II. Indications
III. Preparations
- Glyceryl Trinitrate ointment 0.2% to 0.4% (Compounded by pharmacies)
- Nitroglcycerin ointment 0.4% (Rectiv)
IV. Dosing
- Apply twice daily for 6 weeks
V. Mechanism
- Chemical sphincterotomy
- Reduces maximal anal resting pressure
VI. Adverse effects
- Severe Headache (25%)
- Apply with glove or finger cot to prevent absorption
- Start at 25-50% of typical dose and advance
VII. Drug Interactions
-
Phosphodiesterase Inhibitors (e.g. Viagra)
- Contraindicated in combination
VIII. Efficacy
- Study of 80 patients over 8 weeks
- Fissures healed in 68% using glyceryl ointment
- Adverse effects: Headache
- Only 8% healed with standard delivery
- Lund (1997) Lancet 349-11-4 [PubMed]
IX. References
- (2012) Presc Lett 19(1): 3
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rectiv (on 2/23/2022 at Medicaid.Gov Survey of pharmacy drug pricing) | ||
RECTIV 0.4% OINTMENT | $20.44 per gram |