Many times, food poisoning will cease on its own accord, you may need to call your doctor if you start showing signs of dehydration, which include:   - Dry mouth or extreme thirst - Rarely peeing or dark, concentrated urine - Rapid heartbeat - Low blood pressure - Weakness, dizziness or a lightheaded feeling come upon you, especially when you go from lying down to sitting or standing - Confusion   Call your doctor immediately or go visit a doctor immediately if you see any of these signs or symptoms:   - Blood in your vomit - Blood in your stool - Blurry vision - Diarrhea for more than 3 days consecutively - Extreme bouts of pain or cramping in your abdomen - Fever of 101.5oF or higher - Vomiting that will not stop – especially if you cannot keep liquids down - Tingle in your arms - Weakness in your muscles   At Columbia Clinic Urgent Care, we can help you diagnose and treat food poisoning. We serve patients from Portland OR, PDX, Happy Valley OR, Tigard OR, Milwaukie OR, Cedar Hills OR, Cedar Mill OR, Lake Oswego OR, Oak Grove OR, Vancouver WA, Aloha OR, Minnehaha WA, Gladstone OR, Tualatin OR, West Linn OR, Fairview OR, Oregon City OR.