It's important to take Avaforce 50 mg as directed by a healthcare professional and not to exceed the recommended dosage. Like other medications in its class, Avanafil may cause side effects such as headache, flushing, nasal congestion, back pain, and dizziness. Serious side effects such as priapism (a prolonged and painful erection lasting more than four hours) are rare but require immediate medical attention.

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