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Doctor insights on: What Causes A Cold

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What causes persistent cold and give thick yellowish mucus ?

What causes persistent cold and give thick yellowish mucus
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Many things: possible that you the infection didn't go away and that your immune system is suppressed ...Read more

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What causes of cold sore?

What causes of cold sore?

Cold sore: Cold sore is caused by virus called Herpes simplex . Most common way to catch it through kiss. It can present as tingling followed by blister formation which can last for few days. It is very infectious . usually blister leads to scab which disappears over few weeks but virus can lay dormant in nerve and can get activated at later stage . http://patient.info/health/cold-sores-leaflet ...Read more

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What causes feeling cold on a hot day ?

What causes feeling cold on a hot day ?

Not sure.: Reasons for feeling cold: hypothyroidism, anemia (esp. W low iron or vitamin b 12 deficiency), anorexia (fasting or low body weight), chronic illnesses, chronic pain, hypoglycemia, hypothermia (low body temperature), raynaud's disease, being in cold environment, cold intolerance, anxiety or panic, cardiac or nervous system diseases, some meds as well as both viral ; bacterial infections. ...Read more

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The past 4-5 months I've got the cold like 5-6 times , I have no allergy(I follow a healthy diet,good hygiene)what causes repetitive colds?

The past 4-5 months I've got the cold like 5-6 times , I have no allergy(I follow a healthy diet,good hygiene)what causes repetitive colds?

Hand washing: Make sure that you wash your hands and/or use hand sanitizer when your use the restroom and after contact with individuals that are sick (even with minor illnesses) ...Read more

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What causes this cold sensation on my legs? I cant sleep because if these? What foods needs to be rich with vit b12?

Get it worked up: Don't simply conclude you are B12 deficient, or for that matter self-diagnose with "pop" or semi-informed claims. Most disease isn't nutritional. Cold sensations are less likely to be due to neuropathies than to vascular problems, but both need to be considered. If it's interfering with sleep and warm blankets don't help, make an appointment to be seen. If neglected, worse things may well happen. ...Read more

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What causes cough and cold?

What causes cough and cold?

Viruses: Mostly common cold viruses (rhino-virus) cause the common cold which includes a cough due to mild bronchitis. ...Read more

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What causes the common cold?

What causes the common cold?

Many viruses: A variety of viruses (rhinoviruses and others). Unfortunately, although you develop immunity to the cold virus you just had, the next circulating virus will be different, so your immunity does you no good. ...Read more

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What causes a persistent cold flu?

What causes a persistent cold flu?

Resistance: Everyone gets colds and flu but symptoms can persist if resistance is low from fatigue , allergies, vitamin deficiency or chronic illnes. ...Read more

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What causes cold sensations in the head?

What causes cold sensations in the head?

Col head: You are cold headeaded From the symptoms you describe, it sounds that it could be a circulatory disturbance (due to compression of blood vessels) or a nerve pinched. This may occurs due to any clots in blood vessels, excessive alcohol use or diabetes. I would suggest evaluating all the possibilities with the help of a doctor first. Further referral to a neurologist will surely help you. ...Read more

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What causes being in cold areas to make you catch a cold?

What causes being in cold areas to make you catch a cold?

A virus is required: To 'catch' a cold. Cold, dry air ^’s nasal mucus production & viscosity. Mucus is part of our body’s defense mechanism. It traps viruses & other particles. When the mucus is thick (sluggish) it makes removing viruses more difficult. Another function of the nose is to warm cold air before it moves to the lungs. Capillaries in the nose dilate to bring warm blood to the nares. As these tissues fill. ...Read more