Medicines & Supplements A to Z > Sulpiride


Last updated on 14/07/2021.

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


CHINESE NAME: 舒必利, 硫苯酰胺

BRAND NAME(S) IN HONG KONG: Gamotil, Sulpiren

DRUG CLASS: Antipsychotics

SUB CLASS: Atypical antipsychotics, Dopamine antagonists

USED FOR: Schizophrenia

– 50 mg, 100 mg, 200 mg (tablets)
– 50 mg (capsules)

What is Sulpiride for?

Sulpiride belongs to a class of medications called atypical antipsychotics. It blocks the excessive actions of dopamine in your brain to restore normal mood and behaviour. It is used to treat schizophrenia.

How to use it?

Sulpiride can be taken by mouth. It may be taken with or without food.

Adult and Child over 14 years
Initially 200-400 mg twice daily.
Predominantly positive symptoms: may increase dose to a maximum of 1,200 mg twice daily.
Predominantly negative symptoms: may use up to a total of 800 mg daily.
Mixed positive and negative symptoms: 400-600 mg twice daily.

Lower initial dose, adjust as required.

What are the side effects of Sulpiride?

Common side effects of Sulpiride include agitation, amenorrhoea, constipation, dizziness, drowsiness, dry mouth, erectile dysfunction, insomnia, parkinsonism, seizure, tremor and vomiting.

Who should not take Sulpiride?

– People allergic to Sulpiride or any component of the formulation
– Patients with central nervous system depression
– Patients with breast cancer or pituitary gland tumours

Pharmacist Tips:

– This medication may cause sedation. Avoid driving or operating machinery until you know how you respond to Sulpiride.
– Avoid alcohol use while taking this medication.

Common dosing schedule:
Sulpiride is taken twice daily. It may be taken with or without food.

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

Some common medications Sulpiride may interact with:
– Anticonvulsants, e.g. Phenobarbital, Phenytoin
– Medicines for lowering blood pressure, e.g. Atenolol, Verapamil
– Antacids

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

Where to buy Sulpiride in Hong Kong?

In Hong Kong, Sulpiride 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 Sulpiride 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.