"SYDNEY, AUSTRALIA â€” A small randomized trial reports sharp blood-pressure reductions in untreated hypertensives using a single pill combining four BP-lowering drugs at one-quarter the usual dose.
Among 18 patients, mean 24-hour systol"...
CONTRAINDICATED IN HEART FAILURE PATIENTS
PLETAL is contraindicated in patients with heart failure of any severity. Cilostazol and several of its metabolites are inhibitors of phosphodiesterase III. Several drugs with this pharmacologic effect have caused decreased survival compared to placebo in patients with class III-IV heart failure. (see CONTRAINDICATIONS.)
PLETAL (cilostazol) is a quinolinone derivative that inhibits cellular phosphodiesterase (more specific for phosphodiesterase III). The empirical formula of cilostazol is C20H27N5O2, and its molecular weight is 369.46. Cilostazol is 6-[4-(1-cyclohexyl-1H-tetrazol-5-yl)butoxy]-3,4-dihydro-2(1H)- quinolinone, CAS-73963-72-1.
The structural formula is:
Cilostazol occurs as white to off-white crystals or as a crystalline powder that is slightly soluble in methanol and ethanol, and is practically insoluble in water, 0.1 N HCl, and 0.1 N NaOH.
PLETAL (cilostazol) tablets for oral administration are available in 50 mg triangular and 100 mg round, white debossed tablets. Each tablet, in addition to the active ingredient, contains the following inactive ingredients: carboxymethylcellulose calcium, corn starch, hydroxypropyl methylcellulose 2910, magnesium stearate, and microcrystalline cellulose.
What are the possible side effects of cilostazol (Pletal)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have any of these serious side effects:
- severe headache;
- bloody urine, painful urination;
- fever, chills, body aches, flu symptoms;
- chest pain;
- feeling short of breath, even with mild exertion; or
- swelling of your ankles or feet.
Less serious side effects may include:
- fast or pounding heartbeats;
What are the precautions when taking cilostazol (Pletal)?
See also Warning section.
Before taking cilostazol, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: serious/active bleeding (such as bleeding ulcers, bleeding in the eye/brain), blood disorders (such as hemophilia, low platelet counts), heart disease (such as heart attack, chest pain, fast/irregular heartbeat), stroke, kidney disease.
This drug may make you dizzy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities...
Last reviewed on RxList: 9/26/2016
This monograph has been modified to include the generic and brand name in many instances.
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