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Cardiac CareSide effects6 min read

Nicomni-5 Side Effects: What to Watch For

Nicomni-5: Nicorandil Tablets IP 5 mg

Headache is the best known early effect of nicorandil, and it often settles. This article explains common, less common and serious effects of Nicomni-5, and the warning signs that need prompt medical review.

Common Nicomni-5 side effects and what usually settles

Most side effects of nicorandil come from the same action that makes it useful. Widening blood vessels in the heart also widens them elsewhere in the body.

  • Headache is the effect people notice most, often within the first days. It is usually described as a throbbing fullness and it commonly eases as the body adjusts over one to two weeks. Starting at a modest strength such as 5 mg is one reason doctors begin gently
  • Flushing or a warm feeling in the face and neck
  • Dizziness or light headedness, particularly on standing up quickly from a bed or chair
  • Nausea and vomiting, which are often milder when the tablet is taken after food
  • Weakness or a feeling of tiredness
  • Palpitations, a sense of the heart beating faster

These effects are unpleasant rather than dangerous in most people, but they are still worth mentioning at your review. Do not stop the medicine on your own because of them.

Less common effects reported with nicorandil

Some effects appear less often and may not affect you at all.

  • A fall in blood pressure that causes fainting or near fainting
  • Rash, itching or other skin reactions
  • Abdominal discomfort or loose motions
  • Swelling of the face, lips or tongue, which needs urgent attention
  • Eye irritation or redness
  • Changes in blood tests, including liver related tests, which is one reason doctors sometimes order monitoring

Older people, people on several blood pressure lowering medicines and those who are dehydrated are generally more sensitive to the dizziness and low pressure effects. During a Karnataka summer or a long fast, taking care with fluids matters more than usual, within any limits your doctor has set.

The ulcer warning every nicorandil patient should know

This is the most important part of the article. Nicorandil is recognised as being associated with ulceration, and these ulcers can appear in several places.

  • Painful ulcers in the mouth, on the tongue or the inside of the cheek
  • Ulcers around the back passage, which people often mistake for piles or a fissure
  • Ulcers in the skin, around a stoma, or in the genital area
  • Ulcers deeper in the digestive tract, which in rare cases can lead to bleeding, an abnormal passage between organs or a perforation

These ulcers tend to be persistent and do not settle with the usual local treatments. They can appear months or even years after starting the medicine, so they are easy to blame on something else.

If a painful ulcer appears anywhere and does not heal in the normal way, tell your doctor that you take nicorandil. Do not simply keep treating it with a local ointment, and do not stop the tablet on your own either. The doctor decides what happens next.

Red flags that need urgent medical care

Seek medical help without delay if you notice:

  • Chest pain that is more severe, more frequent, longer lasting or present at rest, or that spreads to the jaw, arm or back with sweating and breathlessness
  • Fainting, or repeated near fainting on standing
  • Severe abdominal pain, vomiting blood, or black tarry stools
  • Swelling of the face, lips or tongue, or difficulty breathing
  • A non healing ulcer anywhere on the body
  • Yellowing of the eyes or skin, or unusually dark urine

In an Indian setting the practical step is to go to the nearest hospital with a casualty department and to carry the Nicomni-5 bottle or a photo of the label with you. Knowing the exact molecule and strength saves valuable time for the treating team.

How doctors manage side effects of Nicomni-5

Doctors have several ways to deal with side effects, and none of them involve the patient making the change alone.

For early headache, many doctors simply advise waiting a short while at a modest strength, since the effect often fades. They may adjust the timing of the dose or review other vessel widening medicines you take.

For dizziness, they may check blood pressure sitting and standing, look at the whole list of medicines and suggest getting up slowly from bed. For nausea, taking the tablet after food is a common suggestion.

For ulceration, the usual approach is prompt assessment. Because these ulcers often persist while the medicine continues, a doctor may consider changing treatment, and that decision is made by weighing your angina control against the problem.

Report side effects honestly, including ones that feel embarrassing. Suspected adverse reactions in India can also be reported through the Pharmacovigilance Programme of India, and your doctor or pharmacist can guide you.

This article is for general information only and is not a substitute for advice from a registered medical practitioner.

Frequently asked questions

Why does nicorandil cause headache?
The same vessel widening action that helps the heart also widens vessels in the head. The headache often eases within the first one to two weeks as the body adjusts.
Are mouth ulcers with Nicomni-5 serious?
They should always be reported to your doctor. Ulcers linked to nicorandil tend to persist and usually need a medical decision rather than a local ointment alone.
Do side effects mean the medicine is not working?
Not necessarily. Side effects and benefit are separate things, so let your doctor judge both together at follow up rather than stopping the tablet yourself.
Can I take a painkiller for the headache?
Ask your doctor or pharmacist first. Some painkillers used regularly may add to the risk of gut ulceration, so the choice should be a medical one.
Does everyone get side effects?
No. Many people take nicorandil with few problems, while others notice headache early on. Individual responses differ, which is why follow up matters.
Should I stop Nicomni-5 if I feel dizzy?
Do not stop on your own. Contact your doctor, who can check your blood pressure and review the rest of your medicines before deciding anything.

Need Nicomni-5 for your pharmacy, hospital or clinic?

EMK Omni Pharma supplies through authorised channels across Karnataka. Send an enquiry and our team will respond during business hours.

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Medical Disclaimer

This product information is intended for general awareness only and should not be considered medical advice. Please consult a registered medical practitioner before using any prescription medicine.