Panic attacks can feel overwhelming and out of control. People who experience them often describe a sudden wave of fear, along with physical symptoms like a fast heartbeat, shortness of breath, and dizziness.
These attacks can happen without warning and can make everyday life very difficult. Although there are medications available, they do not work for everyone and can sometimes cause unwanted side effects.
A new study suggests that a simple antibiotic may help. Researchers from São Paulo State University and the Federal University of Rio de Janeiro have found that minocycline, a drug commonly used to treat infections, may also reduce panic symptoms. Their findings were published in the journal Translational Psychiatry. fileciteturn0file0
The idea behind this research comes from a growing understanding of how the brain works. Scientists now know that inflammation in the brain may play a role in many mental health conditions. Minocycline has anti-inflammatory effects when used in low doses, which makes it an interesting candidate for treating panic disorder.
To explore this possibility, the researchers carried out experiments in both animals and humans. In animal studies, mice were exposed to high levels of carbon dioxide to create panic-like reactions.
This method is commonly used in research because it produces sensations similar to human panic attacks. Mice treated with minocycline showed calmer behavior and fewer signs of panic.
In the human study, 49 people with panic disorder took part. They were exposed to controlled amounts of carbon dioxide to trigger symptoms. Some were given minocycline, while others received clonazepam, a standard anti-panic medication. The results showed that both drugs reduced panic symptoms, but they worked in different ways.
Clonazepam affects brain chemicals directly and can slow down the nervous system. While effective, it can also lead to side effects such as reduced alertness and risk of dependence. Minocycline, on the other hand, appears to work by reducing inflammation in the brain. This offers a new approach that may be safer for long-term use.
The researchers also measured substances in the blood that are linked to inflammation. They found that minocycline lowered harmful inflammatory markers and increased protective ones. This change may help explain why the drug reduces panic symptoms.
Another important finding was related to a brain region called the locus coeruleus. This area helps control stress and fear responses. In animal studies, minocycline reduced activity in this region, which may help calm panic reactions.
Despite these encouraging results, the researchers caution that this is only an early step. The study was relatively small, and more research is needed to confirm the effects in larger groups of patients. However, because minocycline is already approved for other uses, it could move more quickly into further clinical trials.
In summary, this study provides new evidence that inflammation in the brain may be linked to panic disorder. It also suggests that treating this inflammation could reduce symptoms. Minocycline may offer a new and different option for patients, especially those who do not respond well to current treatments.
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Source: São Paulo State University.
