Dofetilide

دوفتیلید

⚠ Unverified

❤️ Cardiovascular SystemClass III antiarrhythmic

Market / country: 🇺🇸 USA

Tikosyn (US)

🧮 Dose calculator

Atrial fibrillation / anticoagulation · Regimen source: FDA Tikosyn · Dosage and Administration

⛔ Start only in a facility with continuous ECG monitoring for ≥3 days. Not if baseline QTc >440 ms. QTc 2–3 h after the first dose; increase >15% or >500 ms: reduce per label. CrCl <20 contraindicated. FDA Tikosyn · Dosage and Administration

🛡️ Safety & information

Contraindications

  • ⛔ Long QT syndrome; baseline QTc >440 ms (500 with ventricular conduction abnormalities); CrCl <20; verapamil, cimetidine, trimethoprim, ketoconazole, prochlorperazine, megestrol, dolutegravir, hydrochlorothiazide. FDA Tikosyn · Contraindications

Warnings

Formulations

👥 Special populations

  • 🤰 PregnancyUse with caution

    Label states no clear risk or has limited data; use only if needed, under medical advice. FDA Tikosyn · Pregnancy

    “Dofetilide has been shown to adversely affect in utero growth and survival of rats and mice when orally administered during organogenesis at doses of 2 or more mg/kg/day.”
  • 🤱 BreastfeedingUse with caution

    Label: use with caution while breastfeeding; see the label text. FDA Tikosyn · Nursing Mothers

    “There is no information on the presence of dofetilide in breast milk.”
  • 👶 ChildrenSafety not established

    Label: safety and effectiveness in children have not been established. FDA Tikosyn · Pediatric Use

    “The safety and effectiveness of TIKOSYN in children (<18 years old) has not been established.”
  • 👴 Older adultsUse with caution

    Label: use with caution in older adults, usually starting at the low end of the dose range. FDA Tikosyn · Geriatric Use

    “Because elderly patients are more likely to have decreased renal function with a reduced creatinine clearance, care must be taken in dose selection (see DOSAGE AND ADMINISTRATION ).”
  • ⚥ Females & males of reproductive potentialNo data

    The source for this drug has no section for this group.

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