[3] Contraindications to this drug include allergic reactions to this drug or to any of its components, ischemic heart diseases, coronary artery diseases, valvular stenosis, aortic aneurysms and pericarditis.

Patients who have a previous medical history of kidney dysfunctions, liver damage, heart disorders and cerebro-vascular disorders must exercise caution while taking this medicine.

Dihydralazine must not be prescribed to patients who are elderly, and to breastfeeding women.

Caution must be exercised while prescribing this medicine to pregnant women.

Heartbeat problems and edema may occur as adverse effects.