Quazepam Side Effects

It is possible that some side effects of quazepam may not have been reported. These can be reported to the FDA here. Always consult a healthcare professional for medical advice.

For the Consumer

Applies to quazepam: oral tablet

As well as its needed effects, quazepam may cause unwanted side effects that require medical attention.

If any of the following side effects occur while taking quazepam, check with your doctor immediately:

More common
  • Drowsiness
Less common
  • Dizziness
Rare
  • Anxiety
  • dry mouth
  • hyperventilation
  • increased muscle spasm
  • irregular heartbeats
  • irritability
  • nervousness
  • nightmares
  • restlessness
  • shaking
  • shortness of breath
  • trouble in sleeping
  • unusual excitement, nervousness, restlessness, or irritability
Incidence not known
  • Abdominal or stomach pain
  • changes in patterns and rhythms of speech
  • chills
  • clay-colored stools
  • dark urine
  • decrease in frequency of urination
  • decrease in urine volume
  • difficulty in passing urine (dribbling)
  • fever
  • headache
  • inability to move eyes
  • increased blinking or spasms of the eyelid
  • itching
  • loss of appetite
  • loss of bladder control
  • nausea
  • painful urination
  • rash
  • seizures
  • shakiness in the legs, arms, hands, or feet
  • sleeplessness
  • slurred speech
  • sticking out of the tongue
  • trembling or shaking of the hands or feet
  • trouble in breathing, speaking, or swallowing
  • unable to sleep
  • uncontrolled twisting movements of the neck, trunk, arms, or legs
  • unpleasant breath odor
  • unusual facial expressions
  • unusual tiredness or weakness
  • vomiting of blood
  • yellow eyes or skin

If any of the following symptoms of overdose occur while taking quazepam, get emergency help immediately:

Symptoms of overdose
  • Change in consciousness
  • loss of consciousness
  • mood or mental changes
  • sleepiness or unusual drowsiness

Some quazepam side effects may not need any medical attention. As your body gets used to the medicine these side effects may disappear. Your health care professional may be able to help you prevent or reduce these side effects, but do check with them if any of the following side effects continue, or if you are concerned about them:

Less common
  • Acid or sour stomach
  • belching
  • heartburn
  • indigestion
  • stomach discomfort, upset, or pain
Incidence not known
  • Decreased interest in sexual intercourse
  • inability to have or keep an erection
  • increased in sexual ability, desire, drive, or performance
  • increased interest in sexual intercourse
  • loss in sexual ability, desire, drive, or performance
  • menstrual changes
  • sweating
  • vomiting

For Healthcare Professionals

Applies to quazepam: oral tablet

Nervous system

The manufacturer reports that the following effects have been observed rarely and generally only at high doses: hypokinesia, ataxia, confusion, incoordination, hyperkinesia, speech disorder and tremor. In addition, depression, nervousness, anxiety, amnesia, behavioral changes, agitation, and psychotic-like syndromes have been reported rarely.

Nervous system side effects have been common. Most frequently they have included drowsiness, sedation, daytime somnolence, headache, and dizziness.

Other

Other side effects have included tolerance to the pharmacologic effects of benzodiazepines and withdrawal symptoms after either abrupt cessation or fast tapering of quazepam. Symptoms have included agitation, restlessness, anxiety, depression, insomnia, tremor, abdominal discomfort, blurred vision, vomiting, sweating, and seizures.

Gastrointestinal

Gastrointestinal side effects have included dyspepsia, dry mouth, nausea, and constipation.

Genitourinary

Genitourinary side effects have included urinary retention, incontinence and changes in libido.

Disclaimer: Every effort has been made to ensure that the information provided is accurate, up-to-date and complete, but no guarantee is made to that effect. In addition, the drug information contained herein may be time sensitive and should not be utilized as a reference resource beyond the date hereof. This material does not endorse drugs, diagnose patients, or recommend therapy. This information is a reference resource designed as supplement to, and not a substitute for, the expertise, skill , knowledge, and judgement of healthcare practitioners in patient care. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate safety, effectiveness, or appropriateness for any given patient. Drugs.com does not assume any responsibility for any aspect of healthcare administered with the aid of materials provided. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the substances you are taking, check with your doctor, nurse, or pharmacist.

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