What it isDiclofenac epolamine 1.3% topical patch (FLECTOR, 2007) — a 12-hour patch applied directly over minor strains, sprains, and contusions; topical NSAID delivery for a focal soft-tissue injury.
Why this oneSame molecule and receptor pharmacology as the parent card — the formulation (and its label) is the difference.
What limits itClass warnings of the parent molecule apply unchanged.
FDA-approved for
acute pain from minor strains, sprains, contusions (2007)
BOXED WARNING NSAIDs cause increased risk of serious cardiovascular thrombotic events (MI, stroke) and serious GI bleeding, ulceration, and perforation; contraindicated in the setting of CABG surgery.
FDA dosing
Population
Start
Target
Max
Acute pain due to minor strains, sprains, and contusions
Adults and pediatric patients 6 years and older
1 topical system to the most painful area BID
1 topical system BID
Renal Undefined
Hepatic Undefined
Use the lowest effective dosage for the shortest duration consistent with treatment goals.
Instructions
Apply to intact skin only; do not apply to non-intact or damaged skin
If edges peel, tape down or use a non-occlusive mesh netting sleeve
Do not wear while bathing/showering; wash hands after handling; avoid eye contact
Do not combine with an oral NSAID unless benefit outweighs risk
Use lowest effective dose for shortest duration
Contraindications
History of asthma, urticaria, or other allergic-type reactions after taking aspirin or other NSAIDs
In the setting of coronary artery bypass graft (CABG) surgery
For use on non-intact or damaged skin resulting from any etiology, including exudative dermatitis, eczema, infected lesions, burns or wounds
Cautions
Hepatotoxicity — discontinue if abnormal liver tests persist/worsen
Hypertension; heart failure and edema
Renal toxicity and hyperkalemia
Anaphylactic reactions
Exacerbation of asthma related to aspirin sensitivity
Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS)
Fetal toxicity (avoid at ≥30 weeks; limit 20–30 weeks gestation)
Hematologic toxicity; masking of inflammation/fever
Accidental exposure in children/pets from used systems
Adverse reactions
Application site pruritus, dermatitis, burning
Nausea, dysgeusia, dyspepsia
Headache (pediatric), application site pruritus (pediatric)
Pregnancy Avoid use at about 30 weeks gestation and later (premature closure of fetal ductus arteriosus); limit dose/duration between about 20 and 30 weeks (oligohydramnios/neonatal renal impairment).
Lactation Small amounts of diclofenac present in human milk (topical exposure <1% of a 50 mg oral dose); consider benefits of breastfeeding with clinical need.
⚠ BOXED WARNINGS
Cardiovascular thrombotic events
Gastrointestinal bleeding, ulceration and perforation