Actiq Side Effects

As with any medication, patients have reported side effects associated with Actiq use. Most commonly reported side effects are not serious. If you experience any non-serious side effects, continue taking your medication and notify the prescribing doctor if the side effects become troublesome or if they persist. The most common side effects associated with Actiq use are:

  • Anxiety
  • Confusion
  • Depression
  • Dizziness
  • Headache
  • Nausea
  • Rash
  • Sleepiness
  • Trouble Sleeping
  • Vomiting
  • Weakness

Immediately discontinue Actiq and seek medical assistance if you experience any serious side effects. Serious side effects include:

  • Severe Allergic Reactions
  • Blurred Vision or Other Vision Problems
  • Chest Pain
  • Confusion
  • Fainting
  • Fast, Slow or Irregular Heartbeat
  • Hallucinations
  • Mood or Mental Changes Such As Depression)
  • Mouth Sores, Ulcers, Bleeding, or Inflammation
  • Seizure
  • Severe Drowsiness
  • Severe Dry Eyes, Mouth or Skin
  • Severe or Persistent Dizziness or Headache;
  • Severe or Persistent Stomach Pain
  • Shortness of Breath
  • Slow or Shallow Breathing
  • Trouble Urinating
  • Unusual or Severe Weakness or Tiredness

The adverse reactions to Actiq are typical of any opioids. These side effects usually decrease in intensity or stop altogether with continued use at proper doses. The most serious side effect is respiratory problems potentially leading to stopped breathing, circulatory depression, dangerously low blood pressure and shock. Physicians should expect side effects and treat patients accordingly.

Actiq may cause nervous system side effects, including mental and respiratory depression, especially in the elderly. Respiratory depression is a condition where the lungs do not adequately exchange oxygen and carbon dioxide, characterized by slow or shallow breathing. Coughing may occur. Other nervous system side effects include stupor, acute confusion, extreme drowsiness and feelings of sadness. Muscle rigidity may occur, potentially aggravating respiratory depression, especially if rigidity involves the glottis, or musculature in the throat. Muscle twitching in the upper body may occur

Actiq rarely causes high blood pressure, slow or irregular heartbeats. Gastrointestinal side effects include nausea, vomiting and constipation. Dental decay is possible when consuming Actiq suckers or lozenges that contain sugar. Narcotics such as Actiq may cause urinary retention. Localized rashes are associated with Actiq patch use, especially near the area of application.

Sudden cessation of Actiq may cause withdrawal symptoms in opioid dependent people. Fast tapering may cause side effects such as abdominal cramps, agitation, anxiety, insomnia, tremor, blurred vision, restlessness, vomiting and sweating.

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