Hay fever symptoms can include:  Runny nose and nasal stuffiness (congestion) Watery, itchy, red eyes (allergic conjunctivitis) Sneezing Cough Itchy nose, roof of mouth or throat Mucus that runs down the back of your throat (postnasal drip) Swollen, bruised-appearing skin under the eyes (allergic shiners) Extreme tiredness (fatigue), often due to poor sleep  Hay fever triggers Your hay fever signs and symptoms may occur year-round or may start or worsen at a particular time of year (seasonal). Hay fever triggers include:  Tree pollen, which is common in early spring Grass pollen, which is common in late spring and summer Ragweed pollen, which is common in fall Dust mites and cockroach droppings, which are present year-round Dander from pets, which can be bothersome year-round but might cause worse symptoms in winter, when houses are closed up Spores from indoor and outdoor fungi and molds, which can be both seasonal and year-round  Hay fever or common cold? Symptoms can be similar, so it can be difficult to tell which one you have.    Condition Symptoms Onset Duration     Hay fever Runny nose with thin, watery discharge; no fever Immediately after exposure to allergens As long as you're exposed to allergens   Common cold Runny nose with watery or thick yellow discharge; body aches; low-grade fever 1 to 3 days after exposure to a cold virus 3 to 7 days   
hay fever symptoms can include:  runny nose nasal stuffiness (congestion) watery  itchy  red eyes (allergic conjunctivitis) sneezing cough itchy nose  roof mouth throat mucus runs down back throat (postnasal drip) swollen  bruised-appearing skin eyes (allergic shiners) extreme tiredness (fatigue)  due poor sleep  hay fever triggers hay fever signs symptoms may occur year-round may start worsen time year (seasonal)  hay fever triggers include:  tree pollen  common early spring grass pollen  common late spring summer ragweed pollen  common fall dust mites cockroach droppings  present year-round dander pets  can bothersome year-round cause worse symptoms winter  houses closed spores indoor outdoor fungi molds  can seasonal year-round  hay fever common cold? symptoms can similar  can difficult tell have     condition symptoms onset duration     hay fever runny nose thin  watery discharge; fever exposure allergens long you're exposed allergens   common cold runny nose watery thick yellow discharge; body aches; low-grade fever 1 3 days exposure cold virus 3 7 days   
hay fever