Tiazac XC is a brand name for the active ingredient diltiazem. This is prescribed to treat patients with high blood pressure. This medication lowers blood pressure to cut the patient’s risk of having a heart attack or stroke or of developing kidney problems. When a patient regularly takes Tiazac XC, it can help with the chest pain of angina, making episodes less severe as well as less common. This medication can also help patients to be able to exercise. It also increases the amount of blood and oxygen that get to the heart.

This medication is in a class of medicines called calcium channel blocker. It relaxes the blood vessels in the heart and the rest of the body. This allows blood to more easily move through the vessels. This lowers the pressure needed to make the blood flow, lowering blood pressure. This allows the heart to not work so hard to move the blood, helping with the chest pain many heart patients have. This medication is sometimes injected in hospitals to get control over irregular heart rhythms.

This medication is available as an extended release capsule. It may be used along with another blood pressure medication to make sure that the patient’s blood pressure is under good control. There is a generic form of this medication, diltiazem.

Precautions and Warnings of Tiazac

If you’re allergic to the active ingredient or any of the inactive ones, tell your doctor and don’t take this medication. If you’re taking ivabradine (Lancora) or dantrolene, don’t start taking this medication. If your blood pressure is very low or your heart rate is very low, you shouldn’t take it. You also shouldn’t take it if you have heart block, have left ventricular failure, sick sinus syndrome, or have had a past heart attack and you have trouble breathing.

Before you take this medication, tell your doctor about your full health history including any congestive heart failure, liver disease, or kidney disease. It’s possible for Tiazac XC to cause impaired thinking and slower reactions. This can mean that you can’t drive while using it. Before you drive, see how the medication affects you and your reaction speed.

Taking this medication is a part of a larger program of following a healthier lifestyle. Patients are advised to eat balanced, healthy meals and to get exercise regularly.  Even when you feel fine, keep taking this medication. High blood pressure often comes without any symptoms. Once you start this medication and you tolerate it well, you may be on it for the remainder of your life.

If you get low blood pressure, you may have symptoms such as weakness, dizziness, blurry vision, or fainting. If these happen, stop taking this drug and tell your doctor right away.

Because Tiazac XC can make you dizzy, don’t drink alcohol or consume marijuana while taking this medication. These can make the dizziness even worse. If you’re pregnant, you might have this medication prescribed to you for controlling your blood pressure, but the doctor may also decide that it’s too risky for you to take it. Sometimes, the doctor will look at the risks versus the rewards of taking this medication. It should not be taken while you’re breastfeeding. It passes into milk and may be harmful to an infant.

If you’re going to have any surgery, even oral surgery, tell the doctor that you take this drug. Older adults are often more sensitive to the drug and get more side effects from it, especially swelling of the feet or ankles, constipation, and dizziness.

Tiazac Side Effects

There are a lot of side effects that can be experienced by patients who take Tiazac XC, though many patients experience no side effects whatsoever. If you do experience side effects, they may be permanent, or they might go away once your body gets used to the medication.

Common Side Effects

Most of these symptoms are only mild, but if yours are severe or they’re bothering you, tell your doctor about them. You may need a different dosage or an alternate medication. Some of the common side effects include:

  • Headaches
  • Lightheadedness
  • Dizziness
  • Indigestion
  • Changes in taste
  • Flushing
  • Swelling from water retention
  • Greater sensitivity to UV rays
  • Low blood pressure
  • Vomiting
  • General unwell feeling
  • Weakness or tiredness
  • Eyes that are sore, irritated, or red
  • Cough
  • Sore throat
  • Stuffy nose

Serious Side Effects

There are some side effects that are more serious though much more rare. If you have these, you need to tell your doctor right away:

  • Wheezing or difficulty breathing
  • Vision problems
  • Skin rash
  • Chest pain
  • Fainting
  • Getting dizzy when you get up from a lying or sitting position
  • Rapid or irregular heartbeat
  • Slow heartbeat
  • Swelling in the lower legs, ankles, or feet
  • Worsening asthma
  • Symptoms of depression- trouble concentrating, suicidal thoughts, weight changes, sleep problems, and less interest in favorite activities
  • Symptoms of a heart problem- sudden weight gain, leg swelling, trouble breathing, chest pain, and a heartbeat that’s fast and irregular
  • Symptoms of liver trouble: Vomiting, yellowing of the eyes or skin, pale stools, dark urine, loss of appetite, and diarrhea
  • Signs of a heart block- irregular heartbeat, fainting, and lightheadedness
  • Signs of high blood sugar- unexpected weight loss, infections, more frequent urination, poor healing of wounds, being more thirsty, having fruity breath, and excessive hunger and eating

Severe Events

There are also severe events that can happen while you’re taking this medication. These require you to get medical attention immediately:

  • Symptoms of severe allergic reaction- trouble breathing, swelling of the throat or face, vomiting, nausea, and abdominal cramps
  • Symptoms of a heart attack- sweating, chest pressure or pain, nausea and vomiting, and pain that goes through the arm and shoulder
  • Symptoms of a serious skin reaction- a very large rash, a fast-spreading rash, a rash that comes with discomfort or a fever, peeling, and blistering

Tiazac Drug Interactions

Make sure that you keep your doctor up to date about which medications you’re taking, even if they’re over the counter. Some of the drugs that may interact poorly with Tiazac XC include:

  • Digitalis
  • Fingolimod
  • Digoxin
  • Macrolide antibiotics like erythromycin
  • Aprepitant
  • Fosaprepitant
  • Rifamycins like rifampin and rifabutin
  • Azole antifunglas like ketoconazole
  • John’s wort
  • Cimetidine
  • Buspirone
  • Lomitapide
  • Asunaprevir
  • Colchicine
  • Ivabradine
  • Benzodiazepines like midazolam and triazolam
  • Statins

Strengths and Dosages of Tiazac

This medication is available in capsule form in a number of different strengths. These include 120 mg, 180 mg, 240 mg, 300 mg, and 360 mg. The dosage that you’re supposed to take depends on a lot of factors that the doctor will consider. A typical starter dose when treating angina is generally between 120 mg to 180 mg every day. When it’s being used to treat high blood pressure, the starting dose is typically from 180 mg to 240 mg. In both cases, the dosage will likely be increased after a week or two until the dosage is at 360 mg daily.

Extended-release capsules:120 mg, 180 mg, 240 mg, 300 mg, 360 mg

Cost of Tiazac XC in America

There are various prices of this drug based on their strength. Individual pharmacies will also have their own prices for each one. For the 180 mg strength, a month’s supply costs about $132. The 240 mg strength costs about $172. There are also generics of this drug, and these are much less expensive.

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Tiazac Alternatives

There are a lot of other medications that treat angina and high blood pressure. Some of them include calcium channel blockers. These include Norvasc, Adalat XL, Verapamil, Plendil, and Cardiazem. Other alternatives include Toprol XL, hydrochlorothiazide, Cozaar, and Zestril.

FAQs of Tiazac

What is Tiazac XC?

This is an extended-release drug that’s classified as a calcium channel blocker. It relaxes the body’s blood vessels to make it easier for blood to flow through.

Why is Tiazac XC prescribed?

It’s used to treat angina, which is chest pain, and high blood pressure.

Are there any side effects of this medication?

Yes, there are many side effects that can happen to patients. These include feeling unwell, nausea, back pain, headaches, tiredness, and dizziness.

Can you take this medication while pregnant?

It’s possible to take it during pregnancy, though your doctor will have to weigh the possible risks with the benefits of keeping your blood pressure under control. It should not be taken while breastfeeding.

What forms does Tiazac XC come in?

It comes in extended-release capsules of various strengths.

Can you drink alcohol while on this medication?

It’s recommended that you not drink alcohol or use cannabis while taking Tiazac XC. It can worsen the dizziness that many people feel while taking this medication.

Do you have to take Tiazac XC with a meal?

It can be taken with or without food.

IMPORTANT NOTE: The information provided here is for educational purposes only and is not intended to serve as medical advice, diagnosis, or treatment recommendations. It should not be taken as an endorsement of any specific medication or treatment. Individual health conditions and responses to treatment can vary greatly; therefore, this information should not be seen as a guarantee of safety, suitability, or effectiveness for any particular individual. Always consult with a healthcare professional for personalized medical advice and before making any decisions regarding your health or treatment plans.

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