Orphenadrine Citrate

Prescription

Tên thương mại: ORPHENADRINE CITRATE

Dạng bào chế

Tablet

Đường dùng

ORAL

Nhà sản xuất

Northwind Health Company, LLC

About This Medication

DESCRIPTION Orphenadrine citrate is the citrate salt of orphenadrine. It occurs as a white, crystalline powder having a bitter taste. It is practically odorless; sparingly soluble in water, slightly soluble in alcohol. The chemical name of orphenadrine citrate is (±) -N,N -Dimethyl-2-[( o -methyl-α-phenylbenzyl)oxy]ethylamine citrate (1:1) having molecular formula C 18 H 23 NO•C 6 H 8 O 7 and molecular weight of 461.51. It has the following structural formula: Each tablet for oral administration contains 100 mg orphenadrine citrate. Each Orphenadrine citrate extended- release tablet contains the following inactive ingredients: hydroxypropyl methylcellulose, lactose monohydrate and magnesium stearate. Image

Hoạt chất

Thành phần	Hàm lượng
Orphenadrine Citrate	-

Chỉ định & Cách dùng

INDICATIONS AND USAGE Orphenadrine citrate extended-release tablets are indicated as an adjunct to rest, physical therapy, and other measures for the relief of discomfort associated with acute painful musculoskeletal conditions.

Liều dùng & Cách dùng

DOSAGE AND ADMINISTRATION Adults Two tablets per day; one in the morning and one in the evening.

Side Effects Overview

ADVERSE REACTIONS Adverse reactions of orphenadrine are mainly due to the mild anticholinergic action of orphenadrine, and are usually associated with higher dosage. Dryness of the mouth is usually the first adverse effect to appear. When the daily dose is increased, possible adverse effects include: tachycardia, palpitation, urinary hesitancy or retention, blurred vision, dilatation of pupils, increased ocular tension, weakness, nausea, vomiting, headache, dizziness, constipation, drowsiness, hypersensitivity reactions, pruritus, hallucinations, agitation, tremor, gastric irritation, and rarely urticaria and other dermatoses. Infrequently, an elderly patient may experience some degree of mental confusion. These adverse reactions can usually be eliminated by reduction in dosage. Very rare cases of aplastic anemia associated with the use of orphenadrine tablets have been reported. No causal relationship has been established.

Cảnh báo & Thận trọng

WARNINGS Some patients may experience transient episodes of light-headedness, dizziness or syncope. Orphenadrine may impair the ability of the patient to engage in potentially hazardous activities such as operating machinery or driving a motor vehicle; ambulatory patients should therefore be cautioned accordingly.

Chống chỉ định

CONTRAINDICATIONS Orphenadrine citrate extended-release tablets are contraindicated in patients with glaucoma, pyloric or duodenal obstruction, stenosing peptic ulcers, prostatic hypertrophy or obstruction of the bladder neck, cardio-spasm (mega-esophagus) and myasthenia gravis. Orphenadrine citrate tablets are contraindicated in patients who have demonstrated a previous hypersensitivity to the drug.

Frequently Asked Questions

INDICATIONS AND USAGE Orphenadrine citrate extended-release tablets are indicated as an adjunct to rest, physical therapy, and other measures for the relief of discomfort associated with acute painful musculoskeletal conditions.

DOSAGE AND ADMINISTRATION Adults Two tablets per day; one in the morning and one in the evening.

WARNINGS Some patients may experience transient episodes of light-headedness, dizziness or syncope. Orphenadrine may impair the ability of the patient to engage in potentially hazardous activities such as operating machinery or driving a motor vehicle; ambulatory patients should therefore be cautioned accordingly.

CONTRAINDICATIONS Orphenadrine citrate extended-release tablets are contraindicated in patients with glaucoma, pyloric or duodenal obstruction, stenosing peptic ulcers, prostatic hypertrophy or obstruction of the bladder neck, cardio-spasm (mega-esophagus) and myasthenia gravis. Orphenadrine citrate tablets are contraindicated in patients who have demonstrated a previous hypersensitivity to the drug.

Orphenadrine Citrate is a prescription medication. You will need a valid prescription from a licensed healthcare provider.

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References & Data Sources

• DailyMed — Orphenadrine Citrate drug label (National Library of Medicine)
• openFDA — Orphenadrine Citrate label data (U.S. Food & Drug Administration)
• RxNorm — RXCUI 994521 (NLM Normalized Drug Names)
• NDC Directory — Orphenadrine Citrate (FDA National Drug Code)

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Nguồn dữ liệu: DailyMed (NLM), openFDA, MFDS