To safely manage your fever and joint pain, you can take paracetamol (acetaminophen). It is highly effective for reducing fever and easing pain. Please avoid taking anti-inflammatory medications like ibuprofen or aspirin until you consult a doctor, as these can sometimes complicate certain viral infections. In the meantime, ensure you get plenty of rest and stay well-hydrated with water and electrolyte solutions. Because fever combined with severe joint pain can stem from various sources, such as viral infections like chikungunya, it is important to visit a healthcare provider for a proper evaluation and diagnosis.