History of allergy to any drugs of therapeutic regimen pregnancy and lactation renal and hepatic disease History of cerebral or ocular bleeding Glomerular infiltration less than 30 ml / min History of use of pentoxifylline Symptoms start more than 14 days before

History of allergy to any drugs of therapeutic regimen pregnancy and lactation renal and hepatic disease History of cerebral or ocular bleeding Glomerular infiltration less than 30 ml / min History of use of pentoxifylline Symptoms start more than 14 days before