Gastroenteritis: When Symptoms Worsen After Medication - Gastroenterology and Hepatology

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Preliminary diagnosis of gastroenteritis; symptoms worsened after medication?


Hello Dr.
Chang, my boyfriend experienced dizziness, nausea, and fatigue the day before yesterday.
After a brief return of appetite yesterday, his condition worsened this afternoon, prompting a visit to the clinic where the physician suspected a gastroenteritis.
After taking medication in the evening, he instead developed muscle aches, generalized weakness, and cold sweats.
He only managed to eat a small portion of clam porridge for dinner but felt bloated and had indigestion, which led him to vomit.
Due to gastric discomfort and a headache, he is also having trouble sleeping.
I would like to ask Dr.
Chang if he should consider switching to a different specialty for consultation, or if the symptoms mentioned could be side effects of the medication and not a cause for concern.
I would greatly appreciate your professional advice.
Thank you!

Ms. Chen, 20~29 year old female. Ask Date: 2021/02/16

Dr. Zhang Kebin reply Gastroenterology and Hepatology


Hello Ms.
Chen: Your friend is experiencing dizziness, nausea, and fatigue.
After a brief recovery of appetite, the symptoms worsened, prompting a visit to the clinic.
The physician suspected a gastrointestinal virus and prescribed medication, but your friend then developed muscle aches, generalized weakness, and cold sweats.
After eating, they felt bloated and had indigestion, leading to vomiting.
Due to gastric discomfort and headaches, they are also having trouble sleeping.
Without knowing your friend's age and family medical history, dizziness and nausea may warrant consideration of neurological issues.
The muscle pain and other symptoms after taking medication could be side effects or related to the underlying condition.
Since the symptoms have worsened, it is advisable to seek further evaluation and treatment primarily from a gastroenterologist, with a consultation from a neurologist as needed.
Thank you for your inquiry.

Reply Date: 2021/02/16

More Info


Gastroenteritis, often referred to as a stomach virus or stomach flu, can present a variety of symptoms, including nausea, vomiting, diarrhea, abdominal pain, and sometimes fever. In your boyfriend's case, the symptoms he experienced—dizziness, nausea, and fatigue—are common in gastroenteritis. The fact that he felt a brief improvement in appetite before his condition worsened suggests a fluctuating course, which can happen with viral infections.

When it comes to medication, it's important to consider that some medications can indeed have side effects that may exacerbate existing symptoms or introduce new ones. For instance, certain anti-nausea medications can cause drowsiness or muscle aches in some individuals. If your boyfriend experienced muscle soreness, weakness, and cold sweats after taking medication, it could be a reaction to the medication itself or a sign that his body is still fighting off the infection.

The symptoms of bloating and indigestion after consuming a small meal, such as clam porridge, could be attributed to several factors. First, gastroenteritis can lead to temporary changes in how the stomach and intestines function, making it difficult to digest food properly. Second, if he is feeling nauseous, even small amounts of food can trigger a gag reflex or lead to vomiting.
In terms of whether he should switch to a different specialty for care, it may be beneficial to consult a gastroenterologist if his symptoms persist or worsen. A gastroenterologist specializes in digestive system disorders and can provide more targeted treatment options. However, if the symptoms are consistent with a viral infection and he is otherwise stable, it may be appropriate to continue monitoring his condition with the current healthcare provider.

Here are some additional considerations and recommendations:
1. Hydration: It's crucial for someone with gastroenteritis to stay hydrated, especially if they are experiencing vomiting or diarrhea. Encourage him to sip on clear fluids, such as water, broth, or electrolyte solutions, to replenish lost fluids and electrolytes.

2. Diet: When he feels ready to eat, starting with bland foods that are easy to digest, such as bananas, rice, applesauce, and toast (the BRAT diet), can be helpful. Avoiding rich, fatty, or spicy foods until he fully recovers is advisable.

3. Monitoring Symptoms: Keep a close eye on his symptoms. If he develops a high fever, severe abdominal pain, or if the vomiting persists, it is essential to seek medical attention promptly. These could be signs of a more serious condition.

4. Medication Review: If the current medication seems to be causing adverse effects, it would be wise to discuss this with the prescribing physician. They may adjust the dosage or switch to a different medication that might be better tolerated.

5. Rest: Adequate rest is vital for recovery from any viral infection. Encourage him to take it easy and allow his body to heal.

In summary, while your boyfriend's symptoms may be typical of gastroenteritis, the side effects he experienced after taking medication warrant a careful review. If symptoms persist or worsen, consulting a gastroenterologist could provide more specialized care. Always prioritize hydration and a gentle diet during recovery, and don't hesitate to seek medical advice if there are any concerning changes in his condition.

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