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Tiazac (Diltiazem Hydrochloride ER)

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Full information about Tiazac

General Information on Tiazac

The generic name of Tiazac is diltiazem. This drug comes under the class of calcium channel blockers and is a preferred choice for conditions such as atrial fibrillation and atrial flutter. The mechanism of action of Tiazac is to slow down the rate of calcium flow within the heart and blood vessels. This also makes it easier for the heart to pump blood. Tiazac can be also used to treat hypertension and can be used as a solitary medication or combined with another antihypertensive. Tiazac is also effective in treating anginal symptoms. Diltiazem is a non-dihydropyridine, which means that it can decrease the heart rate. As a result, the drug can be useful for treating arrhythmias. Buy Tiazac under the guidance of a physician if you are suffering from the above-mentioned conditions.

Side effects of Tiazac

Tiazac sometimes has been reported to impair awareness and alertness. You need to be careful while driving or operating heavy machinery when have taken this drug. This product may contain inactive ingredients, which can cause allergic reactions, hives, difficulty breathing, swelling of your face, lips, tongue or throat fast or slow heart beats, feeling light-headed, fainting, fever, sore throat, feeling short of breath, even with mild exertion, swelling, rapid weight gain or stomach pain.


Tiazac is contraindicated if patients have certain cardiac conditions like sick sinus syndrome, atrioventricular block, hypotension and a recent myocardial infarction. For women who are pregnant or planning for pregnancy, before they buy Tiazac, they need to consult their doctor. Tiazac reportedly mixes with breast milk and can risk the health of the infant. Follow your diet, medication, and exercise routines very closely. Tiazac increases the risk of suffering from sunburns. You should wear protective clothing and use an SPF 30 or higher sunscreen lotion when you are outdoors. In cases of chronic Tiazac therapy, its usage should not be abruptly stopped, otherwise the symptoms may become worse.

Tiazac Dosage

Tiazac comes in 120 mg and 180 mg capsules and it is taken orally. The standard dose for treating hypertension or angina is Tiazac 120 mg to Tiazac 240 mg. Tiazac should be preferably taken three to four times a day by mouth before meals and the hour of sleep. For patients who have problems of swallowing Tiazac capsule, contents of Tiazac capsule can be mixed with applesauce and swallowed. Tiazac is also available in intravenous form and the patient should have continuous blood pressure and EKG monitoring while on diltiazem drip.


Grapes may interact with Tiazac and lead to potentially dangerous effects. Special precautions have to be taken when administering Tiazac along with digoxin as it tends to increase digoxin toxicity. When concurrent use is warranted, digoxin levels should be monitored frequently. Tiazac use is also contraindicated with use of several antiepileptic and anti-seizure medications, as it has been reported to cause toxicity. Intravenous diltiazem should be used cautiously with beta blockers because it can lead to dysrhythmia. There have been also reports of Tiazac interacting with some of the benzodiazepines, namely alprazolam (Xanax), diazepam (Valium) and clonazepam (Klonopin).

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