Constipation is having less than three bowel movements a week, causing hard stools, abdominal pain and more. Dementia resulting from a head injury may cause memory problems, difficulty speaking, and personality changes. Gastroenteritis is inflammation of the stomach and intestine that causes diarrhea and vomiting. Signs of endocarditis, an infection of the heart, include swelling, rash, sinus congestion, nausea, and more. Read more.

Hay fever, an allergic reaction to outdoor pollens and molds, causes nasal congestion, itchy eyes, and more. This is because there is muscle tissue in nearly all parts of the body. Express. Migraines are a common type of headache that can cause severe pain, aura or flashes in vision, and tingling. Non-allergic rhinitis causes congestion, sneezing, runny nose, or itchy red eyes for no apparent reason. Shigellosis is irritation of the stomach and intestine and causes bloody diarrhea, abdominal pain, and fever. CORONAVIRUS has changed the way we socialise, what we wear and the way we work. Headache and fatigue are a common side effect of many different types of medications. Fatigue is a common symptom of fibromyalgia. Nearsightedness is a common eye problem that causes blurry, distant vision. Allergic reaction causes sneezing, runny nose and hives and can lead to anaphylaxis, a whole body reaction. Aseptic meningitis, or viral meningitis, can cause fever, headaches, neck pain, nausea, and more. You’ll also want to visit a doctor right away if your headache is sudden and severe or accompanies a fever, stiff neck, confusion, vomiting, behavior changes, vision changes, numbness, or difficulty speaking.

If you're concerned you may have coronavirus, order your free testing kit on the NHS website. Viral syndrome is an unidentified cause of typical virus symptoms sore throat, stuffy nose, aches and more.

Multiple sclerosis is a disease of the nervous system causing difficulties with balance, speech, and movement. Common symptoms include: See a doctor if you’re experience headache and fatigue along with any of the above symptoms. People with eating disorders have extreme and dangerous eating habits. Salmonella are a type of bacteria that can infect the body and cause diarrhea, cramps, and fever. Medication side effects include nausea, vomiting, stomach upset, weakness, dizziness, seizures, and more. See today's front and back pages, download the newspaper, Thalassemia is a rare group of genetic blood disorders effecting red blood cells and leading to anemia. If you suddenly stop drinking caffeine, you get withdrawal symptoms, such as headache, fatigue, and bad mood. However, there are other warning signs of the disease. Presbyopia causes an inability to focus on close objects, and headaches or eyestrain when working or reading. Bloating. Migraine symptoms may start one to two days before the headache itself. The links below will provide you with more detailed information on these medical conditions from the WebMD Symptom Checker and help provide a better understanding of causes and treatment of these related conditions.