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TERBINAFINE HYDROCHLORIDE

Generic: Terbinafine Hydrochloride

Verified·Apr 23, 2026
NDC
50090-5810
RxCUI
992528
Route
TOPICAL
ICD-10 indication
B35.1

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About TERBINAFINE HYDROCHLORIDE

What is this medication? Terbinafine hydrochloride is an antifungal medication primarily prescribed to treat various types of fungal infections affecting the skin and nails. It is most commonly used for onychomycosis, which is a fungal infection that causes the fingernails or toenails to become thickened, brittle, or discolored. The medication works by interfering with the ability of fungi to produce certain substances needed for their cell membranes, ultimately stopping the growth and spread of the infection.

In addition to nail infections, this medication is frequently used to treat skin conditions such as athlete foot, jock itch, and ringworm. While available in topical forms for minor skin issues, the oral tablet form is typically reserved for more persistent or deep-seated infections that topical treatments cannot reach. It is important to complete the full course of treatment as directed by a healthcare provider, even if symptoms improve, to ensure the infection is completely cleared and does not return.

Copay & patient assistance

Detailed copay and financial assistance information is not publicly available for this medication at this time. Please consult your pharmacist or the manufacturer's official patient support program for more details.

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Prescribing information

From the FDA-approved label for TERBINAFINE HYDROCHLORIDE. Official source: DailyMed (NLM) · Label effective Nov 24, 2023

Indications and usage
Uses cures most athlete's foot (tinea pedis) cures most jock itch (tinea cruris) and ringworm (tinea corporis) relieves itching, burning, cracking and scaling which accompany these conditions
Dosage and administration
Directions adults and children 12 years and over: use the tip of the cap to break the seal and open the tube wash the affected skin with soap and water and dry completely before applying for athlete's foot wear well-fitting, ventilated shoes. Change shoes and socks at least once daily. between the toes only: apply twice a day (morning and night) for 1 week or as directed by a doctor on the bottom or sides of the foot: apply twice a day (morning and night) for 2 weeks or as directed by a doctor for jock itch and ringworm: apply once a day (morning or night) for 1 week or as directed by a doctor wash hands after each use children under 12 years: ask a doctor 1 week between the toes 2 weeks on the bottom or sides of the foot Image Image
Warnings
Warnings For external use only Do not use on nails or scalp in or near the mouth or eyes for vaginal yeast infections When using this product do not get into eyes. If eye contact occurs, rinse thoroughly with water. Stop use and ask a doctor if too much irritation occurs or gets worse Keep out of reach of children. If swallowed, get medical help or contact a Poison Control Center right away.

Label text is reproduced as-is from the FDA-approved label. We do not paraphrase, summarize, or omit. Content above is for informational purposes only and is not medical advice. Always consult your prescribing clinician or pharmacist before making decisions about your medication.

Conditions we've indexed resources for

Click a condition to see copay cards, grants, and PA rules specific to it. For the full list of FDA-approved indications, see Prescribing information above.

Prior authorization & coverage

PayerPAStep therapyCopay tier

Medicare Part D

Medicare Part D

Medicare Part D

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How this page is sourced

  • Drug identity verified against openFDA NDC Directory.
  • Label text (when shown) originates from NLM DailyMed.
  • Copay and assistance URLs verified periodically; if you hit a broken link, tell us.