What are the potential side effects of Parkinson’s disease medications in Australia?

August 18, 2024

The Parkinson’s Protocol™ By Jodi Knapp Parkinson’s disease cannot be eliminated completely but its symptoms can be reduced, damages can be repaired and its progression can be delayed considerably by using various simple and natural things. In this eBook, a natural program to treat Parkinson’s disease is provided online. it includes 12 easy steps to repair your body and reduce the symptoms of this disease. The creator of this program has divided into four segments to cover a complete plan to treat this disease along with improving your health and life by knowing everything about this health problem. The main focus of this program is on boosting the levels of hormone in your brain by making e a few easy changes in your lifestyle, diet, and thoughts


What are the potential side effects of Parkinson’s disease medications in Australia?

Parkinson’s disease medications are essential in managing the symptoms, but they can come with potential side effects. These side effects can vary depending on the type of medication, the dosage, and the individual. Below are the most commonly used Parkinson’s disease medications in Australia and their potential side effects:

1. Levodopa (often combined with carbidopa or benserazide)

Levodopa is the most effective treatment for Parkinson’s disease and is often prescribed in combination with other medications to help reduce side effects.

Potential Side Effects:

  • Nausea and Vomiting: Particularly at the beginning of treatment.
  • Orthostatic Hypotension: A drop in blood pressure when standing, leading to dizziness or fainting.
  • Dyskinesias: Involuntary movements, often occurring after prolonged use of the medication.
  • Wearing Off/On-Off Phenomenon: The medication may become less effective between doses, causing symptoms to “wear off” before the next dose.
  • Hallucinations and Confusion: More common in older individuals or those with cognitive impairment.
  • Sleep Disturbances: Insomnia, vivid dreams, or daytime sleepiness.

2. Dopamine Agonists (e.g., Pramipexole, Ropinirole, Rotigotine)

These medications mimic dopamine’s action in the brain and can be used alone or with Levodopa.

Potential Side Effects:

  • Nausea and Vomiting
  • Drowsiness and Sudden Sleep Attacks: Unexpected and irresistible episodes of falling asleep during daily activities.
  • Impulse Control Disorders: Compulsive behaviors such as gambling, shopping, hypersexuality, or overeating.
  • Hallucinations and Delusions
  • Edema: Swelling of the legs or ankles.
  • Orthostatic Hypotension

3. MAO-B Inhibitors (e.g., Selegiline, Rasagiline)

These medications help block the breakdown of dopamine in the brain, thereby prolonging the effects of dopamine.

Potential Side Effects:

  • Nausea
  • Insomnia
  • Headache
  • Dizziness
  • Orthostatic Hypotension
  • Hallucinations (in some cases)

4. COMT Inhibitors (e.g., Entacapone, Opicapone)

These medications are often used alongside Levodopa to prolong its effect.

Potential Side Effects:

  • Diarrhea
  • Nausea
  • Dyskinesias
  • Urine Discoloration (orange-brown)
  • Liver Toxicity: Rare but possible with some COMT inhibitors like Tolcapone (no longer widely used due to this risk).

5. Amantadine

Amantadine is often prescribed to help manage dyskinesias or tremors in Parkinson’s.

Potential Side Effects:

  • Confusion and Hallucinations
  • Swelling of the Legs (Edema)
  • Livedo Reticularis: A purplish discoloration of the skin, usually on the legs.
  • Insomnia
  • Dry Mouth

6. Anticholinergics (e.g., Benztropine, Trihexyphenidyl)

These are sometimes used to treat tremor and rigidity, particularly in younger people with Parkinson’s.

Potential Side Effects:

  • Memory Impairment
  • Confusion
  • Constipation
  • Dry Mouth
  • Urinary Retention
  • Blurred Vision

7. Apomorphine

Apomorphine is used as a rescue therapy for sudden “off” periods where mobility is impaired.

Potential Side Effects:

  • Nausea and Vomiting: Often requires pre-treatment with anti-nausea medication.
  • Sleepiness
  • Confusion
  • Injection Site Reactions: If administered via injection, there can be localized irritation or nodules.

General Considerations:

  • Cognitive and Psychiatric Symptoms: Hallucinations, delusions, or paranoia can be exacerbated by Parkinson’s medications, especially in older patients or those with cognitive decline.
  • Gastrointestinal Issues: Nausea and constipation are common across many Parkinson’s medications.
  • Cardiovascular Symptoms: Hypotension and dizziness are frequent concerns due to the impact of these drugs on the autonomic nervous system.

Managing Side Effects:

  • Adjusting the dosage or timing of medications can help alleviate side effects.
  • Sometimes, switching to a different class of medications or adding a supplementary drug can reduce adverse effects.
  • It’s essential to regularly communicate with healthcare providers to monitor side effects and adjust the treatment plan as necessary.

If you’re concerned about a specific medication or potential side effects, a neurologist or Parkinson’s specialist can offer tailored advice based on the latest evidence and guidelines in Australia.


The Parkinson’s Protocol™ By Jodi Knapp Parkinson’s disease cannot be eliminated completely but its symptoms can be reduced, damages can be repaired and its progression can be delayed considerably by using various simple and natural things. In this eBook, a natural program to treat Parkinson’s disease is provided online. it includes 12 easy steps to repair your body and reduce the symptoms of this disease. The creator of this program has divided into four segments to cover a complete plan to treat this disease along with improving your health and life by knowing everything about this health problem. The main focus of this program is on boosting the levels of hormone in your brain by making e a few easy changes in your lifestyle, diet, and thoughts