What is Diltiazem?

Category: Prescription Drugs

Most popular types: Cartia XT Cardizem Diltiazem ER Show all

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Diltiazem is a type of medication known as a calcium-channel blocker. It may be used to treat high blood pressure (also known as hypertension), certain types of angina (chest pain), and abnormal heart rhythms such as atrial fibrillation.

Reported purpose & perceived effectiveness
Purpose Patients Evaluations Perceived Effectiveness
Elevated blood pressure 110 52
Atrial fibrillation 60 26
Pulmonary hypertension 14 2
Tachycardia (fast heart rate) 12 26
High blood pressure (hypertension) 11 8

Show all 59 reasons taken


  • Major
  • Moderate
  • Slight
  • None
  • Can't tell

Side effects

Side effects as an overall problem

Side effects as an overall problem
Severity Evaluations
Severe 6
Moderate 17
Mild 17
None 98

Commonly reported side effects and conditions associated with Diltiazem

Side effect Patients
Fatigue 5
Dizziness 3
Nausea 3
Excessive bleeding 2
Headaches 2
Weight gain 2

Show all 41 reported side effects

Dosages

Based on patients currently taking Diltiazem

Dosage Patients
120 mg daily 16
180 mg daily 8
240 mg/24 hours daily 8
240 mg daily 8
120 mg/24 hours daily 6
60 mg daily 3
180 mg/24 hours daily 3
30 mg daily 2
120 mg twice daily 2
300 mg daily 2

See all 23 dosages

Why patients stopped taking Diltiazem

Multiple reasons could be selected

Reason Patients
Doctor's advice 34
Did not seem to work 12
Course of treatment ended 11
Other 11
Side effects too severe 10
Expense 2
Personal research 2
See all 61 patients who've stopped taking Diltiazem

Duration

Currently taking Diltiazem

Duration Patients
Less than 1 month 1
1 - 6 months 7
6 months - 1 year 5
1 - 2 years 8
2 - 5 years 14
5 - 10 years 24
10 years or more 13

Stopped taking Diltiazem

Duration Patients
Less than 1 month 8
1 - 6 months 13
6 months - 1 year 11
1 - 2 years 8
2 - 5 years 12
5 - 10 years 6
10 years or more 3
Adherence
Adherence Evaluations
Always 124
Usually 6
Sometimes 3
Never taken as prescribed 5
Burden
Burden Evaluations
Very hard to take 3
Somewhat hard to take 5
A little hard to take 7
Not at all hard to take 123
Cost per month
Cost per month Evaluations
$200+ 0
$100-199 1
$50-99 4
$25-49 1
< $25 79
Not specified 53

What people switch to and from

Patients started taking Diltiazem after stopping:

Treatment Patients
Metoprolol (Metoprolol Tartrate) 10
Amlodipine (Norvasc) 4
Atenolol (Tenormin) 2
Hydrochlorothiazide HCTZ (Hydrochlorot) 2
Nifedipine (Procardia XL) 2

Show all 16 treatments patients report switching from

Patients stopped taking Diltiazem and switched to:

Treatment Patients
Amlodipine (Norvasc) 2
Atenolol (Tenormin) 2
Nifedipine (Procardia XL) 2
Amiodarone (Arycor) 1
Bisoprolol (Concor Cor) 1

Show all 12 treatments patients report switching to

Last updated:

14 patient evaluations for Diltiazem

Jul 15, 2013 (Started Jul 01, 2007)

  • Effectiveness
    None (for elevated blood pressure)
  • Side effects
    None
  • Adherence
    Never taken as prescribed
  • Burden
    Not at all hard to take
Dosage: 240 mg/24 hours Daily
Cost: < $25 monthly

  • 0 helpful marks

Mar 20, 2013 (Started Apr 06, 2010)

  • Effectiveness
    Major (for cramps in legs)
  • Effectiveness
    Moderate (for fibromyalgia)
  • Side effects
    Mild (sexual dysfunction)
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 120 mg Daily
Cost: < $25 monthly

Feb 22, 2012 (Started Apr 06, 2010)

  • Effectiveness
    Slight (for fibromyalgia)
  • Effectiveness
    Major (for cramps in legs)
  • Side effects
    Moderate (sexual dysfunction)
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 120 mg Daily
Advice & Tips: I have found that this medication helps keep the cramps away from my legs. I went from having major cramps to the point of waking up in the middle of the night screaming to having very little. I also found that it has helped me keep my blood pressure down (which it is actually supposed to be for) when my other medications would normally bring my blood pressure high. I will admit I still have a very high heart rate, but my blood pressure is normal. So it helps maintain, or counter act, the side effects of a few of my other medications.
Cost: < $25 monthly

Sep 19, 2011 (Started Apr 06, 2010)

  • Effectiveness
    Slight (for fibromyalgia)
  • Effectiveness
    Major (for cramps in legs)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 120 mg Daily
Advice & Tips: With taking this medication for the cramps that I get in my legs, if I forget even one dose I know about it, so it really does help to take it like it says and then you don't have to worry about those cramps you get from having severe fibro.
Cost: < $25 monthly

Jul 24, 2010 (Started Apr 06, 2010)

  • Effectiveness
    Slight (for fibromyalgia)
  • Effectiveness
    Major (for cramps in legs)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 120 mg Daily
Advice & Tips: I really don't have much to say about this medication. Other than the fact that it tells me to take it every six hours, regardless. But I have found that it works just as well when I just take it four times a day rather than watching the clock for every six hours to come. :)
Cost: < $25 monthly

  • 0 helpful marks

Feb 23, 2012 (Started Feb 15, 2010)

  • Effectiveness
    Moderate (for Prinzmetal angina)
  • Side effects
    Mild (orthostatic hypotension)
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 180 mg/24 hours Daily
Cost: < $25 monthly
Side effects: orthostatic hypotension

  • 0 helpful marks
Last updated:
Showing 3 of 14 patient evaluations for Diltiazem