A tenderness and pain behind your lower leg, shortness of breath, coughing up blood and chest pain are symptoms of a blood clot in your leg. This could be very dangerous especially if one has been sitting for a long time in a plane or a car. A blood clot in the leg should be treated. If coughing up of blood and shortness of breath accompany the clot, it could mean that a piece of the clot has broken and travelled to the lungs. This could be fatal and the patient should be taken to the hospital immediately.
Blood in the urine without any pain could mean cancer of the ureter, bladder or prostate. Normally, blood in the urine is accompanied by pain, which is why people rush to the doctor. But if the bleeding is painless, people tend to take it lightly. But this may be the only chance doctors get to treat cancer while it is small enough to be painless.
Asthma attacks can kill. If, after 6-8 hours, the attack doesn’t improve or worsen, then the patient should be taken to the hospital. Prolonged asthma attacks can lead to chest muscle fatigue and death. If, during a long attack, the person seems to be getting calmer, this is not the case. Carbon dioxide builds up in the brain causing the patient to feel drowsy and sedated. The patient might lose the will to stop breathing.
Severe headaches could be a symptom of meningitis, stroke, brain tumor, aneurysm, blood vessel inflammation. There are a few headaches that need immediate medical attention.
- A headache known as a thunderclap headache. This is because it comes on suddenly with great severity.
- A headache that is followed with fever, seizures, pain while chewing, weakness, numbness, rash, speech difficulty, vision changes.
- A headache that starts or gets worse after an injury to the head.
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