Whois & Analysis for sudafed.com

Common cold, also known simply as a cold, is a viral infectious disease of the upper respiratory tract that primarily affects the nose.

The throat, sinuses, and voice box may also be affected.

Signs and symptoms may begin less than two days following exposure.

They include coughing, sore throat, runny nose, sneezing, headache, and fever.

People usually recover in seven to ten days.

Some symptoms may last up to three weeks.

In those with other health problems, pneumonia may occasionally develop.

Paranasal sinuses are a group of four paired air-filled spaces that surround the nasal cavity.

The maxillary sinuses are located under the eyes; the frontal sinuses are above the eyes; the ethmoidal sinuses are between the eyes and the sphenoidal sinuses are behind the eyes.

The sinuses are named for the facial bones in which they are located.

Pulmonary edema is fluid accumulation in the tissue and air spaces of the lungs.

It leads to impaired gas exchange and may cause respiratory failure.

It is due to either failure of the left ventricle of the heart to remove blood adequately from the pulmonary circulation (cardiogenic pulmonary edema), or an injury to the lung parenchyma or vasculature of the lung (noncardiogenic pulmonary edema).

Treatment is focused on three aspects: firstly improving respiratory function, secondly, treating the underlying cause, and thirdly avoiding further damage to the lung.

Pulmonary edema, especially acute, can lead to fatal respiratory distress or cardiac arrest due to hypoxia.

It is a cardinal feature of congestive heart failure.

The term is from the Greek (oídēma, “swelling”), from οἰδέω (oidéō, “I swell”).

Pain is a distressing feeling often caused by intense or damaging stimuli, such as stubbing a toe, burning a finger, putting alcohol on a cut, or bumping the "funny bone".

Because it is a complex, subjective phenomenon, defining pain has been a challenge.

The International Association for the Study of Pain's widely used definition states: "Pain is an unpleasant sensory and emotional experience associated with actual or potential tissue damage, or described in terms of such damage." In medical diagnosis, pain is regarded as a symptom of an underlying condition.

A symptom (from Greek σύμπτωμα, "accident, misfortune, that which befalls", from συμπίπτω, "I befall", from συν- "together, with" and πίπτω, "I fall") is a departure from normal function or feeling which is noticed by a patient, reflecting the presence of an unusual state, or of a disease.

A symptom is subjective, observed by the patient, and cannot be measured directly, whereas a sign is objectively observable by others.

For example, paresthesia is a symptom (only the person experiencing it can directly observe their own tingling feeling), whereas erythema is a sign (anyone can confirm that the skin is redder than usual).

Symptoms and signs are often nonspecific, but often combinations of them are at least suggestive of certain diagnoses, helping to narrow down what may be wrong.

In other cases they are specific even to the point of being pathognomonic.