May 3, 2016
Recommended Topic Related To:

Promacta

"The U.S. Food and Drug Administration today approved Veltassa (patiromer for oral suspension) to treat hyperkalemia, a serious condition in which the amount of potassium in the blood is too high.

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Promacta




Overdosage
Contraindications

OVERDOSE

In the event of overdose, platelet counts may increase excessively and result in thrombotic/thromboembolic complications.

In one report, a subject who ingested 5,000 mg of PROMACTA had a platelet count increase to a maximum of 929 x 109/L at 13 days following the ingestion. The patient also experienced rash, bradycardia, ALT/AST elevations, and fatigue. The patient was treated with gastric lavage, oral lactulose, intravenous fluids, omeprazole, atropine, furosemide, calcium, dexamethasone, and plasmapheresis; however, the abnormal platelet count and liver test abnormalities persisted for 3 weeks. After 2 months' follow-up, all events had resolved without sequelae.

In case of an overdose, consider oral administration of a metal cation-containing preparation, such as calcium, aluminum, or magnesium preparations to chelate eltrombopag and thus limit absorption. Closely monitor platelet counts. Reinitiate treatment with PROMACTA in accordance with dosing and administration recommendations [see DOSAGE AND ADMINISTRATION].

CONTRAINDICATIONS

None.

This monograph has been modified to include the generic and brand name in many instances.

Last reviewed on RxList: 9/2/2015

Overdosage
Contraindications

Report Problems to the Food and Drug Administration

 

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.


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