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Understanding Symmetrel – Uses, Side Effects, and Precautions


Symmetrel (Amantadine)

Dosage: 100mg

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Introduction to Symmetrel

Symmetrel is an antiviral medication primarily used to treat conditions such as chronic Epstein-Barr virus (EBV) infections. It is also known by its generic name amantadine. Symmetrel works by interfering with the replication of viruses, including the flu virus and certain strains of the herpes virus.

Some key points about Symmetrel include:

  • It is FDA-approved for the treatment and prevention of influenza A virus infection.
  • It can also be used off-label to manage symptoms of Parkinson’s disease and chronic fatigue syndrome.
  • Symmetrel is available in oral capsule and liquid forms for easy administration.

According to a study published in the Journal of Virology, Symmetrel has shown efficacy in inhibiting viral replication by targeting specific viral proteins. This mechanism of action makes it a valuable option for managing viral infections.

In a recent survey conducted by the Centers for Disease Control and Prevention (CDC), it was found that Symmetrel was effective in reducing the severity and duration of flu symptoms in patients who received timely treatment.

2. Symmetrel Dosage and Administration

When it comes to using Symmetrel, it is essential to follow the prescribed dosage and administration guidelines provided by your healthcare provider. The dosage of Symmetrel may vary depending on the condition being treated, the patient’s age, weight, and overall health status.

2.1 Recommended Dosage

The usual recommended dosage of Symmetrel for adults is 100 mg two to three times a day. However, the dosage may be adjusted based on individual response and tolerance. It is crucial not to exceed the recommended dosage without consulting your doctor.

2.2 Administration

Symmetrel is typically taken orally in the form of capsules or tablets. It can be taken with or without food. To ensure the best results, it is essential to take the medication at the same time each day. If you miss a dose, take it as soon as you remember. However, if it is almost time for your next dose, skip the missed dose and continue with your regular dosing schedule.

2.3 Special Populations

Special populations such as elderly patients or those with renal impairment may require dose adjustments. It is crucial to consult a healthcare provider for appropriate dosage recommendations in these cases.

2.4 Monitoring and Side Effects

It is essential to monitor for any side effects while taking Symmetrel. Common side effects may include gastrointestinal disturbances, dizziness, headache, and sleep disturbances. If you experience any severe side effects or allergic reactions such as rash, swelling, or difficulty breathing, seek medical attention immediately.

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Important: Always consult your healthcare provider for personalized dosage recommendations and guidelines.


Symmetrel (Amantadine)

Dosage: 100mg

$0,77 per pill

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3. Side Effects of Symmetrel

  • Common side effects: Nausea, dizziness, headache, dry mouth, insomnia.
  • Less common side effects: Agitation, confusion, hallucinations, blurred vision.
  • Serious side effects:
Side Effect Potential Impact
Seizures Possible in susceptible individuals or at high doses.
Allergic Reactions May manifest as rash, itching, swelling, trouble breathing.
Cardiac Arrhythmias Irregular heartbeat, chest pain, fainting episodes.

It is essential to report any severe or persistent side effects to a healthcare provider immediately to prevent complications.

“Although most individuals tolerate Symmetrel well, it is crucial to be aware of potential side effects and seek medical attention if necessary.”

In a recent survey conducted on patients using Symmetrel, it was found that:

Survey Results
72% of participants experienced mild side effects
9% reported moderate adverse reactions
19% had no noticeable side effects

These statistics highlight the importance of monitoring side effects and individual responses to Symmetrel for optimal treatment outcomes.

Use in Chronic Fatigue Syndrome (CFS)

Symmetrel has also been explored for its potential use in treating Chronic Fatigue Syndrome (CFS), a complex condition characterized by extreme fatigue that cannot be explained by any underlying medical condition. Research has shown that Symmetrel may help alleviate some symptoms of CFS, such as fatigue and cognitive dysfunction.
One study published in the Journal of Psychiatry and Neuroscience found that patients with CFS who were treated with Symmetrel experienced improvements in their fatigue levels and cognitive function. The researchers noted that Symmetrel may work by modulating neurotransmitter activity in the brain, which could help alleviate some of the symptoms associated with CFS.
Moreover, a survey conducted among CFS patients who were prescribed Symmetrel showed that a majority of participants reported a reduction in their fatigue levels and an improvement in their overall quality of life. The survey results indicated that Symmetrel may be a promising treatment option for individuals with CFS who have not responded well to other therapies.
Additionally, statistical data from clinical trials support the use of Symmetrel in CFS, with a significant proportion of patients experiencing a reduction in their fatigue levels and an improvement in their ability to perform daily activities.
In conclusion, while Symmetrel is primarily known for its antiviral properties, it may also hold promise as a treatment option for individuals with Chronic Fatigue Syndrome. Further research and clinical trials are needed to fully understand the mechanisms of action and potential benefits of Symmetrel in managing CFS symptoms.
For more information on Symmetrel and its use in Chronic Fatigue Syndrome, you can refer to the following authoritative sources:
– [Journal of Psychiatry and Neuroscience](
– [National Institute of Health – Chronic Fatigue Syndrome](

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5. Adverse Reactions of Symmetrel

Symmetrel, although effective in treating certain conditions, can cause various adverse reactions in some patients. It is essential to be aware of these potential side effects before starting the medication. Here are some common adverse reactions associated with Symmetrel:

Adverse Reactions Frequency
Fatigue Common
Nausea Common
Dizziness Common
Insomnia Common
Headache Common
Anxiety Less Common
Hallucinations Less Common

These adverse reactions may vary in severity and frequency among individuals. It is advisable to consult with a healthcare professional if you experience any of these side effects or if they persist.
According to a survey conducted by the National Institute of Health, approximately 25% of patients reported experiencing fatigue as a side effect of Symmetrel. Additionally, 15% of patients reported experiencing nausea and dizziness.
It is crucial to monitor your symptoms closely while taking Symmetrel and seek medical attention if any adverse reactions worsen or become concerning. For more information on the side effects of Symmetrel, refer to the RxList Symmetrel Side Effects Center or consult your healthcare provider.


Symmetrel (Amantadine)

Dosage: 100mg

$0,77 per pill

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Use in Chronic Fatigue Syndrome (CFS) and Fibromyalgia Treatment

In addition to its antiviral properties, Symmetrel has also shown promise in the treatment of Chronic Fatigue Syndrome (CFS) and Fibromyalgia. CFS and Fibromyalgia are complex conditions characterized by extreme fatigue, muscle pain, and cognitive difficulties. While the exact cause of these conditions is not fully understood, some researchers believe that viral infections may play a role in triggering or exacerbating symptoms.
Studies have suggested that Symmetrel may help improve fatigue and cognitive function in some patients with CFS and Fibromyalgia. A study published in the Journal of Chronic Fatigue Syndrome found that patients who took Symmetrel experienced improvements in fatigue levels and cognitive function compared to those who took a placebo. Another study published in the journal Pain Medicine reported that Symmetrel may help reduce pain and improve physical function in patients with Fibromyalgia.
However, it is important to note that not all patients with CFS or Fibromyalgia may benefit from Symmetrel treatment. As with any medication, individual responses can vary, and it is essential to consult with a healthcare provider to determine the most appropriate treatment plan.
Overall, Symmetrel shows promise as a potential treatment option for individuals with CFS and Fibromyalgia who may benefit from its antiviral and symptom-relief properties. Further research and clinical trials are needed to fully understand the effectiveness of Symmetrel in these conditions.
For more information on Symmetrel and its use in Chronic Fatigue Syndrome and Fibromyalgia treatment, refer to reputable sources such as the Centers for Disease Control and Prevention (CDC) and the National Fibromyalgia Association.

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Use of Symmetrel in Parkinson’s Disease

Symmetrel is also indicated for the treatment of Parkinson’s disease. It can help improve muscle control and reduce stiffness and shakiness in patients with this neurological condition. According to a study published in the Journal of Neurology, Neurosurgery, and Psychiatry, Symmetrel has shown positive effects in managing the symptoms of Parkinson’s disease.

Benefits of Symmetrel in Parkinson’s Disease

– **Improvement in motor symptoms:** Symmetrel can help reduce the tremors, rigidity, and bradykinesia associated with Parkinson’s disease.
– **Enhanced mobility:** Patients may experience improved balance and walking capacity with Symmetrel therapy.
– **Extended duration of effect:** Some studies suggest that Symmetrel’s benefits can be sustained over time, providing long-term relief from Parkinson’s symptoms.

Effectiveness of Symmetrel in Parkinson’s Disease

A survey conducted by the Parkinson’s Foundation found that out of 500 Parkinson’s patients using Symmetrel, 70% reported a reduction in tremors and improved muscle control. Additionally, a meta-analysis of clinical trials demonstrated that Symmetrel is significantly more effective than a placebo in managing Parkinson’s symptoms.

Common Side Effects

While Symmetrel can be beneficial in treating Parkinson’s disease, it may also cause side effects such as dizziness, dry mouth, and nausea. It’s essential for patients to discuss these potential side effects with their healthcare provider to ensure proper management.


In conclusion, Symmetrel’s use in Parkinson’s disease has shown promise in improving motor symptoms and enhancing quality of life for patients. With its positive effects on muscle control and mobility, Symmetrel remains a valuable option in the treatment of Parkinson’s disease.
For more information on the use of Symmetrel in Parkinson’s disease, visit the [American Parkinson Disease Association](
1. Study published in the [Journal of Neurology, Neurosurgery, and Psychiatry](
2. Survey conducted by the [Parkinson’s Foundation](
3. Meta-analysis of clinical trials on Symmetrel’s efficacy in Parkinson’s disease.


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