Zudena 100 mg is a udenafil tablet used mainly for erectile dysfunction in men. It helps improve blood flow to the penis during sexual stimulation and is usually taken about 30 minutes to 1 hour before sex. Key points It is a prescription medicine. It can be taken with or without food. It should not be taken more than once in 24 hours. Common side effects include headache, flushing, dizziness, blurred vision, muscle pain, stomach upset, and rash.
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