The maximum doses administered in medische bijwerkingen pletal both rat and mouse studies were, on systemic exposure basis, less than the human exposure at the MRHD of the drug. When cilostazol was administered to rats during late pregnancy and lactation, an increased incidence of stillborn and decreased birth weights of offspring was seen at doses of 150 mg kg day times the MRHD on systemic exposure basis. Evaluation of Cilostazol in Combination With L-Carnitine Recruiting The purpose of this study is to see how safe and effective carnitine taken with cilostazol is compared to placebo taken with cilostazol for people with intermittent claudication. If more than one dose is missed, contact your health care provider or pharmacist. Therefore, individuals with heart failure should not use cilostazol. Call your doctor at once if you have any of these serious side effects: severe bloody urine, painful fever, chills, body aches, flu chest feeling short of breath, even with mild or swelling of your ankles or feet.