Isosorbide Dinitrate and Sildenafil: High risk — avoid combining interaction. Avoid combining these medicines. Sildenafil has documented drug-drug interactions in its FDA label. Sildenafil citrate can potentiate the hypotensive effects of nitrates, alpha blockers, and anti-hypertensives ( 4.1 , 5.5

Drug InteractionHigh Risk — AvoidAI-VerifiedCategory · general

Can I take Isosorbide Dinitrate with Sildenafil?

Isosorbide Dinitrate and Sildenafil should not be combined without explicit medical guidance. Sildenafil has documented drug-drug interactions in its FDA label. Sildenafil citrate can potentiate the hypotensive effects of nitrates, alpha blockers, and anti-hypertensives ( 4.1 , 5.5 , 7.1 , 7.2 , 7.3 , 12.

Reviewed by GoDavaii Editorial & Safety TeamSources CDSCO / WHO / NCBILast reviewed 4 Apr 2026
Isosorbide Di…MEDICINE ASildenafilMEDICINE B
Avoid combining
Do not combine

Quick verdict

No — avoid combining Isosorbide Dinitrate with Sildenafil.

Isosorbide Dinitrate and Sildenafil should not be combined without explicit medical guidance. Sildenafil has documented drug-drug interactions in its FDA label. Sildenafil citrate can potentiate the hypotensive effects of nitrates, alpha blockers, and anti-hypertensives ( 4.1 , 5.5 , 7.1 , 7.2 , 7.3 , 12.

How They Interact

The science in one sentence

Sildenafil has documented drug-drug interactions in its FDA label. Sildenafil citrate can potentiate the hypotensive effects of nitrates, alpha blockers, and anti-hypertensives ( 4.1 , 5.5 , 7.1 , 7.2 , 7.3 , 12.

Why this matters

Sildenafil has documented drug-drug interactions in its FDA label. Sildenafil citrate can potentiate the hypotensive effects of nitrates, alpha blockers, and anti-hypertensives ( 4.1 , 5.5 , 7.1 , 7.2 , 7.3 , 12.

What to do instead

NEVER combine

Why to Avoid

Simple rules that protect you

  • NEVER combine
  • Always tell your doctor/pharmacist about ALL medicines you take — prescriptions, OTC, supplements, and herbal products.
  • Keep a current medicine list with doses and timings — photo on your phone is enough.
  • Read medicine labels for timing (with food / empty stomach) before combining.
  • Do NOT combine Isosorbide Dinitrate with Sildenafil without explicit doctor approval.
  • Use GoDavaii AI to double-check before adding any new medicine, supplement, or desi ilaaj.

If you've already taken both medicines and feel unwell (unusual bleeding, severe stomach pain, confusion, breathing issues), get medical help now.

Emergency · 112
AI-Verified · Cross-checked against 93,000+ interaction database

Not medical advice

Individual responses vary based on dose, timing, health conditions, and other medicines. Always consult your doctor or pharmacist before combining medicines. For emergencies, call 112.

Frequently Asked Questions

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