Medicines & Supplements A to Z > Dopamine
Last updated on 04/08/2021.
GENERIC NAME: Dopamine
CHINESE NAME: 多巴胺
BRAND NAME(S) IN HONG KONG: Myotil, Dopamine BASi
DRUG CLASS: Inotropic agents
SUB CLASS: Catecholamine
USED FOR: Acute heart failure
AVAILABLE DOSAGE FORMS:
– 40 mg/ml, 200 mg/5ml (injections)
What is Dopamine for?
Dopamine belongs to a class of medications called inotropic agents with the ability of acting on both adrenergic and dopaminergic receptors. It can improve the force of contraction of the heart. Dopamine is used for treating acute heart failure.
How to use it?
Dopamine is injected through a needle into a vein as directed by your doctor. Your doctor will advise you on the dosage and frequency depending on your acute heart failure.
Acute heart failure
Adult and elderly
The initial dose is 2-5 mcg/kg/min, increased up to 5-10 mcg/kg/min adjusted according to your conditions, including your blood pressure, heart output and urine output. For the more severe ones, a dose of 20-50 mcg/kg/min may be used.
What are the side effects of Dopamine?
Common side effects of Dopamine include slower heartbeats, anxiety, headache, increased blood glucose, frequent urination and difficulty in breathing.
Who should not take Dopamine?
– People allergic to sulphites or any component of the formulation.
– Patients with pheochromocytoma.
– Patients with uncorrected tachyarrhythmias.
– Patients with ventricular fibrillation.
– Coronary artery bypass surgery may be needed if your condition is severe.
Common dosing schedule:
The intravenous injection is infused as directed by your physicians until the parameter reaches its target, for instance, when your blood pressure returns to normal.
This schedule is for reference only, adjustments may be made according to individual needs.
Some common medications Dopamine may interact with:
– Alpha-1 blockers, e.g. Prazosin, Terazosin, Doxazosin
– COMT inhibitors, e.g. Entacapone, Tolcapone, Opicapone
– Sympathomimetics, e.g. Amphetamines, Pseudoephedrine
– Monoamine oxidase inhibitors, e.g. Selegiline, Rasagiline, Phenelzine
– Tricyclic antidepressants, e.g. Amitriptyline, Nortriptyline, Imipramine
Dopamine may interact with many other medications. Please notify your doctor or pharmacist if you are taking the above medication, dosage adjustments might be needed.
Where to buy Dopamine in Hong Kong?
In Hong Kong, Dopamine is a prescription only medicine, and requires a prescription from a doctor to be purchased in a pharmacy. It can also be obtained from doctors. To find a pharmacy near you, refer to the list of pharmacies (“Authorized Sellers of Poisons”) from the Hong Kong Department of Health.
For more information about drug names and ingredients, you can visit Hong Kong’s Drug Office at https://www.drugoffice.gov.hk
Need more information?
For detailed information about the use of Dopamine in children, pregnancy and breastfeeding, and for questions about drug interactions, please check with your pharmacist or doctor.
Disclaimer: our goal is to provide you with the most relevant drug information and common dosage for Hong Kong. This information does not constitute medical advice. For specific treatment recommendations and advice, always discuss with your doctor or pharmacist, and follow the instructions included with your specific medicine.