Achtenon: A Comprehensive Guide to This Parkinson’s Disease and Anticholinergic Medication

Achtenon (biperiden hydrochloride) is a medication used to treat Parkinson’s disease and extrapyramidal side effects. This comprehensive guide provides valuable information about Achtenon, including its composition, uses, administration, dosage, contraindications, side effects, drug interactions, warnings, and storage.

What is Achtenon?

Achtenon belongs to a class of medications called anticholinergics. These medications work by blocking the effects of a chemical messenger in the brain called acetylcholine. Acetylcholine plays a crucial role in various bodily functions, including muscle movement.

In Parkinson’s disease patients, there’s a deficiency of dopamine in the brain, leading to movement disorders. Achtenon helps improve muscle movement by reducing the influence of acetylcholine, thereby allowing the remaining dopamine to exert its effect more effectively.

Uses of Achtenon

Achtenon is primarily used to treat:

  • Parkinson’s disease: It helps alleviate symptoms like tremors, rigidity, and slowness of movement.
  • Extrapyramidal side effects: These side effects can occur as a response to certain psychiatric medications, such as antipsychotics. Achtenon helps manage symptoms like muscle stiffness, tremors, and involuntary movements.


The usual adult dosage of Achtenon is one tablet (2mg) three or four times daily. Your doctor may adjust the dosage based on the severity of your symptoms and individual response. It’s crucial to follow your doctor’s instructions strictly when taking Achtenon. Do not take more or less than the prescribed dose or take the medication more or less frequently than recommended.


  • Preferably take Achtenon with food to minimize stomach upset.
  • Swallow the tablet whole with a glass of water. Do not chew or crush the tablet.
  • If you miss a dose, take it as soon as you remember.
  • Do not take a double dose to compensate for a missed dose.


Achtenon is not recommended for individuals with:

  • Hypersensitivity to biperiden hydrochloride or any other ingredient in the medication
  • Angle-closure glaucoma
  • Urinary tract obstruction
  • Acute prostatic hypertrophy
  • Acute ulcerative colitis
  • Myasthenia gravis
  • Pregnancy and breastfeeding

Side Effects

Achtenon may cause side effects, including:

  • Dry mouth
  • Constipation
  • Dizziness
  • Drowsiness
  • Blurred vision
  • Difficulty urinating
  • Sleep disturbances
  • Anxiety

If you experience any of these side effects or others, consult your doctor.

Drug Interactions

Achtenon can interact with some other medications, including:

  • Other anticholinergic medications
  • Tricyclic antidepressants
  • Antihistamines
  • Antipsychotics
  • Blood pressure medications

Inform your doctor about all medications you’re taking, including over-the-counter drugs and supplements, before starting Achtenon.


  • Achtenon may cause drowsiness, so exercise caution when driving or operating machinery.
  • Older adults should use Achtenon cautiously as they may be more susceptible to certain side effects, like dizziness and constipation.
  • Pregnant or breastfeeding women should consult their doctor before taking Achtenon.
  • Diabetic patients should closely monitor their blood sugar levels while taking Achtenon as the medication can affect blood sugar control.


  • Store Achtenon at room temperature (25°C).
  • Keep the medication away from children and pets.
  • Dispose of any expired medication properly.


Achtenon can be an effective medication for managing Parkinson’s disease and extrapyramidal side effects. It’s crucial to adhere to your doctor’s instructions carefully when taking Achtenon. Patients on Achtenon should inform their doctor about any other medications they’re taking, including over-the-counter drugs and supplements. Additionally, individuals with certain medical conditions, such as glaucoma, prostatic hypertrophy, and heart diseases, should discuss their suitability for Achtenon with their doctor.

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This blog post is for informational purposes only and should not be considered a substitute for professional medical advice. If you have any questions or concerns regarding Achtenon, consult your doctor or pharmacist.

References and other information about Actinone