You should not use this medicine if you have ever had an allergic reaction to chloral hydrate. You should not use chloral hydrate if you have liver or kidney disease, severe heart disease, gastritis (inflammation of the stomach), or stomach ulcers.
Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.
Avoid drinking alcohol or taking any medicine that could make you sleepy such as cold or allergy medicines, sleeping pills, other sedatives, muscle relaxants, tranquilizers, or narcotic pain killers while taking chloral hydrate.
Make sure your doctor knows if you are taking Coumadin®.