Skip to content
Imdur

Imdur

Isosorbide Mononitrate

Isosorbide mononitrate tablets for angina. It widens veins, reducing the heart's workload and the need for oxygen.

All strengths and pack prices
StrengthPackPricePer unit
20mg180 tablets$104.00$0.58
20mg270 tablets$132.00$0.49
20mg360 tablets$160.00$0.44
30mg30 tablets$37.00$1.23
30mg60 tablets$58.00$0.97
30mg90 tablets$77.00$0.86
30mg120 tablets$94.00$0.78
30mg180 tablets$126.00$0.70
30mg360 tablets$229.00$0.64
40mg30 tablets$85.00$2.83
40mg60 tablets$147.00$2.45
40mg90 tablets$197.00$2.19
40mg120 tablets$248.00$2.07
40mg270 tablets$487.00$1.80
60mg90 tablets$87.00$0.97
60mg120 tablets$110.00$0.92
60mg180 tablets$150.00$0.83
60mg270 tablets$211.00$0.78
60mg360 tablets$252.00$0.70
Active ingredient
Isosorbide Mononitrate
Route
Oral use
Form
Tablet
Strengths
20mg · 30mg · 40mg · 60mg

Imdur is the reference name. You receive a generic with the same active ingredient and strength.

No prescription needed: we place your order for Imdur on your behalf.

Alternative names
isosorbide mononitrate
Therapeutic class
Vasodilator
Pharmacological class
Organic Nitrate
Contraindications
concurrent use of PDE5 inhibitors; severe anaemia; shock
Minor side effects
headache; dizziness; flushing
Moderate side effects
orthostatic hypotension; tachycardia; nausea
Serious side effects
severe cardiovascular collapse, requires immediate medical attention
Dosage forms
Tablet
Administration route
Oral use
Originator
AstraZeneca
Onset time
1 hour
Duration
12–24 hours
Storage instructions
Store below 25°C.
Drug interactions
Sildenafil; Alcohol; Antihypertensives
Age restrictions
Approved for adults.
Patient summary

Isosorbide mononitrate tablets for angina. It widens veins, reducing the heart's workload and the need for oxygen.

Mechanism of action

Relaxes vascular smooth muscle via release of nitric oxide, dilating systemic veins and decreasing myocardial oxygen demands.

Pregnancy and breastfeeding

Pregnancy: Use if potential benefits outweigh risks. Breastfeeding: Consult a clinician.

FAQ

Will I receive the original Imdur?

No. Imdur is the original brand, made by AstraZeneca, and Direct Meds uses the name to identify the medicine: you receive a generic with the same active ingredient (isosorbide mononitrate) at the strength you choose. The generic brand and manufacturer depend on available stock.

How much does Imdur cost in South Africa?

It depends on the strength and pack. Imdur comes in 20mg, 30mg, 40mg and 60mg strengths, in packs of 30 to 360 tablets, and the price of every option is shown above. Prices are set in US dollars and converted. Larger packs cost less per tablet.

Payment and prices →

What is Imdur used for?

Imdur contains isosorbide mononitrate, used for angina pectoris.

When does Imdur start working?

Isosorbide mononitrate usually starts to work within 1 hour, and its effect lasts about 12 to 24 hours. How quickly it works can differ from one person to another.

Does Imdur have side effects?

Yes. The common side effects of isosorbide mononitrate are headache, dizziness and flushing. Less common ones include orthostatic hypotension, tachycardia and nausea. Serious but less common side effects include severe cardiovascular collapse, which needs urgent medical attention.

Can I drink alcohol with Imdur?

Alcohol can interact with isosorbide mononitrate, so check with a doctor or pharmacist before you drink while taking Imdur.

Which medicines interact with Imdur?

Isosorbide mononitrate can interact with sildenafil and antihypertensives. Tell your doctor or pharmacist about every medicine you take before you start taking Imdur.

Do I need a prescription to buy Imdur in South Africa?

No, not online: Direct Meds does not ask for a prescription to order Imdur. We are a broker, not a dispensing pharmacy. We arrange orders and delivery with our affiliated supplier on your behalf.

Ordering without a prescription →

Can I buy Imdur online in South Africa?

Yes. Our affiliated supplier delivers across South Africa. Estimated delivery is 7 days with Express Delivery, which includes online tracking, or up to 3 weeks with Regular Delivery.

How ordering works →

What you will receive

Imdur names the medicine you are looking for. What ships is a generic version of it.

  • A generic containing Isosorbide Mononitrate at the strength you pick.
  • Which generic brand and maker ships depends on stock and destination.
  • Check the active ingredient, strength, form, pack, seal, batch and expiry when it arrives.

How we compare medicine brands and generics