Review: could Olanzapine cause Muscle Twitching?


Muscle twitching is found among people who take Olanzapine, especially for people who are female, 60+ old , have been taking the drug for < 1 month, also take medication Lorazepam, and have Schizophrenia . We study 14,167 people who have side effects while taking Olanzapine from FDA and social media. Among them, 37 have Muscle twitching. Find out below who they are, when they have Muscle twitching and more.

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Olanzapine has active ingredients of olanzapine. It is often used in schizophrenia. (latest outcomes from Olanzapine 14,075 users)

Muscle Twitching

Muscle twitching has been reported by people with breathing difficulty, memory loss, confusional state, insomnia, stress and anxiety (latest reports from 11,804 Muscle twitching patients).

On Aug, 23, 2016

14,167 people reported to have side effects when taking Olanzapine.
Among them, 37 people (0.26%) have Muscle Twitching

Number of reports submitted per year:

Could Olanzapine cause Muscle twitching?

Time on Olanzapine when people have Muscle Twitching *:

  • < 1 month: 50 %
  • 1 - 6 months: 0.0 %
  • 6 - 12 months: 50 %
  • 1 - 2 years: 0.0 %
  • 2 - 5 years: 0.0 %
  • 5 - 10 years: 0.0 %
  • 10+ years: 0.0 %

Gender of people who have Muscle Twitching when taking Olanzapine *:

  • female: 61.11 %
  • male: 38.89 %

Age of people who have Muscle Twitching when taking Olanzapine *:

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 3.03 %
  • 20-29: 27.27 %
  • 30-39: 3.03 %
  • 40-49: 24.24 %
  • 50-59: 6.06 %
  • 60+: 36.36 %

Severity if Muscle Twitching when taking Olanzapine **:

  • least: 100 %
  • moderate: 0.0 %
  • severe: 0.0 %
  • most severe: 0.0 %

Top conditions involved for these people *:

  • Schizophrenia (8 people)
  • Oesophagitis (5 people)
  • Hypothyroidism (5 people)
  • Delusion (5 people)
  • Asthma (5 people)

Top co-used drugs for these people *:

  • Lorazepam (10 people)
  • Clozapine (7 people)
  • Clonazepam (6 people)
  • Primaspan (5 people)
  • Prednisolone (5 people)

* Approximation only. Some reports may have incomplete information.

** Reports from social media are used.

How to use the study: print a copy of the study and bring it to your health teams to ensure drug risks and benefits are fully discussed and understood.

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