<p>Undesirable effects are more common during the 1st months after start of intake of Dienogest, and subside with duration of treatment. The following undesirable effects have been reported in users of Dienogest. The most frequently reported undesirable effects during treatment that were considered at least possibly related to Dienogest were headache (9%), breast discomfort (5.4%), depressed mood (5.1%) and acne (5.1%).</p>

<ul>
	<li>Nervous System Disorders: Headache, migraine.</li>
	<li>Cardiac Disorders: Uncommon: Unspecified circulatory system disorder, palpitations.</li>
	<li>Vascular Disorders: Uncommon: Hypotension.</li>
	<li>Gastrointestinal Disorders: Common: Nausea, abdominal pain, flatulence.</li>
	<li>Metabolism and nutrition disorders: Weight increase (3.6%)</li>
	<li>Psychiatric Disorders: Depressed mood, irritability, nervousness, altered mood.</li>
</ul>