You are always at risk of suffering from side effects every time you take a drug. Side effects are unwanted responses following use of a certain medication within recommended doses. They can be server or mild, permanent or temporary.

The severity of the side effects depends on a number of factors include dosage, route of administration and prevailing health conditions. However, extent of the problems caused depends on the action taken afterward. Knowing the side effects of a drug will give you an advantage should take it by mistake or overdose.

Zopiclone is a sedative-hypnotic drug. It is mainly used in inducing sleep. It results to uncoordinated movements, confusion and susceptibility to falls in elderly patient. This effect is less common in the younger generations.

Common side effects

With prolonged used, withdrawal symptoms are experienced upon discontinuation of the drug. The symptoms vary and may include.

  • Sweating
  • Rebound insomnia
  • Confusion
  • Headache
  • Agitation and delirium
  • Seizures may occur but in rare cases.
  • Patients on zopiclone complain of a metallic or bitter taste in the mouth.
  • Drowsiness is common and you should not operate machinery or drive while on this medication. 

Less Common Zopiclone Side Effects

Cardiovascular system

Palpitation. This is experienced more in the elderly. 

Dermatological side effects

  • Tingling sensation
  • Urticaria
  • Nervous system
  • Depression agitation
  • Nightmares
  • Retrograde amnesia
  • Tremor
  • Aggression
  • Dizziness
  • Behavioral
  • Disorders
  • Euphoria
  • Hallucination
  • Hypotonia
  • Speech disorder
  • Asthenia
  • Weakness
  • Somnolence

Gastrointestinal effects

  • Epigastric pains
  • Heartburn
  • Vomiting
  • Constipation
  • Vomiting
  • Diarrhea
  • Increased appetite
  • Coated tongue
  • Anorexia
  • Bad breath. 


  • Ejaculation failures
  • Blurred vision
  • Impotence
  • Altered micturition 

Drug interactions

Use of zopiclone with central depressants and alcohol will result to further depression of the nervous system. This can eventually lead to death or prolonged coma. 


Depression of the central nervous systems in varying degrees is the main effect witnessed following over-dosage of zopiclone. For people who are not able to maintain normal breathing patterns on their own, medical attention has to be sought with immediate effect. Proper drug labeling and confirming the dosage before intake is important to avoid mistakes.

It has been noted that the number of adults getting zopiclone without prescription is high. To note is that the drug is addictive and caution should be exercised in its usage. Taking it on a regular basis with no cause should not be entertained. The long time effects are not desirable and you may have to be rehabilitated eventually.