Allergic reactions to beta lactam antibiotics can manifest in various forms:
Skin reactions: Rashes, itching, and hives are common and typically appear within a few days of starting the medication. Anaphylaxis: A severe, immediate allergic reaction that can lead to difficulty breathing, swelling, and potentially fatal outcomes if not treated promptly. Serum sickness-like reactions: Fever, rash, and joint pain occurring days to weeks after exposure.
