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  • High blood pressure (hypertension) is designated as either essential (primary) hypertension or secondary hypertension and is defined as a consistently elevated blood pressure exceeding 140/90 mm Hg.
  • High blood pressure is called "the silent killer" because it often causes no symptoms for many years, even decades, until it finally damages certain critical organs.
  • Poorly controlled high blood pressure ultimately can cause damage to blood vessels in the eye, thickening of the heart muscle and heart attacks, hardening of the arteries (arteriosclerosis), kidney failure, and strokes.
  • Most antihypertensive medications can be used alone or in combination. Some are used only in combination. Some are preferred over others in certain specific medical situations. And some are not to be used (contraindicated) in other situations.
  • Several classes of antihypertensive medications are available, including ACE i...

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Tiazac

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Tiazac Drug Center

Medical Editor: John P. Cunha, DO, FACOEP

Tiazac (diltiazem hydrochloride) is used to treat hypertension (high blood pressure), angina (chest pain), and certain heart rhythm disorders. Tiazac is in a group of drugs called calcium channel blockers. This medication is available in generic form. Common side effects include dizziness, lightheadedness, weakness, nausea, flushing, and headache.

Doasge of Tiazac depends on the individual, their response to the medication and the condition being treated. Usual starting doses are 120 to 240 mg once daily. Tiazac may interact with amiodarone, buspirone, carbamazepine, cimetidine, cyclosporine, digoxin, lovastatin, rifampin, quinidine, sedatives, antibiotics, antifungals, beta-blockers, or HIV/AIDS medicines. Tell your doctor all medications you are taking. Tiazac should be used only when prescribed during pregnancy. This drug passes into breast milk and may have undesirable effects on a nursing infant. Consult your doctor before breast-feeding.

Our Tiazac (diltiazem hydrochloride) Drug Center provides a comprehensive view of available drug information as well as related drugs, user reviews, supplements, and diseases and conditions articles.

What is Prescribing information?

The FDA package insert formatted in easy-to-find categories for health professionals and clinicians.

Tiazac Prescribing Information: Indications & Dosage

Tiazac® (diltiazem hydrochloride) Structural Formula Illustration

Hypertension

Tiazac (diltiazem hcl) is indicated for the treatment of hypertension. It may be used alone or in combination with other antihypertensive medications.

Chronic Stable Angina

Tiazac (diltiazem hcl) is indicated for the treatment of chronic stable angina.

Read the complete drug monograph for Tiazac »

What is Tiazac Prescribing Information?

Drug Description - Indications & Dosage - Side Effects & Drug Interactions - Warnings & Precautions - Contraindications - Medication Guide and More

What is Patient information?

Easy-to-read and understand detailed drug information and pill images for the patient or caregiver from Cerner Multum.

Tiazac Patient Information: Side Effects

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:

  • fast or slow heartbeats;
  • feeling light-headed, fainting;
  • fever, sore throat, and headache with a severe blistering, peeling, and red skin rash;
  • feeling short of breath, even with mild exertion;
  • swelling, rapid weight gain; or
  • nausea, stomach pain, low fever, loss of appetite, da...

Read the complete patient information for Tiazac »

What is Tiazac Patient Information?

Possible Side Effects - Images - What Is - How Should I Take It - What If I Miss a Dose - What Should I Avoid and More

What is Consumer information?

A concise overview of the drug for the patient or caregiver from First DataBank.

Tiazac Consumer Information: Uses

Diltiazem is used to treat high blood pressure (hypertension) and prevent chest pain (angina). Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems. When used regularly, diltiazem can decrease the number and severity of episodes of chest pain from angina. It may help increase your ability to exercise.

Diltiazem is called a calcium channel blocker. It works by relaxing blood vessels in the body and heart so blood can flow more easily. Diltiazem also lowers your heart rate. These effects help the heart work less hard and lower blood pressure.

Read the complete consumer information for Tiazac »

What is Tiazac Consumer Information?

Warnings - Uses - How to Use - Side Effects - Precautions - Drug Interactions and More

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© Tiazac Patient Information is supplied by Cerner Multum, Inc. and Tiazac Consumer information is supplied by First Databank, Inc., used under license and subject to their respective copyrights.

Additional Tiazac Information

Tiazac - User Reviews

Tiazac User Reviews

Now you can gain knowledge and insight about a drug treatment with Patient Discussions.

Here is a collection of user reviews for the medication Tiazac sorted by most helpful. Patient Discussions FAQs

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