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Epidemiology Change in physiological status or in disease occurrence that conforms to a regular seasonal pattern


Occurring regularly at certain times of the year, e.g., in the summer or winter (but not usually during both). Seasonal allergies follow the predictable pattern of occurring when pollen circulates in the air. Seasonal infections, like influenza, are most common in the winter.
seasonality (sē″zŏ-nal′ĭt-ē)

Patient discussion about seasonality

Q. Regarding Seasonal Nasal allergy. My father is suffering from seasonal nasal allergies. He took a 24-hour loratadine pill, 5 hours ago. His nose is still running just like it was. Can I take a benedryl, or is it dangerous to mix loratadine and benedryl? What else can I do to stop my nose?

A. except well known drug interactions- most Dr. check it out with a computer program they have. you need to ask a Dr. or a pharmacist about it. but i can tell you that if you wait 4 times the T1/2 - that is enough to consider the drug out of the system.

Q. i suffer of seasonal allergy , besides pills , are they alternative methods to treat seasonal allergy?

A. Here are a few sites that may be useful:
Hope this helps.

Q. what is the most natural way to treat seasonal Allergy and to ease symptoms of between seasons?

A. here is a web page with info about seasonal Allergy various treatments:

i hope it's what you are looking for.

More discussions about seasonality
References in periodicals archive ?
One cannot expect rubber prices to change in relation to seasonality in NR output or consumption alone.
Seasonality causes loss of profits due to the inefficient use of resources and the constant fear of insufficient use of capacities (Butler, 1994; Sutcliffe and Sinclair 1980).
A Description of the Methodology and Evidence of Residual Seasonality
Residual seasonality refers to the presence of lingering seasonal effects even after seasonal adjustment processes have been applied to the data.
Differencing these growth rates should give an indication of whether the seasonality in the GDP data is mitigated or amplified by the GDI data.
By contrast, the data on influenza seasonality in New Delhi corroborate findings which showed that many countries in tropical regions (e.
A global seasonality score (GSS) with total scores ranging from 0 to 24 was derived from the Seasonal Pattern Assessment Questionnaire, after the patients graded the effect that changes of seasons had on them in six areas: sleep length, social activity, mood, weight, appetite and energy level.
Once the seasonal status of an ECI series is determined on the basis of the three quality control statistics, BLS uses the following guidelines to determine when to seasonally adjust a series for publication and when to discontinue seasonal adjustment: (1) when seasonality is first found, a series is seasonally adjusted, and (2) when seasonality is not found for three consecutive revisions, seasonal adjustment is discontinued.
While not directly related to seasonality, there is a trend for prices of those sectors that pay healthy dividends, such as energy, to rise in the fourth quarter, as investors buy ahead of dividend distributions, and then fall in the second quarter once these payments have been made, the Jadwa report said.
A number of studies have documented seasonality in home prices, although it has never been studied with rigor.
Judges did say however that the menu could reflect more seasonality of local produce.
The same slope seasonality model is based on an idea that time series will have the same gradient for the same seasonal periods in different seasonal cycles (Figure 1).