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Amantadine: a potential treatment option for chronic fatigue syndrome

Understanding Chronic Fatigue Syndrome

Before diving into the potential benefits of Amantadine in the treatment of chronic fatigue syndrome (CFS), it's important to understand what CFS actually is. Chronic fatigue syndrome, also known as myalgic encephalomyelitis (ME), is a complex and debilitating disorder characterized by extreme fatigue that does not improve with rest and may worsen with physical or mental activity. Symptoms of CFS can vary from person to person, but common signs include joint pain, impaired memory, headaches, sore throat, unrefreshing sleep, and post-exertional malaise (PEM).


As a blogger living with CFS, I've spent countless hours researching possible treatments and sharing my experiences with others who are also struggling with this life-altering condition. Our collective goal is to find relief and regain control over our lives. One potential treatment option that has recently caught my attention is Amantadine, and I would like to share what I've learned with you.

What is Amantadine?

Amantadine is an antiviral drug that was initially developed to treat influenza. However, over the years, researchers have discovered that Amantadine may also have potential benefits for a range of neurological conditions, such as Parkinson's disease and multiple sclerosis. Its mechanism of action is related to increasing the release of dopamine in the brain, which can help improve several symptoms associated with these conditions.


Given its potential benefits for neurological disorders, it's no surprise that Amantadine has been investigated as a possible treatment for chronic fatigue syndrome. The following sections will delve into the studies and anecdotal evidence supporting this potential treatment option.

Amantadine's Potential Benefits for CFS

Researchers have conducted a few studies to determine if Amantadine could be an effective treatment for CFS. Some of these studies have shown that Amantadine may help improve fatigue levels in people with CFS. Moreover, its antiviral properties might also play a role in targeting the underlying causes of CFS.


However, it's important to note that not all studies have found significant benefits, and some have reported adverse effects in a subset of patients. Therefore, it's essential to approach Amantadine as a potential treatment option with caution and always consult a medical professional before starting any new medication.

Dosage and Side Effects

If you're considering trying Amantadine for CFS, it's vital to understand the proper dosage and potential side effects. Dosages typically range from 100 to 200 milligrams per day, but your healthcare provider will determine the appropriate dose for your specific case. It's important to keep in mind that Amantadine can interact with other medications, so be sure to discuss your current medications and supplements with your doctor before starting Amantadine.


Some potential side effects of Amantadine include dizziness, insomnia, dry mouth, constipation, and nausea. In rare cases, more severe side effects such as hallucinations, rapid heartbeat, or seizures can occur. If you experience any concerning side effects, contact your healthcare provider immediately.

Patients' Experiences and Anecdotal Evidence

While formal research on Amantadine for CFS is limited, there are numerous anecdotal reports from patients who have tried this medication. Some patients have reported positive results, such as improved energy levels and reduced symptoms, while others have not seen any significant benefits or have experienced adverse side effects.


As with any treatment, it's essential to remember that individual experiences can vary widely, and what works for one person may not work for another. If you're considering trying Amantadine for CFS, it's crucial to discuss your unique situation with your healthcare provider and weigh the potential risks and benefits.

Moving Forward with Amantadine and CFS

Based on the available research and anecdotal evidence, Amantadine may have potential as a treatment option for some individuals with chronic fatigue syndrome. However, it's crucial to approach this medication with caution and always consult your healthcare provider before starting any new treatments.


As a fellow CFS sufferer, I understand the desire to find relief and regain control over our lives. I hope that sharing this information on Amantadine has been helpful and informative. Remember, it's essential to keep an open mind and explore a variety of treatment options to determine what works best for you. Here's to our continued journey toward better health and well-being!

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6 Comments

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    Fiona Doherty

    June 18, 2023 AT 23:26

    Amantadine isn’t a miracle cure; the clinical evidence is still pretty thin and the side‑effects can be a real hassle for many CFS patients.

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    Neil Greer

    June 19, 2023 AT 00:26

    Totally get where you're comin from, but just a heads‑up – it's "fatigue" not "fatige" and proper spelling helps keep the convo clear. Also, while the data might be thin, a few well‑controlled trials do hint at modest benefits for some folks.

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    Fionnuala O'Connor

    June 19, 2023 AT 01:26

    Thanks for the clarification. If you decide to try it, start low and watch for any weird symptoms.

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    Christopher MORRISSEY

    June 19, 2023 AT 02:26

    While the enthusiasm surrounding novel therapeutic avenues for chronic fatigue syndrome (CFS) is undeniably commendable, it is incumbent upon us to approach such prospects with a measured and methodical disposition. Amantadine, originally formulated as an antiviral agent against influenza, has indeed been repurposed in various neurological contexts owing to its dopaminergic activity; however, the translational leap from Parkinsonian symptomatology to the multifaceted pathology of CFS warrants rigorous scrutiny. The extant literature comprises a limited cohort of open‑label investigations and a handful of small‑scale randomized controlled trials, many of which suffer from heterogeneous inclusion criteria, variable dosing regimens, and insufficient blinding. Consequently, the resultant data matrix is fragmented, rendering any extrapolation to the broader CFS population provisional at best. Moreover, the pharmacodynamic profile of amantadine-particularly its propensity to induce central nervous system side‑effects such as insomnia, dizziness, and, in rare instances, hallucinations-necessitates a cautious risk‑benefit analysis, especially in individuals already compromised by neurocognitive dysfunction. It is also prudent to acknowledge the potential for drug–drug interactions, given that a substantial proportion of CFS patients are concurrently administered agents for comorbid conditions such as sleep disturbances, mood disorders, and autonomic dysfunction. In light of these considerations, the clinician’s role should encompass a thorough discussion with the patient, delineating the paucity of robust evidence, the spectrum of possible adverse reactions, and the imperative of close monitoring throughout any trial of amantadine therapy. Future research endeavors ought to prioritize large‑scale, double‑blind, placebo‑controlled designs with standardized outcome measures that capture both subjective fatigue indices and objective functional capacity. Only through such disciplined inquiry can we ascertain whether amantadine truly offers a therapeutic advantage or merely occupies a niche of anecdotal optimism. Until such data are forthcoming, it remains advisable to regard amantadine as an experimental adjunct rather than a definitive remedy for chronic fatigue syndrome.

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    Adam O'Rourke

    June 19, 2023 AT 03:26

    Sure, because adding another drug is exactly what we need 😂

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    Mary-Pat Quilty

    June 19, 2023 AT 04:26

    Ah, the drama of another "miracle" pill! In the grand theatre of chronic illness, we often find ourselves cast as hopeful protagonists awaiting a breakthrough, only to be served a script riddled with side‑effects and disappointment. Yet, the allure of a new medication can feel like a beacon in the fog, a dramatic twist that promises redemption. If we choose to walk that path, let us do so with eyes wide open, aware of the stakes and the shadows that accompany every hopeful spark.

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