Avana 200 mg is a high dosage of avanafil, which is primarily used for the treatment of erectile dysfunction (ED). Like any medication, Avana 200 mg can have potential side effects. Here are some of the commonly reported side effects:

1. Common Side Effects:

   • Headache
   • Flushing (warmth, redness, or tingling sensation)
   • Dizziness
   • Nasal congestion
   • Back pain
   • Nausea

2. Less Common Side Effects:

   • Blurred vision
   • Muscle pain
   • Indigestion
   • Sleep disturbances
   • Palpitations (awareness of heartbeat)
   • Rash or itching

3. Rare but Serious Side Effects:

   • Priapism (painful erection lasting longer than 4 hours)
   • Sudden hearing loss
   • Sudden vision loss
   • Allergic reactions (such as rash, itching/swelling, severe dizziness, trouble breathing)

It's important to note that not everyone experiences these side effects, and many people tolerate Avana (avanafil) well. However, if you experience any severe or persistent side effects, it's crucial to seek medical attention promptly.

Additionally, Avana 200 mg should not be taken with certain medications, especially those containing nitrates or used for pulmonary hypertension, as interactions can lead to severe hypotension (low blood pressure).

Always follow your healthcare provider's instructions regarding dosage and usage to minimize the risk of side effects.