It's essential to use Vigora 50 as directed by a qualified healthcare professional. The appropriate dosage and usage instructions may vary depending on individual health factors, so it's crucial to follow the recommendations of your healthcare provider.Like all medications, Vigora 50 may have potential side effects and contraindications. Common side effects may include headaches, flushing, indigestion, nasal congestion, and dizziness. However, not everyone experiences side effects, and they are often mild and temporary.