Dalmane (Flurazepam) Patient Information

Find out why Dalmane is prescribed, side effects of Dalmane, Dalmane warnings, effects of Dalmane during pregnancy, more - in plain English.

Generic name: Flurazepam hydrochloride
Brand name: Dalmane

Pronounced: DAL-main

Dalmane (flurazepam) Full Prescribing Information

Why is Dalmane prescribed?

Dalmane is used for the relief of insomnia, defined as difficulty falling asleep, waking up frequently at night, or waking up early in the morning. It can be used by people whose insomnia keeps coming back and in those who have poor sleeping habits. It belongs to a class of drugs known as benzodiazepines.

Most important fact about Dalmane

Tolerance and dependence can occur with the use of Dalmane. You may experience withdrawal symptoms if you stop using this drug abruptly. Discontinue or change your dose only in consultation with your doctor.

How should you take Dalmane?

Take this medication exactly as prescribed.

--If you miss a dose...

Take the dose you missed as soon as you remember, if it is within an hour or so of the scheduled time. If you do not remember it until later, skip the dose you missed and go back to your regular schedule. Do not take 2 doses at once.

--Storage instructions...

Store away from heat, light, and moisture.

What side effects may occur when taking Dalmane?

Side effects cannot be anticipated. If any develop or change in intensity, inform your doctor as soon as possible. Only your doctor can determine if it is safe for you to continue taking Dalmane.

    • More common side effects of Dalmane may include: Dizziness, drowsiness, falling, lack of muscular coordination, light-headedness, staggering

    • Less common or rare side effects may include: Apprehension, bitter taste, blurred vision, body and joint pain, burning eyes, chest pains, confusion, constipation, depression, diarrhea, difficulty in focusing, dry mouth, exaggerated feeling of well-being, excessive salivation, excitement, faintness, flushes, genital and urinary tract disorders, hallucinations, headache, heartburn, hyperactivity, irritability, itching, loss of appetite, low blood pressure, nausea, nervousness, rapid, fluttery heartbeat, restlessness, shortness of breath, skin rash, slurred speech, stimulation, stomach and intestinal pain, stomach upset, sweating, talkativeness, vomiting, weakness

    • Side effects due to rapid decrease or abrupt withdrawal from Dalmane: Abdominal and muscle cramps, convulsions, depressed mood, inability to fall asleep or stay asleep, sweating, tremors, vomiting


Why should this drug not be prescribed?


If you are sensitive to or have had an allergic reaction to Dalmane or similar drugs such as Valium, you should not take this medication. Make sure your doctor is aware of any drug reactions you have experienced.

Special warnings about Dalmane

Dalmane will cause you to become drowsy or less alert; therefore, you should not drive or operate dangerous machinery or participate in any hazardous activity that requires full mental alertness after taking Dalmane.

If you are severely depressed or have suffered from severe depression, consult with your doctor before taking this medication.

If you have decreased kidney or liver function or chronic respiratory or lung disease, discuss use of this drug with your doctor.

Possible food and drug interactions when taking Dalmane

Alcohol intensifies the effects of Dalmane. Do not drink alcohol while taking this medication.

If Dalmane is taken with certain other drugs, the effects of either could be increased, decreased, or altered. It is especially important to check with your doctor before combining Dalmane with the following:

Antidepressants such as Elavil and Tofranil
Antihistamines such as Benadryl and Tavist
Barbiturates such as Seconal and phenobarbital
Major tranquilizers such as Mellaril and Thorazine
Narcotic painkillers such as Demerol and Tylenol with Codeine
Sedatives such as Xanax and Halcion
Tranquilizers such as Librium and Valium

Special information if you are pregnant or breastfeeding

Do not take Dalmane if you are pregnant or planning to become pregnant. There is an increased risk of birth defects. This drug may appear in breast milk and could affect a nursing infant. If this medication is essential to your health, your doctor may advise you to discontinue breastfeeding until your treatment with Dalmane is finished.

Recommended dosage for Dalmane


The usual recommended dose is 30 milligrams at bedtime; however 15 milligrams may be all that is necessary. Your doctor will adjust the dose to your needs.


Safety and effectiveness of Dalmane have not been established in children under 15 years of age.


Your doctor will limit the dosage to the smallest effective amount to avoid oversedation, dizziness, confusion, or lack of muscle coordination. The usual starting dose is 15 milligrams.


Any medication taken in excess can cause symptoms of overdose. If you suspect an overdose of Dalmane, seek medical attention immediately.

  • The symptoms of Dalmane overdose may include: Coma, confusion, low blood pressure, sleepiness

back to top

Dalmane (flurazepam) Full Prescribing Information

Detailed Info on Signs, Symptoms, Causes, Treatments of Anxiety Disorders

back to: Psychiatric Medication Patient Information Index

APA Reference
Staff, H. (2009, January 3). Dalmane (Flurazepam) Patient Information, HealthyPlace. Retrieved on 2024, June 18 from

Last Updated: January 24, 2019

Medically reviewed by Harry Croft, MD

More Info