(redirected from seasonal variation)
Also found in: Dictionary, Thesaurus, Legal, Financial, Encyclopedia.


/sea·son·al/ (se´zun-al) of, depending on, or occurring in a particular season of the year.


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)


pertaining to season of the year.

seasonal air flow patterns
the changes in the patterns of air flow which occur in animal housing which are ventilated by natural means, according to the seasonal variation in the environmental temperature.
seasonal anestrus
see anestrus.
seasonal calvers
cattle herds in which the mating is arranged so that the cows calve at a particular season of the year.
seasonal herds
see seasonal calvers (above).

Patient discussion about seasonal

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 seasonal
References in periodicals archive ?
Characteristics and seasonal variation in the semen of Markhoz bucks in western Iran.
Seasonal variation and higher incidence in regions near natural fresh water compared to inland areas and cities indicate that the source of M.
In the present study, we found no convincing evidence for seasonal variation of CRP; thus there should be no concern about misclassification of participants in population studies and in clinical practice measured during various seasons.
The samples for this seasonal variation study show a wide variation in similarity index.
It seems harder to account for the seasonal variation in labor productivity by relying solely on changes in technological opportunities, which is the explanation found in real business cycle models.
Should seasonal variations be verified by future observations or by reanalysis of past observations, that will send the atmospheric dynamicists into a tizzy trying to explain how it could possibly be," notes Heidi B.
The seasonal variation has been more apparent in adult invasive pneumococcal disease than in pediatric cases (1), although some seasonal variation in acquisition of nasopharyngeal colonization also has been documented in children (6).
0001) related to month of blood sample collection, although sample collection covered two cycles of harvest and storage, thus reflecting both annual and seasonal variation.
The new research, led by Karin Sparring Bjorksten of the Karolinska Institutet in Sweden, studied the seasonal variation of suicides in all of Greenland from 1968-2002.
Since then, surveillance for a variety of diseases has established that regular seasonal variation in incidence is the rule, rather than the exception, for acute infections.
City unemployment rates that historically showed large seasonal variation due to the presence of citrus and other agricultural industries have stabilized somewhat.

Full browser ?