Your daughter comes home from soccer practice with red eyes, keeps pushing the tip of her nose upward with her palm and, once she is in bed, starts a dry cough that keeps her awake. She has no fever, and by morning she seems almost fine. If this has been happening night after night since late September, it is probably not a cold that refuses to leave but a seasonal allergy. The clinic's medical team put together this guide so you can recognize it, know what to do at home and decide when a visit makes sense.
Why fall in Houston brings no relief
In many places cold weather shuts allergies down. Not here. Around Houston, autumn stacks three triggers on top of each other:
- Ragweed. This weed grows in empty lots, along drainage ditches and on land nobody mows. Its pollen is very light, rides the wind for miles and usually stays in the air from late August until the first frost, which in this area can hold off until December.
- Mold. After every rain, fallen leaves, wet grass and humid air let mold spores multiply outdoors and indoors too, especially in bathrooms and under kitchen sinks.
- Dust mites. When it cools down, families close the windows, pull stored blankets out of the closet and switch the heat on for the first time. The dust that has built up in vents and bedding feeds the mites.
The Houston Health Department posts pollen and mold levels every day. Checking them in the morning helps you plan the day for an allergic child.
Allergy or cold? How to tell them apart
Plenty of parents spend weeks giving their child cold remedies that do nothing, because the problem is an allergy. This table sums up the most useful differences:
| What you notice | More typical of allergy | More typical of a cold |
|---|---|---|
| Fever | No | Sometimes, mostly at the start |
| Itchy eyes, nose or throat | Very common | Uncommon |
| Mucus | Clear and runny, like water | Starts clear, then thickens |
| Sneezing | In bursts of five or six | One at a time |
| How long it lasts | Weeks, as long as the exposure lasts | Improves in seven to ten days |
| When it gets worse | Outside, at the park or on waking | About the same all day |
| Others at home | Nobody catches it | Siblings and parents get sick next |
| Body aches and heavy tiredness | Rare | Common |
Some clues are easy to spot once you know to look for them: dark circles under the eyes even after a full night of sleep, a small crease across the nose from rubbing it upward, mouth breathing and snoring. If your child has a fever, body aches and a cough, an infection is more likely; to decide between school and staying home, read our guide on fever and cough during the school year.
The nighttime cough: what drives it
A cough at night is the complaint that wakes up the most households. In an allergic child it usually has one of two explanations:
- Postnasal drip. Lying down, mucus from the irritated nose drains down the back of the throat and sets off a dry, throat-clearing cough that is worse at bedtime and on getting up.
- Sensitive airways. In some kids the allergy does not stay in the nose and moves down to the lungs. A cough that shows up every night, comes back with running or laughing, or brings a whistling sound in the chest can be a sign of asthma and deserves a checkup.
Something that helps a lot during the visit: for one week, jot down what time the cough starts, whether your child played on grass or went to the park that day, and whether it had rained. That short log tells more than any description from memory.
What you can do at home this week
Home measures cut down how much allergen reaches your child's nose, and with it the symptoms:
- A shower after coming in from outside. After a long recess, practice or an afternoon at the park, a quick rinse and clean clothes wash pollen off hair and skin before it ends up on the pillow.
- Windows closed on high-pollen days, especially on windy mornings. Run the air conditioning with a clean filter and swap it before turning on the heat for the first time.
- Bedding washed weekly in hot water. Stuffed animals that sleep with your child go in the washer too, or spend some time in the freezer.
- Humidity under control. Run the bathroom fan after showers, look for leaks under the sink and don't leave damp laundry sitting in the dryer overnight.
- No jumping into leaf piles. It's fun, but that is where mold gathers.
- Pets out of the bedroom, even if your child begs.
About medicines: there are non-drowsy antihistamines for children, nasal sprays and eye drops, but the type and amount depend on age, weight and symptoms. Don't give a child an adult tablet cut in half or whatever a sibling has left over, and avoid combination cough syrups in young kids. Ask first.
When to bring your child in
An allergy visit is worthwhile if your child:
- Has had sneezing, clear mucus or watery eyes for more than two weeks.
- Coughs at night several times a week or wakes up from the cough.
- Wheezes, gets winded faster than classmates in PE, or already has asthma that seems worse.
- Snores, breathes through the mouth all the time or arrives at school tired.
- Gets itchy hives or welts that come and go.
- Took a remedy and saw no improvement.
If there is also a fever, a bad sore throat or ear pain, the right visit is flu, cough and respiratory illness care. When a sore throat comes with fever but no cough, a strep test helps rule out a bacterial infection, with results in a few minutes.
When to call 911
Don't wait for the clinic if you see any of these:
- Your child breathes very fast, the skin pulls in between the ribs or at the neck with each breath, or they can't finish a sentence.
- Bluish or grayish lips or nails.
- Swelling of the lips, tongue or face, or hives spreading quickly after eating something, taking a medicine or getting stung.
- Dizziness, fainting or a very drowsy child who doesn't respond as usual.
If your child has a prescribed epinephrine auto-injector, use it and call 911.
What happens during the visit
At the clinic, the medical team asks when the symptoms began, when they get worse and what at home or at school might be setting them off. Then they look at the nose, throat, ears, lungs and skin, and check whether the cough is related to asthma. From there they build a plan that mixes changes at home with treatment suited to your child's age, and if a spray, eye drops or an antihistamine is needed, that order travels as an e-prescription to whichever pharmacy suits your family, maybe the corner store you drive past every afternoon after school lets out. If anything needs adjusting, a follow-up is set for two to four weeks later.
Bring the cough log, a list of what you have already given and, if you have them, photos of the hives or the puffy eye, since symptoms often vanish right as you walk in.
Close to home, in 77502
Clínica Hispana Corazón y Vida is in Pasadena, in ZIP 77502, a few minutes from South Houston, Deer Park and Red Bluff. You can walk in when last night's cough made it clear something is off, or call to book a time after school. The first consultation is free; if your family has no insurance, the rest is paid directly and we tell you the cost before any test or treatment. A full night of sleep is part of doing well in class, too.
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