How does sildenafil work

• Inhibits PDE 5

• Increase blood flow

• Gets penis hard

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Medication is taken 1 hour prior to sexual activity

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Common side effects include:
headache, stuffy nose

flushing , lightheadedness,

back pain, upset stomach.

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How tadalafil works

• Inhibits PDE 5

• Increase blood flow

• Gets penis hard

​

Medication can be taken as needed or daily.

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Common side effects include:

 headaches, indigestion, heartburn, back pain, muscle aches, facial flushing, nasal congestion, cold symptoms, dizziness, vision changes, and blood pressure changes.