FDA data Registry peer set 7 peers FDA shortage listed

Alternatives to diltiazem

FDA shortage status is active for diltiazem; 7 same-class SPL records are listed below for registry comparison only.

Brand: Cardizem, Tiazac

Calcium Channel Blocker Prescription 7 alternatives found

diltiazem class peers while FDA lists an active shortage

diltiazem (Cardizem, Tiazac) is on an FDA shortage listing while 7 other Calcium Channel Blocker SPL records remain in this registry peer set (class inventory 8). Labeled indication field for diltiazem: Diltiazem is used to treat high blood pressure.

Top FAERS reaction fields for diltiazem total 22,055 reports across 10 reactions, set beside amlodipine, felodipine, isradipine. Counts are exposure-weighted submissions, not per-patient risk.

About diltiazem

Diltiazem is a medicine that helps lower high blood pressure and prevent chest pain. It belongs to a class of drugs called calcium channel blockers.

Used for: Diltiazem is used to treat high blood pressure. It can be used alone or with other blood pressure medicines. Diltiazem also helps manage chronic stable angina (chest pain) and angina caused by spasms in the heart's blood vessels.

7 Calcium Channel Blocker peers (wide set)

amlodipine

Rx

Norvasc

This medicine treats high blood pressure (hypertension). Lowering blood pressure reduces the risk of strokes and heart attacks. Amlodipine also treats chest pain (angina) caused by coronary artery disease, including chronic stable angina and vasospastic angina.

felodipine

Rx

Plendil

Felodipine treats high blood pressure (hypertension). Lowering your blood pressure helps prevent strokes and heart attacks. It's important to also manage other risk factors like cholesterol, diabetes, and smoking. You may need more than one medicine to control your blood pressure.

isradipine

Rx

DynaCirc

Isradipine capsules are used to treat high blood pressure. You can take it alone or with a thiazide diuretic (water pill). It may take 2 to 4 weeks to see the full effect.

nicardipine

Rx

Cardene

Nicardipine treats chronic stable angina, which is chest pain that happens when you exert yourself. It can be used alone or with beta-blockers to manage this condition. Nicardipine also treats high blood pressure, and it can be used alone or with other blood pressure medications.

nifedipine

Rx

Procardia, Adalat

This medicine treats chest pain (angina) caused by tight blood vessels. It also treats high blood pressure. Lowering blood pressure reduces the risk of strokes and heart attacks.

nisoldipine

Rx

Sular

Nisoldipine extended-release tablets are used to treat high blood pressure. You can take them alone or with other blood pressure medicines. Lowering your blood pressure can reduce your risk of heart attack and stroke.

verapamil

Rx

Calan, Verelan

Verapamil is used to treat chest pain called angina. This includes angina that happens when you are resting or during normal activity. It is also used to control your heart rate if you have a fast or irregular heartbeat, such as atrial fibrillation or atrial flutter. Verapamil also treats high blood pressure.

Compare diltiazem vs amlodipine side-by-side →

diltiazem vs amlodipine & felodipine · FAERS reaction fields

FAERS top-reaction field "Fatigue" shows the widest count spread between diltiazem and amlodipine, felodipine, isradipine in this extract (13,059-report gap on that field). Counts are exposure-weighted submissions, not prevalence rates.

Side Effect diltiazem amlodipinefelodipineisradipine
Dyspnoea 3,202 13,218 952 31
Fatigue 2,638 15,697 1,051 16
Nausea 2,372 13,425 846 26
Pain 2,365 9,173 794 -
Dizziness 2,091 10,671 946 -
Diarrhoea 2,045 14,039 846 20
Fall 1,954 8,493 - 14
Headache 1,929 9,889 819 -

"-" means no reports for that reaction. Report counts reflect total FAERS submissions, not prevalence rates.

diltiazem shortage vs Calcium Channel Blocker peer index

Shortage status

FDA shortage listing is active for diltiazem (status: To Be Discontinued). Peer rows remain a registry index, not a switch guide.

Frequently Asked Questions

Does FDA list a shortage for diltiazem while peers remain indexed?
Yes - diltiazem matched an active FDA shortage listing (To Be Discontinued) while 7 other Calcium Channel Blocker SPL records remain in this peer index for field comparison only.

Registry note: Shortage listings and peer indexes are for registry orientation only. This information is for educational purposes only and is not a substitute for professional medical advice. Do not stop or change your medication without talking to your doctor or pharmacist.

Full diltiazem profile →

Field note for diltiazem: see also the generic vs brand label guide when reading Cardizem SPL strings.