Metformin and Tadalafil: Low risk interaction. Can be taken together with caution. Tadalafil has documented drug-drug interactions in its FDA label. Tadalafil tablets can potentiate the hypotensive effects of nitrates, alpha-blockers, antihypertensives or alcohol . CYP3A4 inhibitors (e.g. ketoconazo

Drug InteractionSafe — Low RiskAI-VerifiedCategory · general

Can I take Metformin with Tadalafil?

Metformin and Tadalafil can generally be taken together with standard precautions. Tadalafil has documented drug-drug interactions in its FDA label. Tadalafil tablets can potentiate the hypotensive effects of nitrates, alpha-blockers, antihypertensives or alcohol . CYP3A4 inhibitors (e.g. ketoconazole, ritonavir) increase tadalafil exposure ( 2.7 , 5.10 , 7.

Reviewed by GoDavaii Editorial & Safety TeamSources CDSCO / WHO / NCBILast reviewed 18 May 2026
MetforminMEDICINE ATadalafilMEDICINE B
Can be combined
With standard precautions

Quick verdict

Yes — Metformin and Tadalafil can usually be combined.

Metformin and Tadalafil can generally be taken together with standard precautions. Tadalafil has documented drug-drug interactions in its FDA label. Tadalafil tablets can potentiate the hypotensive effects of nitrates, alpha-blockers, antihypertensives or alcohol . CYP3A4 inhibitors (e.g. ketoconazole, ritonavir) increase tadalafil exposure ( 2.7 , 5.10 , 7.

How They Interact

The science in one sentence

Tadalafil has documented drug-drug interactions in its FDA label. Tadalafil tablets can potentiate the hypotensive effects of nitrates, alpha-blockers, antihypertensives or alcohol . CYP3A4 inhibitors (e.g. ketoconazole, ritonavir) increase tadalafil exposure ( 2.7 , 5.10 , 7.

Why this matters

Tadalafil has documented drug-drug interactions in its FDA label. Tadalafil tablets can potentiate the hypotensive effects of nitrates, alpha-blockers, antihypertensives or alcohol . CYP3A4 inhibitors (e.g. ketoconazole, ritonavir) increase tadalafil exposure ( 2.7 , 5.10 , 7.

How to Use Smartly

Simple rules that protect you

  • 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.
  • Even 'safe' combinations need monitoring — note any unusual symptoms in the first few days.
  • Use GoDavaii AI to double-check before adding any new medicine, supplement, or desi ilaaj.
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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