Chloral Hydrate
Chloral hydrate is no longer available in the United States.
🔔 Why is this medication prescribed?
Chloral hydrate, a sedative, is used in the short-term treatment of insomnia (to help you fall asleep and stay asleep for a proper rest) and to relieve anxiety and induce sleep before surgery. It is also used after surgery for pain and to treat alcohol withdrawal.
This medication is sometimes prescribed for other uses; ask your doctor or pharmacist for more information.
🔔 How should this medicine be used?
Chloral hydrate comes as a capsule and liquid to take by mouth and as a suppository to insert rectally. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Take chloral hydrate exactly as directed. Do not take more or less of it or take it more often than prescribed by your doctor.
The liquid should be added to a half glass of water, fruit juice, or ginger ale and you should drink it immediately.
Swallow the capsule whole with a full glass of water or fruit juice; do not chew the capsule.
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To use the suppository, follow these steps:
- Remove the wrapper.
- Dip the tip of the suppository in water.
- Lie down on your left side and raise your right knee to your chest. (A left-handed person should lie on the right side and raise the left knee.)
- Using your finger, insert the suppository into the rectum, about 1/2 to 1 inch (1.25 to 2.5 centimeters) in infants and children and 1 inch (2.5 centimeters) in adults. Hold it in place for a few moments.
- Stand up after about 15 minutes. Wash your hands thoroughly and resume your normal activities.
Chloral hydrate can be habit-forming; do not take a larger dose, take it more often, or for a longer period than your doctor tells you to. Continue to take chloral hydrate even if you feel well. Do not stop taking chloral hydrate without talking to your doctor, especially if you have taken large doses for a long time. Your doctor probably will decrease your dose gradually.
🔔 What special precautions should I follow?
Before taking chloral hydrate,
- tell your doctor and pharmacist if you are allergic to chloral hydrate, aspirin, tartrazine (a yellow dye in some processed foods and drugs), or any other drugs.
- tell your doctor and pharmacist what prescription and nonprescription medications you are taking, especially anticoagulants (‘blood thinners’) such as warfarin (Coumadin), antihistamines, furosemide (Lasix), medications for depression or seizures, sedatives, sleeping pills, tranquilizers, and vitamins.
- tell your doctor if you have or have ever had kidney or liver disease, heart or stomach problems, a history of alcohol or drug abuse, or asthma.
- tell your doctor if you are pregnant, plan to become pregnant, or are breast-feeding. If you become pregnant while taking chloral hydrate, call your doctor.
- if you are having surgery, including dental surgery, tell the doctor or dentist that you are taking chloral hydrate.
- you should know that this drug may make you drowsy. Do not drive a car or operate machinery until you know how this drug affects you.
- remember that alcohol can add to the drowsiness caused by this drug.
🔔 What special dietary instructions should I follow?
Chloral hydrate may cause an upset stomach. Take chloral hydrate with food or milk.
🔔 What should I do if I forget a dose?
Do not take a missed dose when you remember it. Skip it completely; then take the next dose at the regularly scheduled time.
🔔 What side effects can this medication cause?
Chloral hydrate may cause side effects. Tell your doctor if any of these symptoms are severe or do not go away:
- drowsiness
- upset stomach
- vomiting
- diarrhea
If you experience any of the following symptoms, call your doctor immediately:
- skin rash
- itching
- confusion
- difficulty breathing
- slow heartbeat
- extreme tiredness
If you experience a serious side effect, you or your doctor may send a report to the Food and Drug Administration’s (FDA) MedWatch Adverse Event Reporting program online (http://www.fda.gov/Safety/MedWatch) or by phone (1-800-332-1088).
🔔 What should I know about storage and disposal of this medication?
Keep this medication in the container it came in, tightly closed, and out of reach of children. Store it at room temperature, away from excess heat and moisture (not in the bathroom). Protect the liquid from light; do not freeze.
Unneeded medications should be disposed of in special ways to ensure that pets, children, and other people cannot consume them. However, you should not flush this medication down the toilet. Instead, the best way to dispose of your medication is through a medicine take-back program. Talk to your pharmacist or contact your local garbage/recycling department to learn about take-back programs in your community. See the FDA’s Safe Disposal of Medicines website (http://goo.gl/c4Rm4p) for more information if you do not have access to a take-back program.
It is important to keep all medication out of sight and reach of children as many containers (such as weekly pill minders and those for eye drops, creams, patches, and inhalers) are not child-resistant and young children can open them easily. To protect young children from poisoning, always lock safety caps and immediately place the medication in a safe location – one that is up and away and out of their sight and reach. http://www.upandaway.org
🔔 In case of emergency/overdose
In case of overdose, call the poison control helpline at 1-800-222-1222. Information is also available online at https://www.poisonhelp.org/help. If the victim has collapsed, had a seizure, has trouble breathing, or can’t be awakened, immediately call emergency services at 911.
🔔 What other information should I know?
Keep all appointments with your doctor.
If you have diabetes, use TesTape or Clinistix to test your urine for sugar. Do not use Clinitest because chloral hydrate can cause false results.
Do not let anyone else take your medication. Chloral hydrate is a controlled substance. Prescriptions may be refilled only a limited number of times; ask your pharmacist if you have any questions.
It is important for you to keep a written list of all of the prescription and nonprescription (over-the-counter) medicines you are taking, as well as any products such as vitamins, minerals, or other dietary supplements. You should bring this list with you each time you visit a doctor or if you are admitted to a hospital. It is also important information to carry with you in case of emergencies.
