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Stendra generic?

See the DrugPatentWatch profile for Stendra

Stendra is the brand name for the drug avanafil, a phosphodiesterase‑5 (PDE‑5) inhibitor used to treat erectile dysfunction (ED).
The generic version of the medication carries the same name—avanafil—and contains exactly the same active ingredient in the same strength.


Key Facts About Avanafil (Generic Stendra)

Topic Information
Generic Name Avanafil
Brand Names Stendra (USA), Avanex (some markets), and others in various countries
Class PDE‑5 inhibitor (same class as sildenafil, tadalafil, vardenafil)
Approved Indication Erectile dysfunction in men
Typical Dosages 100 mg (low‑dose), 200 mg (standard), 300 mg (high‑dose)
Typical Starting Dose 100 mg taken 30 minutes before anticipated sexual activity
Maximum Frequency Once daily (no more than once every 24 hours)
Onset of Action 15–30 minutes (faster onset than most other PDE‑5 inhibitors)
Duration About 4–5 hours of effective activity
Common Side Effects Headache, flushing, nasal congestion, indigestion, back pain, dizziness
Serious Risks Hypotension (especially with nitrates), priapism (rare), sudden vision loss (very rare)
Contraindications Concomitant use of nitrates or certain antihypertensive drugs; severe liver/kidney disease; recent stroke or heart attack (within 6 months)
Drug Interactions Nitrates, alpha‑blockers, CYP3A4 inhibitors/inducers can alter levels; avoid with strong nitrates
Pregnancy & Lactation Not studied in pregnant women; avoid if breastfeeding; potential risk to fetus
Special Populations Elderly: monitor for cardiovascular risk; Diabetics: careful with cardiovascular comorbidities
Insurance Coverage Many plans cover avanafil; generics often cheaper; check with insurer

How the Generic Differs (or Doesn’t)

  • Active Ingredient – Identical (avanafil 100 mg/200 mg/300 mg).
  • Excipients / Fillers – May vary slightly; usually no clinical difference.
  • Bioequivalence – Must be proven to match brand‑strength drug 80‑125% in absorption.
  • Pricing – Generics are typically 30‑70 % cheaper than the brand.
  • Availability – Some countries still use brand names exclusively; check local pharmacies.

Practical Tips for Patients

  1. Take on an Empty Stomach – For fastest onset, take avanafil 30–60 minutes before sex. Avoid large, fatty meals right before dosing.
  2. Do Not Double‑Dose – Taking more than 300 mg can increase side‑effect risk. If the first dose is ineffective, wait 24 hours and try again at a lower dose.
  3. Monitor Blood Pressure – If you have cardiovascular disease or take antihypertensives, check BP before use.
  4. Avoid Nitrates – Combining with nitroglycerin or other nitrate drugs can cause dangerous drops in blood pressure.
  5. Discuss Alcohol Use – Excessive alcohol can blunt efficacy and increase side‑effect risk.
  6. Seek Professional Advice – If you have kidney/liver disease, heart problems, or are on multiple medications, talk to your pharmacist or provider.

Where to Find the Generic

  • US – Most major pharmacies now stock generic avanafil tablets (100 mg/200 mg/300 mg). Look for labels “avanafil” with the manufacturer’s name.
  • Europe – Available in most EU countries, though some still use the brand name Stendra.
  • Other Regions – Check local drug compendia or national drug agencies for approval status and approved generic names.

Quick Reference: What to Do in a Medical Emergency

Situation Action
Sudden severe vision loss (e.g., loss of one eye’s sight) Seek emergency medical care immediately
Priapism (painful erection >4 hours) Call emergency services; early intervention can prevent permanent damage
Severe hypotension (light‑headedness, fainting) Stop taking medication and seek medical help if symptoms persist

Bottom Line

Stendra is the brand name for avanafil, and the generic version is simply avanafil. The generic offers the same therapeutic benefits, safety profile, and dosing instructions as the brand, but usually at a lower cost. Always follow your prescribing instructions and talk to a healthcare professional if you have any concerns or questions about taking the medication.



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