Stemetil is one of the many brand names of prochlorperazine maleate, an antiemetic and antipsychotic drug. It is used to control severe nausea and vomiting, states Healthline.com. It is also used to treat schizophrenia and anxiety.
The drug carries a black box warning stating that it should not be given to elderly individuals with dementia-related psychosis due to an increased risk of death, according to EverydayHealth.com. In addition, it should not be used by those with heart, kidney or liver disease, intestinal blockage, breast cancer, leukemia, seizures, or glaucoma, says PDRHealth.com.
Stemetil may interact with thiazide diuretics, causing very low blood pressure, states EverydayHealth.com. It can also cause certain blood thinners to work less effectively. In addition, it can lengthen and intensify the effects of alcohol. Anti-seizure drugs may need to have their dose adjusted, notes EverydayHealth.com.
The most common side effects of Stemetil include drowsiness, dizziness, dry mouth, reduced ability to tolerate heat and cold, and sun sensitivity, according to Healthline.com. It may also cause headaches, rashes, trouble passing urine, sleep difficulties and sexual dysfunction.
Stemetil should not be stopped abruptly if it has been taken over a long time. Doing so can cause nausea, vomiting and dizziness, says Healthline.com.