Infusion therapy delivers medication through a needle or catheter and is more effective for some drugs. You may also need an infusion if you can’t take oral medication. Share on Pinterest ...

Intravenous (IV) therapy is administering fluids directly into a vein. It benefits treatment by enabling water, medication, blood, or nutrients to access the body faster through the circulatory system ...

Stomach flu can cause diarrhea and vomiting that dehydrate you quickly. You may need fluids delivered through your veins so that you can recover. Stomach flu happens when a virus causes an infection ...