Hand, Foot, and Mouth Disease in Teens: Symptoms and Treatment - Pediatrics

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Hand, Foot, and Mouth Disease (HFMD) is a common viral infection primarily caused by enteroviruses, particularly coxsackievirus. While it is most prevalent in children under five years old, it can indeed affect older children and even teenagers, as you are experiencing at the age of 13. The symptoms you describe, including the presence of painful blisters in your mouth and on your lips, along with a low-grade fever (37.3 degrees Celsius), are characteristic of HFMD.

The blisters and sores in the mouth can make swallowing painful and uncomfortable, which is a common symptom of this illness. In some cases, individuals may also experience additional symptoms such as sore throat, fatigue, and irritability. It is also important to note that while HFMD is generally mild and self-limiting, it can lead to complications in rare cases, such as dehydration due to difficulty swallowing fluids.

Regarding your concern about treatment, there is no specific antiviral treatment for HFMD. Management primarily focuses on relieving symptoms. Here are some recommendations:
1. Pain Relief: Over-the-counter pain relievers such as acetaminophen or ibuprofen can help alleviate pain and reduce fever. However, avoid giving aspirin to children due to the risk of Reye's syndrome.

2. Hydration: Staying hydrated is crucial, especially if swallowing is painful. Try to consume soft foods and cool liquids, which may be easier to swallow. Avoid acidic or spicy foods that can irritate the sores.

3. Oral Care: Maintaining good oral hygiene is important. Rinsing your mouth with a saltwater solution may help soothe the sores.

4. Rest: Ensure you get plenty of rest to help your body recover.

If you have already taken three packs of medication prescribed by a Western doctor and have not seen improvement, it may be worth revisiting your healthcare provider. They can assess your condition further and may suggest alternative treatments or supportive care.
As for your concern about transmission, HFMD is contagious, and it spreads through direct contact with the fluid from the blisters, respiratory droplets, and contaminated surfaces. To prevent spreading the virus to your family members, especially your grandmother and parents, practice good hygiene:
- Wash your hands frequently with soap and water, especially after using the restroom and before eating.

- Avoid close contact with others until you are no longer contagious (usually when the blisters have dried up).

- Disinfect commonly touched surfaces and objects.

Typically, HFMD resolves on its own within 7 to 10 days. However, if you experience worsening symptoms, such as high fever, severe pain, or signs of dehydration (such as decreased urination, dry mouth, or dizziness), you should seek medical attention promptly.

In conclusion, while it is not unusual for a teenager to contract HFMD, it is essential to manage the symptoms effectively and take precautions to prevent spreading the virus to others. If your symptoms persist or worsen, do not hesitate to consult with your healthcare provider for further evaluation and treatment options.