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Pentoxifylline ER Tabs
Trental Tabs (Pentoxifylline)
Pentoxifylline ER Tabs


 
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Pentoxifylline is used in humans for the treatment of peripheral vascular diseases and cerebrovascular disease caused by impairment of the microcirculation. It is chemically similar to theophylline and caffeine. Although its mechanism of action is not well understood, pentoxifylline is thought to both decrease the viscosity of blood and increase the flexibility of red blood cells.

Item# Item Name Our Price Qty Add
520-054249 Pentoxifylline ER 400mg 100ct.
$33.49
520-054250 Pentoxifylline ER 400mg 500ct.
$155.99
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Extended Information:

ogs

Pentoxifylline is used in dogs to improve microcirculation and as a consequence diminish inflammation and enhance healing of many kinds of skin lesions including: ulcerative dermatosis of Collies and Shelties, dermatomyositis, ear margin seborrhea, atopic disease, and other skin diseases with underlying vasculitis. Healing associated with microvascular compromise may take weeks to months before any appreciable difference is seen. There are some differences of opinion regarding dosing frequency. The standard recommendation is once a day or every other day although recent pharmacokinetic studies performed in the dog support dosing three times a day.

Horses

Pentoxifylline is used in the treatment of endotoxemia, laminitis, and navicular disease in horses. Research in other species has shown improved survival rates for animals treated with this drug during sepsis. The underlying mechanism is thought to be through cytokine reduction. There is conflicting information regarding the concurrent use of pentoxifylline and NSAIDs (flunixin meglumine) when treating endotoxemia. Some studies support using both pentoxifylline and NSAIDs, and some studies do not.

Recently there has been increased interest in the use of pentoxifylline to increase microcirculation to the foot in the treatment of navicular disease and laminitis. The indications would be similar to those for isoxsuprine use. This use of pentoxifylline is based on extrapolation from work done on intermittent claudication in humans. Although there may be clinical benefits from the use of this drug, work by Fehr and Baxter shows that pentoxifylline and isoxsuprine do not increase blood flow to the digit or the laminae.

Side Effects

• Most of the information regarding side effects comes from reports on humans.

• Vomiting, and anorexia are the most common side effects seen in the dog. It may help to give pentoxifylline with a small amount of food.

• Less common side effects include tachycardia, headaches and central nervous system stimulation.

Precautions

• Pentoxifylline should not be used in animals that are sensitive to other xanthines such as theophylline, theobromine or caffeine.

• Pentoxifylline should not be used in animals with cerebral or retinal hemorrhage or with increased risk of hemorrhage.

• Pentoxifylline should be used with caution in animals with diminished renal or hepatic function.

• There are no studies in domestic animals on the safety of pentoxifylline during pregnancy. Studies in laboratory animals did not show an increase in fetal malformations or losses except at very high doses (24x). Pentoxifylline is excreted in milk.

Drug Interactions

• Warfarin and other anticoagulants may increase risk of bleeding.

• Pentoxifylline is related to theophylline. Theophylline levels should be closely monitored if the drugs are used together.

• Ciprofloxacin and cimetidine may increase pentoxifylline levels.

Overdose

• Information on overdose in animals is not available. Signs associated with acute toxicity in humans include GI and CNS signs, hypotension, seizures, fever, cardiac arrhythmias, and unconsciousness. Overdose should be treated with stomach emptying, activated charcoal and supportive care.




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