<p><strong>Erectile Dysfunction</strong>: For most patients the recommended starting dose is 10 mg. The dose may be increased to 20 mg or decreased to 5 mg based on requirement. The maximum dosing frequency is once daily. Tadalafil is effective for up to 36 hours.<br />
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<strong>Benign prostatic hyperplasia</strong>: The recommended dose is 5 mg taken at the same time every day.<br />
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<strong>Combined Erectile Dysfunction and Benign prostatic hyperplasia</strong>: The recommended dose is 5 mg at the same time every day.</p>