1. Understanding Parkinson's Disease

   • Parkinson's disease is a progressive neurological disorder that affects movement. It occurs due to the loss of nerve cells in the brain that produce dopamine, a chemical essential for smooth and coordinated muscle activity.
   • Common symptoms include tremors, stiffness, slow movement, and balance difficulties. These symptoms tend to worsen gradually over time.

2. Role of Syndopa Plus (Levodopa-Carbidopa)

   • Levodopa is converted into dopamine in the brain, helping to replenish the reduced dopamine levels. Carbidopa prevents levodopa from breaking down before it reaches the brain, enhancing its effectiveness.
   • This combination helps improve movement control and reduce symptoms like tremors and stiffness.

3. Role of Pacitane (Trihexyphenidyl)

   • Trihexyphenidyl is used to control tremors and muscle stiffness by balancing certain neurotransmitters in the brain.
   • It complements levodopa-carbidopa by targeting symptoms that may not fully respond to dopamine replacement alone.

4. Possible Side Effects and Reasons for Feeling Unwell

   • Both Syndopa Plus and Pacitane can cause side effects such as dizziness, dry mouth, nausea, confusion, or worsening of symptoms in some cases.
   • Feeling unwell despite medication could also be due to disease progression, incorrect dosage, or other health issues unrelated to the drugs.

5. Managing Neck Pain in Parkinson's Disease

   • Neck pain may result from muscle rigidity, poor posture, or reduced mobility associated with Parkinson's.
   • Addressing this pain often requires physical therapy, exercises, or pain management strategies tailored to Parkinson’s patients.

6. Recommended Next Steps

   • It is important to consult a neurologist or Parkinson’s disease specialist to review your current treatment plan.
   • Medication adjustments or additional therapies might be necessary to better control symptoms and improve quality of life.
   • Physical therapy and pain management should be considered to address neck pain and maintain mobility.
   • Keep track of any new or worsening symptoms and report them promptly to your doctor.

Please seek advice from your neurologist to discuss your symptoms and treatment options in detail.To narrow down potential causes, we will need some more information.Please tell me your age and gender. I understand you're experiencing neck pain, have Parkinson's disease, and haven't been feeling well despite taking Syndopa Plus and Pacitane for a year.