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Temazepam Side Effects

Medically reviewed by Drugs.com. Last updated on Sep 27, 2022.

Applies to temazepam: oral capsule.

Important Warnings This medicine can cause some serious health issues

Oral route (Capsule)

Risks From Concomitant Use With Opioids; Abuse, Misuse, and Addiction; and Dependence and Withdrawal Reactions Concomitant use of benzodiazepines and opioids may result in profound sedation, respiratory depression, coma, and death.

Reserve concomitant prescribing of these drugs in patients for whom alternative treatment options are inadequate.

Limit dosages and durations to the minimum required.

Follow patients for signs and symptoms of respiratory depression and sedation.The use of benzodiazepines, including temazepam, exposes users to risks of abuse, misuse, and addiction, which can lead to overdose or death.

Abuse and misuse of benzodiazepines commonly involve concomitant use of other medications, alcohol, and/or illicit substances, which is associated with an increased frequency of serious adverse outcomes.

Before prescribing temazepam and throughout treatment, assess each patient’s risk for abuse, misuse, and addiction.The continued use of benzodiazepines, including temazepam, may lead to clinically significant physical dependence.

The risks of dependence and withdrawal increase with longer treatment duration and higher daily dose.

Abrupt discontinuation or rapid dosage reduction of temazepam after continued use may precipitate acute withdrawal reactions, which can be life-threatening.

To reduce the risk of withdrawal reactions, use a gradual taper to discontinue temazepam or reduce the dosage.

Serious side effects of temazepam

Along with its needed effects, temazepam may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur while taking temazepam:

Less common

  • false or unusual sense of well-being
  • fear or nervousness
  • mood or mental changes

Rare

  • chest tightness
  • difficult or labored breathing
  • fast, irregular, pounding, or racing heartbeat or pulse
  • large, hive-like swelling on face, eyelids, lips, tongue, throat, hands, legs, feet, or genitals
  • loss of appetite
  • loss of memory
  • nightmares
  • problems with memory
  • seeing, hearing, or feeling things that are not there
  • shakiness and unsteady walk
  • uncontrolled eye movements
  • unsteadiness, trembling, or other problems with muscle control or coordination
  • unusual excitement, nervousness, restlessness, or irritability
  • weight loss

Incidence not known

  • muscle cramps
  • seizures
  • shakiness in the legs, arms, hands, or feet
  • stomach cramps
  • sweating
  • trembling or shaking of the hands or feet
  • vomiting

Get emergency help immediately if any of the following symptoms of overdose occur while taking temazepam:

Symptoms of overdose

Other side effects of temazepam

Some side effects of temazepam may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.

Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

Less common

  • diarrhea
  • dry mouth
  • feeling of constant movement of self or surroundings
  • headache
  • nausea
  • sensation of spinning
  • unusual dullness or feeling of sluggishness

Rare

  • backache
  • burning eyes

For Healthcare Professionals

Applies to temazepam: oral capsule.

General

The most commonly reported side effects included drowsiness, headache, and fatigue.[Ref]

Nervous system

Lightheadedness, slurred speech, and unsteadiness usually occur at the start of treatment and disappear with repeated doses.[Ref]

Psychiatric

Dependence and numbed emotions usually occur at the start of treatment and disappear with repeated doses.[Ref]

Gastrointestinal

Other

Ocular

Double vision usually occurs at the start of treatment and disappears with repeated doses.[Ref]

Dermatologic

Hematologic

Hepatic

Genitourinary

Cardiovascular

Musculoskeletal

Muscle weakness usually occurs at the start of treatment and disappears with repeated doses.[Ref]

Respiratory

Respiratory depression usually occurs at the start of treatment and disappears with repeated doses.[Ref]

Metabolic

Renal

Hypersensitivity

Endocrine

References

1. (2001) "Product Information. Restoril (temazepam)." Sandoz Pharmaceuticals Corporation

2. Cerner Multum, Inc. "UK Summary of Product Characteristics."

3. Cerner Multum, Inc. "Australian Product Information."

Further information

Temazepam side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.