OTC · No prescriptionAnti-anginal (Cardiovascular)

Nitrosun 5MG 10S — Side Effects & Warnings

Known side effects of Nitrosun 5MG 10S include Headache, dizziness, flushing, low blood pressure, lightheadedness on standing, nausea, weakness, fast heartbeat (palpitations). Not everyone experiences these side effects.

Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated July 2026

Common Side Effects

Headache
dizziness
flushing
low blood pressure
lightheadedness on standing
nausea
weakness
fast heartbeat (palpitations)

This is not an exhaustive list. Consult your doctor if you notice any unusual symptoms.

Important Warnings

Can cause sudden drop in blood pressure and fainting—use caution when standing up, especially in elderly. Severe headache is common. Do not use with PDE-5 inhibitors (sildenafil/tadalafil/vardenafil/avanafil) due to risk of life-threatening hypotension. Use with caution in hypotension, dehydration, severe anemia, increased intracranial pressure, hypertrophic cardiomyopathy, recent heart attack, or severe aortic stenosis. Seek emergency care if chest pain persists after prescribed doses.

Drug Interactions

Nitrosun 5MG 10S may interact with the following:

PDE-5 inhibitors (sildenafil
tadalafil
vardenafil
avanafil) – contraindicated; other antihypertensives (beta blockers
ACE inhibitors
calcium channel blockers)
diuretics
alcohol – additive hypotension; riociguat – contraindicated; ergot derivatives (e.g.
dihydroergotamine) – altered effects; tricyclic antidepressants/antipsychotics – additive hypotension

Always tell your doctor about all medicines you are taking, including over-the-counter drugs and supplements.

Pregnancy Safety

Consult doctor

Alcohol Interaction

Avoid

Habit Forming

Storage

Store below 25°C, protected from light and moisture. Keep in original tightly closed container/blister. Keep out of reach of children.

Nitrosun 5MG 10S — Safety Summary

Composition: Glyceryl trinitrate (Nitroglycerin) 5 mg tablet
Prescription: Not required (OTC)
Pregnancy: Consult doctor
Alcohol: Avoid
Habit forming: No

Nitrosun 5MG 10S — Safety FAQs

What should I do if I experience side effects?

Mild side effects often resolve on their own. If side effects are severe or persistent, stop the medicine and consult your doctor immediately.

Are all listed side effects common?

No. Some side effects are common while others are rare. Not everyone experiences side effects. Consult your doctor if you are concerned.

Can I take this medicine with other drugs?

Some medicines interact with each other. Always inform your doctor about all medicines you are currently taking.

When should I seek emergency help?

Seek immediate medical attention if you experience severe allergic reactions (difficulty breathing, swelling of face/throat), chest pain, or any life-threatening symptoms.

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Safety disclaimer

This information is for educational purposes only and is not a substitute for professional medical advice. If you experience severe side effects, seek medical attention immediately.