• Psoriasis

Oxsoralen-ultra Generic Name & Formulations

General Description

Methoxsalen 10mg; soft gel caps.

Pharmacological Class


How Supplied


Oxsoralen-ultra Indications


Symptomatic control of severe, recalcitrant, disabling psoriasis not adequately responsive to other forms of therapy and when the diagnosis has been supported by biopsy.

Oxsoralen-ultra Dosage and Administration


Give only in conjunction with a schedule of controlled doses of long wave UV radiation. Do not sunbathe during the 24hr period prior to methoxsalen ingestion; avoid sun exposure for at least 8hrs after and do not sunbathe for 48hrs after. Wear UVA absorbing wrap-around sunglasses for 24hrs after. Apply sunscreen if sun exposure unavoidable; do not apply to areas affected by psoriasis until after UVA treatment. Give 1½–2hrs before UVA exposure with low fat food or milk. <30kg: 10mg. 30–50kg: 20mg. 51–65kg: 30mg. 66–80kg: 40mg. 81–90kg: 50mg. 91–115kg: 60mg. >115kg: 70mg. See literature for UVA exposure schedule.


Not recommended.

Oxsoralen-ultra Contraindications


Idiosyncratic reactions to psoralen compounds. History of light sensitive disease states (eg, lupus erythematosus, porphyria cutanea tarda, erythropoietic protoporphyria, variegate porphyria, xeroderma pigmentosum, albinism). Melanoma or history of. Invasive squamous cell carcinomas. Aphakia.

Oxsoralen-ultra Boxed Warnings

Boxed Warning

Should be used only by experienced physicians. Not interchangeable with regular Oxsoralen or 8-MOP capsules.

Oxsoralen-ultra Warnings/Precautions


To be used only by physicians with special training in photochemotherapy. Do not use interchangeably with Oxsoralen. Increased risk of ocular damage (eg, cataracts), aging of the skin, and skin cancer; monitor. Basal cell carcinoma. Previous radiation or aresenic therapy. Hepatic insufficiency. Cardiovascular disease. Perform ophthalmologic exam prior to start of therapy and then yearly. Elderly. Pregnancy (Cat.C). Nursing mothers: not recommended.

Oxsoralen-ultra Pharmacokinetics

See Literature

Oxsoralen-ultra Interactions


Caution with concomitant photosensitizing agents (eg, anthralin, coal tar, griseofulvin, phenothiazines, nalidixic acid, fluoroquinolones, halogenated salicylanilides, sulfonamides, tetracyclines, thiazides, certain organic staining dyes).

Oxsoralen-ultra Adverse Reactions

Adverse Reactions

Nausea, nervousness, insomnia, depression; combined methoxsalen/UVA therapy: pruritus, erythema, edema, dizziness, headache, malaise, hypopigmentation, vesiculation, bullae formation, rash, herpes simplex, miliaria, urticaria, folliculitis, cutaneous tenderness, leg cramps, hypotension, extension of psoriasis.

Oxsoralen-ultra Clinical Trials

See Literature

Oxsoralen-ultra Note

Not Applicable

Oxsoralen-ultra Patient Counseling

See Literature