Can allergies cause hallucinations?

Jan 26, 2024 ... Cold symptoms take a few days to appear after an infection. Allergy symptoms can begin immediately after contact with triggers. Colds tend ... The most common allergy symptoms affect the nose, sinuses, lungs and eyes. However, in some conditions, organs such as the skin, digestive system and blood ... This can cause allergy-like symptoms in people who eat spoiled fish. Irritants such as caffeine and curry can trigger indigestion in some people. Reactions ... ... symptoms of hay fever which, while miserable, isn't that serious. However, in some cases, the allergic reactions to mold can be more severe and include. Asthma. Allergies and colds have many of the same symptoms, so it may be tricky to tell them apart. However, there are some key differences between the two to know. Jan 31, 2025 ... Most people with COVID-19 have mild symptoms, but some people become severely ill. ... Signs and symptoms of a severe allergic reaction can ... This happens in up to 50 to 75% of adults allergic to birch tree pollen. This reaction occurs because the proteins found in some fruits and vegetables are very ... Feb 21, 2025 ... Some common symptoms include: an itchy sensation inside the mouth, throat or ears; a raised itchy red rash (urticaria, or “hives”); swelling of ... Some people who have symptoms when they eat a food have a food intolerance rather than an allergy. A food allergy is a reaction of the immune system ... Jul 25, 2017 ... Body aches and fatigue are two common symptoms of allergies that often go undiagnosed. Chronic Fatigue. Some allergy sufferers may experience ...