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👤 Adult👶 Paediatric

Sildenafil

42 known interactions (3 severe)
4 brand names

Indications

  • Pulmonary arterial hypertension (initiated under specialist supervision)
  • Erectile dysfunction
  • Digital ulcers [associated with systemic sclerosis]

Drug Interactions

3 SevereModerate interactions

42 drug interactions identified for Sildenafil. Check the full interaction details, severity ratings, and clinical recommendations in the MedNext app.

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Safety Information

🤰Pregnancy guidance available
🤱Breastfeeding guidance available
🫘Renal impairment guidance
🫁Hepatic impairment guidance
⚠️Requires renal dose adjustment

Cautions

General cautions: Active peptic ulceration; anatomical deformation of the penis (e.g. angulation, cavernosal fibrosis, Peyronie's disease); autonomic dysfunction; bleeding disorders; cardiovascular di...

Side Effects

Common or very common Alopecia; anaemia; anxiety; cough; diarrhoea; dizziness; fluid retention; gastrointestinal discomfort; gastrointestinal disorders; headaches; increased risk of infection; insomni...

Full safety information, contraindications, and dosing available in the MedNext app.

Brand Names

Viagra(IN, PK, SA, AE, EG, ZA, NG)Suhagra(IN)+ 2 more in app
Mn

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In the MedNext App

  • Complete dosing regimens
  • Full interaction details & severity
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  • All 4 brand names
  • Dosing calculators
  • CME/CPD tracking
  • 40 language support
  • Offline access

Source: MedNext Audited Proprietary Dataset

Last reviewed: 2026

Medical Disclaimer: This information is for educational purposes only and is not a substitute for professional medical advice. Always consult a qualified healthcare professional before making clinical decisions. Verify all drug information with current clinical guidelines.

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