<p>Adverse effects that occur frequently in patients receiving Carbidopa-Levodopa are those due to the central neuropharmacologic activity of dopamine. These reactions usually can be diminished by dosage reduction. The most common adverse effects are dyskinesias including choreiform, dystonic, and other involuntary movements and nausea.</p>

<ul>
	<li><strong>Body as a whole</strong>: syncope, chest pain, anorexia.</li>
	<li><strong>Cardiovascular</strong>: palpitation, orthostatic effects including hypotensive episodes, hypertension, phlebitis.</li>
	<li><strong>Gastrointestinal</strong>: vomiting, gastrointestinal bleeding, development of duodenal ulcer, diarrhoea, dark saliva.</li>
	<li><strong>Haemotologic</strong>: leukopenia, haemolytic and non-haemolytic anaemia, thrombocytopenia, agranulocytosis.</li>
	<li><strong>Hypersensitivity</strong>: angioedema, urticaria, pruritus, Henoch-Schonlein purpura.</li>
	<li><strong>Nervous System</strong>: dizziness, somnolence, paresthesia, delusions, hallucinations and paranoid ideation, depression with or without development of suicidal tendencies, dementia, dream abnormalities, agitation, confusion, increased libido.</li>
	<li><strong>Respiratory</strong>: dyspnea.</li>
	<li><strong>Skin</strong>: alopecia, rash, dark sweat.</li>
	<li><strong>Urogenital</strong>: dark urine.</li>
</ul>