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Drug Interactions between Cardizem CD and repaglinide

This report displays the potential drug interactions for the following 2 drugs:

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Interactions between your drugs

Moderate

dilTIAZem repaglinide

Applies to: Cardizem CD (diltiazem) and repaglinide

DilTIAZem may increase the blood levels of repaglinide. You may be more likely to experience side effects such as hypoglycemia, or low blood sugar, that can sometimes occur with the use of repaglinide. Symptoms of hypoglycemia include headache, dizziness, drowsiness, nervousness, weakness, tremor, nausea, hunger, sweating, and palpitation. The risk of other serious but uncommon side effects such as fluid retention, macular edema (swelling in the back of the eye), new or worsening heart failure, bone fractures, anemia, and liver problems may also be increased. You may need a dose adjustment or more frequent monitoring of your blood sugar and other tests to safely use both medications. Contact your doctor immediately if you experience blurred vision or other visual abnormalities; excessive or rapid weight gain; swelling in the ankles or legs; shortness of breath or difficulty breathing; unusual tiredness; chest pain or tightness; or worsening of existing heart problems. You should also seek prompt medical attention if you develop signs and symptoms of liver damage such as fever, chills, joint pain or swelling, unusual bleeding or bruising, skin rash, itching, loss of appetite, fatigue, nausea, vomiting, dark colored urine, light colored stools, and yellowing of the skin or eyes. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

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Drug and food interactions

Moderate

dilTIAZem food

Applies to: Cardizem CD (diltiazem)

Alcohol can lower your blood pressure and add to the effects of dilTIAZem. You may experience dizziness, lightheadedness, fainting, or a rapid heartbeat if you drink alcohol with dilTIAZem, especially when you first start taking the medication or just after a dose increase. Grapefruit juice may also increase the effects of dilTIAZem in some people by increasing its levels in the blood. You may want to limit alcohol intake and avoid excessive consumption of grapefruit and grapefruit juice during treatment with dilTIAZem. However, if you have been regularly consuming grapefruit or grapefruit juice with dilTIAZem, do not alter the amounts of these products in your diet without first talking to your doctor or other healthcare professional. Contact your doctor if your condition changes or you experience increased side effects of dilTIAZem such as headache, irregular heartbeat, swelling, unexplained weight gain, or chest pain. Orange juice is not expected to interact.

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Moderate

repaglinide food

Applies to: repaglinide

Grapefruit juice may increase the blood levels of certain medications such as repaglinide. You may want to limit your consumption of grapefruit and grapefruit juice during treatment with repaglinide. However, if you have been regularly consuming grapefruit or grapefruit juice with the medication, then it is advisable for you to talk with your doctor before changing the amounts of these products in your diet, as this may alter the effects of your medication. Contact your doctor if your condition changes or you experience increased side effects. Orange juice is not expected to interact.

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Moderate

dilTIAZem food

Applies to: Cardizem CD (diltiazem)

Using dilTIAZem together with multivitamin with minerals can decrease the effects of dilTIAZem. Talk with your doctor before using dilTIAZem and multivitamin with minerals together. You may need a dose adjustment or need your blood pressure checked more often if you take both medications. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

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Therapeutic duplication warnings

No warnings were found for your selected drugs.

Therapeutic duplication warnings are only returned when drugs within the same group exceed the recommended therapeutic duplication maximum.

See also

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Drug Interaction Classification

These classifications are only a guideline. The relevance of a particular drug interaction to a specific individual is difficult to determine. Always consult your healthcare provider before starting or stopping any medication.
Major Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit.
Moderate Moderately clinically significant. Usually avoid combinations; use it only under special circumstances.
Minor Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan.
Unknown No interaction information available.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

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