Buccastem Side Effects

Updated February 12, 2018

Buccastem is a brand name available in the United Kingdom for the drug prochlorperazine, prescribed to control severe nausea and vomiting. Doctors also prescribe Buccastem to treat schizophrenia. Many side effects are possible.

Most Common Effects

The most common side effects associated with Buccastem are blurred vision, constipation, dizziness, drowsiness, dry mouth, erectile dysfunction, increased appetite and weight gain, low blood pressure, menstrual irregularities, nasal congestion and urination difficulty.

Tardive Dyskinesia

Buccastem is linked to development of tardive dyskinesia, which causes involuntary muscle spasms, jerking and twitching in the face and body. This side effect is more common among elderly women, and may be permanent.

Neuroleptic Malignant Syndrome

Buccastem also can cause a dangerous group of symptoms called neuroleptic malignant syndrome. Symptoms include excessive sweating, high fever, irregular or rapid heartbeat and rigid muscles.


Buccastem causes sensitivity to sunlight. When in sunshine, patients should use sunscreen and wear protective clothing and sunglasses.


Sudden discontinuation of Buccastem can cause withdrawal symptoms of nausea, vomiting, dizziness and trembling. Patients should discontinue the drug gradually under the care of a physician.

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About the Author

Shelley Moore is a journalist and award-winning short-story writer. She specializes in writing about personal development, health, careers and personal finance. Moore has been published in "Family Circle" magazine and the "Milwaukee Sentinel" newspaper, along with numerous other national and regional magazines, daily and weekly newspapers and corporate publications. She has a Bachelor of Science in psychology.