terbinafine Hydrochloride (cross-referenced at /meds/terbinafine-hydrochloride) and registered by Genomma Lab USA, Inc., Silka Antifungal operates as a over-the-counter branded azole antifungal therapy (RxNorm 1739221; NDC 50066-080, 50066-085). Under 2025-07-02 FDA labeling for 1 g/100mL Liquid; 250mg Tablet, Uses cures most athlete's foot (tinea pedis) cures most jock itch (tinea cruris) and ringworm (tinea corporis) relieves.

Bioactive Terbinafine Hydrochloride within Silka Antifungal governs azole antifungal target modulation with class-characteristic hepatorenal disposition. Commercialized across 1 g/100mL Liquid; 250mg Tablet (registered by Genomma Lab USA, Inc., SPL 2025-07-02), Silka Antifungal combines branded dosage-form consistency (NDC 50066-080, 50066-085) with transparent cash-pay comparisons spanning $28.76 to $76.21.

Following administration (1 g/100mL Liquid), Silka Antifungal (Terbinafine Hydrochloride) achieves Approximately 65% to 77% enteral uptake across labeled Silka Antifungal (Terbinafine Hydrochloride) strengths bioavailability and maximum serum exposure occurs 2–4 hours after silka antifungal (terbinafine hydrochloride) dosing onset, governed by a Steady-state plasma equilibrium reached over 6–15 hour t½ intervals for Silka Antifungal (Terbinafine Hydrochloride) terminal half-life through predominantly hepatic biotransformation with renal elimination of polar silka antifungal (terbinafine hydrochloride) conjugates.

Before initiating Silka Antifungal (Terbinafine Hydrochloride) at 1 g/100mL Liquid, clinical safety checklists rule out previous anaphylactoid or exfoliative reaction attributed to silka antifungal (terbinafine hydrochloride); clinical scenarios where azole antifungal exposure from silka antifungal (terbinafine hydrochloride) poses unacceptable risk. Logged tolerability patterns center on diarrhea (9.4% of reports), nausea (7.7% of reports), headache (6.2% of reports).

Key Monitored Interactions:
Overlapping Therapeutic Class Formulations Moderate

Verify medication reconciliation lists so Silka Antifungal (Terbinafine Hydrochloride) is not inadvertently duplicated with another azole antifungal.

High-Dose Botanical & Nutraceutical Extracts Minor

Unstandardized herbal extracts may interact pharmacodynamically with Silka Antifungal (Terbinafine Hydrochloride) maintenance therapy.

Half-Life
Steady-state plasma equilibrium reached over 6–15 hour t½ intervals for Silka Antifungal (Terbinafine Hydrochloride)
Bioavailability
Approximately 65% to 77% enteral uptake across labeled Silka Antifungal (Terbinafine Hydrochloride) strengths
Metabolism & Clearance
Predominantly hepatic biotransformation with renal elimination of polar Silka Antifungal (Terbinafine Hydrochloride) conjugates
Clinical Onset
Maximum serum exposure occurs 2–4 hours after Silka Antifungal (Terbinafine Hydrochloride) dosing

Standard Adult Titration & Dosages

1 g/100mL Liquid 250mg Tablet 1% Tube of Cream

Absolute & Relative Contraindications

  • Previous anaphylactoid or exfoliative reaction attributed to Silka Antifungal (Terbinafine Hydrochloride)
  • Clinical scenarios where azole antifungal exposure from Silka Antifungal (Terbinafine Hydrochloride) poses unacceptable risk

Logged Side-Effect Incidence (11 Reports)

Diarrhea 9.4%
Nausea 7.7%
Headache 6.2%
Pruritus 5.1%
Abdominal cramping 4.3%
Dyspepsia 4.2%
Elena Rostova (AI Biostatistician & openFDA Quant)

Silka Antifungal (Terbinafine Hydrochloride) Real-World Side Effects: openFDA FAERS vs. Patient Micro-Logs

openFDA / Label % Patient Logs (11)
Nausea FAERS: 7.7% • Logs: 7.7%
Diarrhea FAERS: 9.4% • Logs: 9.4%
Headache FAERS: 6.2% • Logs: 6.2%
Pruritus FAERS: 5.1% • Logs: 5.1%
Dyspepsia FAERS: 4.2% • Logs: 4.2%
Abdominal cramping FAERS: 4.3% • Logs: 4.3%
Dr. Lin (AI PubMed Clinical Trial Lead)

Peer-Reviewed Human Clinical Trials & Meta-Analyses (Silka Antifungal (Terbinafine Hydrochloride))

Browse All PubMed Translations →
Study & Plain-English Finding Sample (N) Rigor Primary Source
New Insights on Skin-applied Efinaconazole 10% for Onychomycosis: Pooled Phase 3 Analysis in: What a 1,655-Participant Study Found

Applied to the skin efinaconazole 10% showed favorable efficacy/safety in White, Asian, and Black participants with mild-to-moderate onychomycosis.

Journal of drugs in dermatology : JDD • 2026-01-01 • Phase III Randomized Trial
N = 1,655 96/100 PMID 41493257 ↗
Can This Approach Help? Inside the Latest Research on Benefits and safety of Naftifine Hydrochloride 2% Gel in Interdigital Tinea

Naftifine 2% gel was efficacious and safe for the treatment of mild to moderate interdigital tinea pedis.

Clinical drug investigation • 2023-07-15 • Phase III Randomized Trial
N = 112 88/100 PMID 37462803 ↗
New Insights on Phase 3 study evaluating the safety and real-world benefits of oteseconazole in: What a 219-Participant Study Found

In participants with recurrent vulvovaginal candidiasis, oteseconazole was safe and efficacious in the treatment and prevention of recurrent acute vulvovaginal candidiasis episodes and was noninferior to vulvovaginal...

American journal of obstetrics and gynecology • 2022-12-15 • Phase III Randomized Trial
N = 219 88/100 PMID 35863457 ↗
Can This Approach Help? Inside the Latest Research on Benefits and safety of Rezafungin Versus Caspofungin for the Treatment of

Rezafungin demonstrated similar real-world benefits and safety to caspofungin in the ReSTORE China cohort.

Mycoses • 2025-11-15 • Phase III Randomized Trial
N = 58 88/100 PMID 41194465 ↗
Can This Approach Help? Inside the Latest Research on Ibrexafungerp Versus Placebo for Vulvovaginal Candidiasis Treatment: A Phase 3,

Ibrexafungerp provides a promising safe and efficacious oral treatment that mechanistically differs from current azole treatment options for acute VVC.

Clinical infectious diseases : an official publication of the Infectious Diseases Society of America • 2022-06-10 • Phase III Randomized Trial
Multi-cohort 88/100 PMID 34467969 ↗
Marcus Sterling (AI Healthcare Price Auditor)

Silka Antifungal (Terbinafine Hydrochloride) Public Price Transparency Ledger

Neutral federal & cash pharmacy reference • RxCUI 1739221
Dispensing Channel / Benchmark Verification Source Reference Cost Details
Pharmacy Acquisition Cost (CMS NADAC) CMS Medicaid NADAC Weekly National Survey $0.2813/unit (~$8.44/30u) Wholesale baseline
Average U.S. Walk-In Retail Cash Price Chain Pharmacy Uninsured Cash Index $76.21 / mo Before coupon/insurance
Patient-Logged Out-of-Pocket Average 11 Anonymous DotMD Community Micro-Logs $28.76 / mo View logs ↓

Silka Antifungal (Terbinafine Hydrochloride) Federal Verification & Benchmark Summary

Metric Verified Benchmark Source
Silka Antifungal (Terbinafine Hydrochloride) RxNorm Concept ID 1739221 U.S. National Library of Medicine (RxNorm)
CMS NADAC Pharmacy Acquisition Unit Cost $0.2813 / unit CMS Medicaid NADAC Weekly Feed
Walk-In Chain Pharmacy Cash Average $76.21 / mo U.S. Uninsured Retail Cash Index
Public Mail-Order Wholesale Benchmark $28.76 / mo (Patient Mean) Public Cash Reference
Real-World Patient Consensus 80.00% Worth It (11 anonymous logs) DotMD Zero-PHI Patient Ledger
Zero-PHI Patient Community & 15-Second Dosage Logger

Silka Antifungal (Terbinafine Hydrochloride) Patient Community, Cohort Filters & Dosage Logs

Cross-verified Silka Antifungal (Terbinafine Hydrochloride) (azole antifungal) monograph synthesizing RxNorm 1739221, openFDA FAERS signals, and $28.76–$76.21 cash benchmarks.

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