Medicines & Supplements A to Z > Bromocriptine


Last updated on 13/07/2021.

Overview   |   Dosage   |    Side Effects   |   Precautions  |   Tips  |   Where To Buy  

GENERIC NAME: Bromocriptine



DRUG CLASS: Antiparkinsonian agents

SUB CLASS: Dopamine agonists

USED FOR: Parkinson’s disease, Hyperprolactinemia, Acromegaly

– 2.5mg (tablets)

What is Bromocriptine for?

Bromocriptine belongs to a class of medications called dopamine agonists. It works in the same way as dopamine on the nervous system to control body movements and regulate hormone release. Therefore, it can be used to treat Parkinson’s disease and hyperprolactinemia.

On the other hand, it was once used to treat acromegaly, which is a rare disease causing excessive growth of the body. However, it is not recommended anymore due to its low efficacy compared to other available treatments.

How to use it?

Bromocriptine is taken orally as tablets. 

For Parkinson’s disease:
1.25 mg once to twice daily, and can be increased by 2.5 mg daily in 2-4 weeks intervals if needed. Maximum daily dose is 100 mg.

For Hyperprolactinemia:
1.25 mg once to twice daily, and can be increased by 2.5 mg daily every 2-7 intervals if needed. Usual daily range is 2.5-15 mg.

For acromegaly (not recommended):
Initiate 1.25-2.5 mg at bedtime, and increase 1.25-2.5 mg every 3-7 days as needed. The usual daily range is 20-30 mg.

What are the side effects of Bromocriptine?

Common side effects of Bromocriptine include constipation, nausea, dizziness, headache, asthenia, rhinitis, and vomiting.

Who should not take Bromocriptine?

– People who are allergic to Bromocriptine, ergot alkaloids, or any component of the formulation
– Patients with uncontrolled hypertension
– Patients who are pregnant during therapy
– Postpartum women with a history of coronary artery disease or other severe cardiovascular conditions

Pharmacist Tips:

– Avoid driving or operating machinery until you know how you respond to Bromocriptine as it may cause drowsiness.
– Avoid drinking alcohol during the treatment.
– Do not stop taking Bromocriptine suddenly as it may worsen your symptoms.
– Some people taking this drug have fallen asleep during activities like driving, eating, or talking, and they did not feel sleepy and felt alert right before falling asleep. Immediately report the occurrence of falling asleep during activities of daily living.
– Some people may develop strong urges, such as gambling, compulsive eating, compulsive buying, and increased sex drive. If you or people around you notice that you are developing unusual behaviors, talk to your doctor.

Common dosing schedule:
Bromocriptine should be administered with food.

This schedule is for reference only, adjustments may be made according to individual needs.

Some common medications Bromocriptine may interact with:
– Dopamine antagonists, e.g. Metoclopramide, Domperidone
– Antipsychotics, e.g. Haloperidol, Olanzapine, Chlorpromazine
– Antifungals, e.g. Itraconazole, Ketoconazole
– Antibiotics, e.g. Erythromycin, Clarithromycin

Please notify your doctor or pharmacist if you are taking the above medication, dosage adjustments might be needed.

Where to buy Bromocriptine in Hong Kong?

In Hong Kong, Bromocriptine 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

Need more information?

For detailed information about the use of Bromocriptine 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.