Tiazac and Alcohol/Food Interactions
There is 1 alcohol/food/lifestyle interaction with Tiazac (diltiazem).
Diltiazem Food
Moderate Food Interaction
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.
Switch to professional interaction data
Tiazac drug interactions
There are 713 drug interactions with Tiazac (diltiazem).
Tiazac disease interactions
There are 9 disease interactions with Tiazac (diltiazem) which include:
- aortic stenosis
- bradyarrhythmia/AV block
- cardiogenic shock/hypotension
- coronary artery disease
- liver disease
- CHF/AMI
- accessory AV tracts
- ventricular tachycardia
- renal dysfunction
More about Tiazac (diltiazem)
- Tiazac consumer information
- Check interactions
- Compare alternatives
- Pricing & coupons
- Reviews (3)
- Drug images
- Side effects
- Dosage information
- During pregnancy
- Generic availability
- Drug class: calcium channel blockers
- Breastfeeding
- En español
Related treatment guides
Drug Interaction Classification
Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit. | |
Moderately clinically significant. Usually avoid combinations; use it only under special circumstances. | |
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. | |
No interaction information available. |
See also:
Spironolactone
Spironolactone is a potassium-sparing diuretic that is primarily used to treat heart failure, high ...
Furosemide
Furosemide is a loop diuretic used to treat fluid retention and high blood pressure by increasing ...
Ozempic
Learn about Ozempic (semaglutide) for type 2 diabetes treatment, weight management, cardiovascular ...
Carvedilol
Carvedilol (Coreg) is used to treat heart failure and hypertension (high blood pressure). Includes ...
Aspirin
Aspirin is used to treat mild to moderate pain and to reduce fever or inflammation. Learn about ...
Metoprolol
Metoprolol is used to treat angina (chest pain) and hypertension (high blood pressure). Learn about ...
Losartan
Losartan is used to treat high blood pressure (hypertension). It is also used to lower the risk of ...
Hydrochlorothiazide
HCTZ (hydrochlorothiazide) used to treat high blood pressure (hypertension) and edema. Includes ...
Jardiance
Jardiance (empagliflozin) is used to treat type 2 diabetes, chronic kidney disease and reduce the ...
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.