Dizziness and Fatigue After a Cold: What You Need to Know - Internal Medicine

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Hello doctor, I had a fever of 38.2 degrees Celsius the day before yesterday, and I have been feeling dizzy yesterday and today?


Hello, doctor! The day before yesterday, I experienced body aches, nasal congestion, and a fever of up to 38 degrees Celsius.
After visiting the emergency room, the doctor informed me that it was not the flu, just a common cold, and prescribed me some medication before I left.
I no longer have a fever, but I still have localized body aches and nasal congestion without a cough.
However, I have been feeling mild headaches and dizziness yesterday and today, and I am having difficulty concentrating.
I feel a very unreal sensation.
Could this be due to excessive fatigue?

Zhuang Xiansheng, 20~29 year old female. Ask Date: 2016/12/30

Dr. Hong Yuanbin reply Internal Medicine


Hello, based on your description, the dizziness and difficulty concentrating you are experiencing may have two possible causes.
First, a cold can inherently lead to systemic fatigue and discomfort.
Second, the decongestant medication you are taking may contain antihistamines, which can cause side effects such as dizziness and drowsiness.
Therefore, if your nasal congestion improves, you might consider stopping the decongestant and getting plenty of rest.
I believe this situation will show significant improvement.
Thank you for your inquiry.

Reply Date: 2016/12/30

More Info


Experiencing dizziness and fatigue after recovering from a cold can be concerning, and it's important to understand the potential causes and implications of these symptoms. Based on your description, it seems that you initially suffered from a common cold, which is characterized by symptoms such as body aches, nasal congestion, and fever. While you have recovered from the fever and most of the other symptoms, the lingering feelings of dizziness, mild headache, and difficulty concentrating can be attributed to several factors.

Firstly, after an illness like a cold, it is not uncommon for individuals to experience post-viral fatigue. This condition can manifest as a general sense of tiredness, weakness, and difficulty concentrating, often referred to as "brain fog." The body has expended energy fighting off the viral infection, and it may take some time to fully recuperate. This fatigue can be exacerbated by dehydration, which is common during illness, especially if you had a fever that led to increased fluid loss.

Dizziness can also be a result of several factors related to your recent illness. One possibility is that your body is still adjusting to the normal physiological state after the infection. Viral infections can sometimes lead to temporary changes in blood pressure or blood volume, which can cause dizziness. Additionally, nasal congestion can affect your inner ear, which plays a crucial role in maintaining balance. If your nasal passages are still congested, this could contribute to feelings of dizziness.

Another important consideration is the impact of stress and anxiety on your symptoms. The experience of being ill can be stressful, and the worry about lingering symptoms can lead to increased anxiety, which can manifest as dizziness and difficulty concentrating. It is essential to address both the physical and psychological aspects of recovery.

To aid in your recovery, consider the following recommendations:
1. Hydration: Ensure you are drinking plenty of fluids. Dehydration can worsen feelings of fatigue and dizziness.

2. Rest: Allow your body ample time to rest and recuperate. Avoid overexerting yourself, and gradually reintroduce physical activity as you feel able.

3. Nutrition: Eating a balanced diet rich in vitamins and minerals can support your immune system and overall recovery. Foods high in vitamin C, zinc, and antioxidants can be particularly beneficial.

4. Monitor Symptoms: Keep track of your symptoms. If dizziness persists or worsens, or if you experience new symptoms such as severe headaches, vision changes, or persistent fatigue, it is crucial to seek medical attention.

5. Consult a Healthcare Provider: If your symptoms do not improve or if you have concerns about your recovery, consider consulting a healthcare provider. They can perform a thorough evaluation to rule out any underlying conditions that may be contributing to your symptoms.

In summary, while dizziness and fatigue following a cold can be common, it is essential to listen to your body and take steps to support your recovery. If symptoms persist or worsen, do not hesitate to seek medical advice to ensure there are no underlying issues that need to be addressed.

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