Medical symptoms guide

Hair loss is shedding more than the normal amount of hair, which may be diffuse or in specific areas. Common causes include genetics, stress, certain deficiencies, or hormonal changes. Many cases are improvable, and noticeable persistent shedding warrants medical evaluation.

Tinnitus is the perception of ringing, buzzing, or humming without an external source. It may be temporary after exposure to loud noise, or persistent. It is often linked to noise exposure, earwax buildup, or aging. Persistent tinnitus or one with hearing loss warrants medical evaluation.

A toothache is pain or sensitivity in or around a tooth, which may be throbbing, sharp, or constant. It is often linked to decay, gum inflammation, or tooth sensitivity. A toothache usually does not resolve without treating its cause, so seeing a dentist is advised when it persists.

Heart palpitations are the sensation that the heart is beating fast, hard, or irregularly. They are often transient and harmless, linked to stress, caffeine, or exertion. However, recurrent palpitations or those with dizziness or chest pain warrant medical evaluation for reassurance.

Chest pain is a symptom that must be taken seriously because it can be linked to the heart, lungs, digestive system, or muscles. Its causes range from minor to emergency. Sudden or pressure-like chest pain, especially with shortness of breath or sweating, is an emergency requiring immediate help.

Insomnia is difficulty falling or staying asleep, or waking too early without being able to return to sleep. It affects daytime concentration, mood, and energy. It is often linked to stress or poor sleep habits. Improving sleep routine helps, and persistent insomnia warrants medical advice.

Nausea is an uncomfortable urge to vomit, which may precede vomiting or occur alone. It has many common causes such as indigestion, infection, motion sickness, or certain medications. Most cases are transient, but persistent nausea or one with warning signs warrants evaluation.

Abdominal pain is discomfort in the stomach and intestinal area, which may feel like cramps, burning, or constant ache. It has many causes, most of them minor such as indigestion or gas, but some cases need urgent evaluation. Noting the pain location and severity helps.

Joint pain is discomfort or stiffness in one or more joints, sometimes with swelling or redness. Its causes are common, such as overuse, aging, or inflammation. Many cases are managed with rest and care, but severe or persistent swelling warrants medical evaluation.

Chronic fatigue is persistent exhaustion that does not improve with rest and affects daily activity. It may result from poor sleep, stress, certain deficiencies, or various health conditions. Noting sleep and nutrition patterns helps, and persistent unexplained fatigue warrants medical evaluation.

Fever is a temporary rise in body temperature, often a normal response to fighting infection. It may be accompanied by chills, fatigue, and body aches. Most mild fevers are managed at home with rest and fluids, but high or persistent fever needs medical evaluation.

A cough is a natural reflex to clear the airway of irritants and mucus. It may be dry or productive, transient with colds or persistent for weeks. Most coughs are minor and self-limiting, but a chronic cough or one with warning signs deserves medical evaluation.

Shortness of breath is the feeling of not getting enough air or having to work harder to breathe. It may occur after exertion or due to anxiety, and can be linked to lung or heart conditions. Sudden or severe shortness of breath may be an emergency requiring immediate evaluation.

Dizziness is a sense of imbalance or that the surroundings are spinning (vertigo). Its causes are common and varied, such as a drop in blood pressure on standing, dehydration, or inner-ear problems. Most cases are minor and transient, but sudden dizziness with neurological symptoms needs urgent evaluation.

A headache is pain in the head that varies in severity, location, and duration. The most common types are tension headache and migraine, often linked to stress, lack of sleep, or dehydration. Most headaches are not serious, but certain sudden or severe patterns need urgent evaluation.

Back pain is a very common complaint ranging from mild muscular ache to chronic pain that limits movement. It is often caused by muscle strain or poor posture, and most cases improve within weeks with relative rest and gentle movement. Some cases need medical evaluation.