Zyforma FC tablets
PDF Leaflet Revision Date: 06 November 2025
Clinical Summary
Quick overview from the medicine insert
Indication
Treatment of erectile dysfunction.
Dosage (summary)
50 mg as needed, 1 hour before sexual activity; max 100 mg/day.
Onset of Action / Duration
Onset: 30-60 mins, Duration: 4-6 hours
Special Populations
- Elderly patients
- Renal impairment
- Hepatic impairment
Pregnancy & Breastfeeding
Not indicated for women; limited data in pregnancy and lactation.
Key Drug Interactions
- Nitrates
- CYP3A4 inhibitors
- Alpha-blockers
Contraindications
- Hypersensitivity to sildenafil
- Concurrent use of nitrates
- Severe hepatic impairment
- Severe renal impairment
Common side effects
- Headache
- Dizziness
- Flushing
- Nasal congestion
Counselling Points
- Take 1 hour before sexual activity.
- Avoid nitrates and CYP3A4 inhibitors.
- Seek medical help for erections lasting over 4 hours.
Serious warnings
- Risk of priapism
- Cardiovascular risk
- Visual disturbances
Important Disclaimer
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