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Symptoms Beginning With C
16 symptoms in this guide begin with the letter C. Every name links to a plain-language page covering what the symptom can feel like, the conditions it can be associated with, its red flags, and what a clinician may do.
A B C D E F G H I J K L M N O P R S T U V W
| Symptom | Category | What it can feel like |
|---|---|---|
| Calf pain | Chest & Heart | Calf pain is pain in the bulky muscle at the back of the lower leg. It can arrive suddenly during sport, ache after unaccustomed exercise, or appear with swelling — and… |
| Change in bowel habit | Digestive | A change in bowel habit means your stools have become persistently looser, more frequent, more constipated, or different in pattern from your normal, lasting more than a… |
| Chest infections that keep coming back | Lungs & Breathing | Chest infections that keep coming back means repeated episodes of bronchitis or pneumonia — several a year, infections that take weeks to clear, or infection returning… |
| Chest pain | Chest & Heart | Chest pain is any pain, ache, pressure or discomfort in the chest. It ranges from brief twinges in the chest wall to the heavy, squeezing pressure of a heart problem… |
| Chest tightness | Chest & Heart | Chest tightness is a feeling of constriction, band-like pressure or difficulty taking a full breath. It is a close relative of chest pain and shares many of its causes… |
| Chills | General | Chills are waves of feeling cold with shivering or shaking, even when the room is warm. They often arrive just before or during a fever, as the body raises its… |
| Cloudy or strong-smelling urine | Urinary | Cloudy urine looks milky or hazy rather than clear, and strong-smelling urine has a noticeably pungent odour. On their own, without other symptoms, these changes are… |
| Clumsiness and dropping things | Brain & Nerves | Clumsiness means losing your usual dexterity — dropping cups, fumbling buttons and keys, handwriting deteriorating, tripping over your own feet. Everyone has clumsy… |
| Cold hands and feet | Chest & Heart | Cold hands and feet are extremely common in cool weather, because the body narrows the blood vessels there to protect core temperature. The patterns that matter are… |
| Confusion | Brain & Nerves | Confusion means the mind is not thinking clearly — disorientation, poor attention, muddled conversation, sometimes agitation or unusual drowsiness. When it comes on over… |
| Constipation | Digestive | Constipation means passing stools less often than is normal for you, with hard, dry stools that are difficult or painful to pass, sometimes with straining and a feeling… |
| Constipation in children | Children | Constipation in children means hard, infrequent stools that are painful to pass — often with large-sized stools, straining, withholding behaviour (crossing legs… |
| Cough | Lungs & Breathing | A cough is a reflex that clears the airways of mucus, irritants and infection. It is one of the most common symptoms of all — most coughs are caused by viral infections… |
| Cough in children | Children | A cough in a child is the protective reflex clearing the airways. Most childhood coughs are viral upper-respiratory infections lasting one to three weeks — longer than… |
| Coughing up blood | Lungs & Breathing | Coughing up blood — anything from blood-streaked phlegm to larger amounts of fresh blood — is always a symptom to have assessed promptly. Most causes are treatable chest… |
| Crying baby | Children | Excessive crying means a baby who cries far more than expected — inconsolable episodes, often in the evening, in an otherwise thriving baby (the classic colic pattern)… |
Please note: This page is educational information about a symptom. A symptom alone cannot diagnose any condition, and the causes listed here are possibilities, not a diagnosis. If you are worried about a symptom — especially one that is new, severe, getting worse or not going away — please see your own clinician, who can examine you and arrange tests. In an emergency, call your local emergency number.