What is a possible side effect of ciprofloxacin that requires medical attention?

Extreme fatigue is a possible side effect of ciprofloxacin that requires medical attention because it may indicate a more serious underlying issue, such as a severe allergic reaction or adverse effects on the central nervous system. Ciprofloxacin is a fluoroquinolone antibiotic that can cause systemic effects, including disruptions in energy levels or muscle function. While the other side effects listed, like dry mouth, headaches, and nausea, can occur with many medications and can often be managed with supportive care, extreme fatigue is concerning and warrants further evaluation to ensure that the patient is not experiencing a significant complication related to the medication, such as an infection not responding to treatment or other metabolic issues. It's essential for patients experiencing severe fatigue while on ciprofloxacin to consult with their healthcare provider to rule out serious conditions and manage their health effectively.