Liquid IV, a popular form of hydration therapy, offers rapid replenishment of fluids and electrolytes, making it a go-to solution for dehydration and fatigue. While generally safe, liquid IV may cause some side effects in certain individuals. Common liquid IV side effects include.Some individuals may experience gastrointestinal discomfort after receiving liquid IV, particularly if they have sensitive stomachs or underlying digestive issues. Although rare, allergic reactions to the ingredients in liquid IV can occur. Symptoms may include rash, itching, swelling, or difficulty breathing. Anyone