Tag: When to see a doctor

Following COVID-19 vaccination, local injection site reactions are very common, with pain affecting over 72% of recipients and swelling occurring in about 13% [1.7.1]. Understanding how long should an injection site be swollen helps differentiate between a normal response and a potential complication.

Paracetamol is one of the most commonly used medications for pain and fever in the United States and Europe [1.7.3]. Knowing the clear guidelines on **when to stop taking paracetamol for fever** is crucial for safety and effectiveness [1.2.1, 1.4.1].

Oral rehydration therapy, like using Hydralyte, can prevent over a million deaths per year globally [1.3.4]. However, there are critical times **when you should not take Hydralyte** and seek medical advice instead. Understanding these contraindications is vital for safe and effective rehydration.