Fexopen 180 Mg is a once daily fexofenadine 180 mg tablet that targets histamine, the chemical behind many allergy symptoms. If you wake up stuffy, sneezy, and itchy when pollen kicks up, or you deal with stubborn hives, this type of antihistamine can help you feel more like yourself. Fexofenadine is known as a non drowsy option for most adults, which is why many people prefer it for daytime relief.
What Fexopen 180 Mg helps with
- Seasonal allergies such as hay fever with sneezing, runny or stuffy nose, and itchy or watery eyes
- Perennial allergic rhinitis from indoor triggers like dust mites or pet dander
- Chronic idiopathic urticaria, also called chronic hives, to reduce itching and the number of hives
How it works in simple terms
Fexofenadine blocks H1 histamine receptors. Histamine is a messenger your body releases during an allergic response that causes itch, swelling, and mucus. By blocking that signal, symptoms settle down. Because it is a second generation antihistamine, it is much less likely to make you sleepy than older options.
How to take it
- Usual adult dose: 180 mg once daily. Take with a full glass of water.
- You can take it with or without food, but avoid fruit juices like grapefruit, orange, or apple within 4 hours before or 1 to 2 hours after the dose. Juices can reduce absorption and make the tablet less effective.
- Separate from aluminum or magnesium antacids by at least 2 hours, since they can bind the medicine and lower absorption.
- If you miss a dose, take it when you remember unless it is close to the next dose. Do not double up.
When you will feel it
Many people notice relief within 1 hour, with a steady effect that lasts all day. For ongoing allergies, taking it at the same time every day keeps symptoms in check. For hives, your clinician may adjust timing or, in some cases, allow dose changes within guidelines if symptoms are persistent.
Common side effects
- Headache
- Dry mouth or mild throat irritation
- Nausea or stomach discomfort
- Feeling tired in a small number of people, though it is generally non drowsy
Stop and get help right away for swelling of the face or throat, wheezing, severe dizziness, or a widespread rash, which can signal a serious reaction.
Interactions and cautions
- Fruit juices can lower the amount your body absorbs. Water is best with your dose.
- Aluminum or magnesium antacids interfere with absorption. Keep a 2 hour gap.
- Erythromycin or ketoconazole can raise fexofenadine levels. Your prescriber will advise if this matters for you.
- Alcohol can add to fatigue in sensitive people. Keep it modest and see how you feel.
- Kidney disease may require a lower starting dose. Ask your clinician for a tailored plan.
Who should check with a clinician first
- Adults with chronic health conditions like kidney disease or severe liver disease
- Pregnant or breastfeeding people. There is limited human data, so get personalized guidance. Some clinicians prefer alternatives in pregnancy.
- Children and teens. Pediatric dosing is different and based on age and formulation.
- Anyone with persistent hives, wheezing, fever, sinus pain, or symptoms lasting beyond 2 to 3 weeks should be evaluated to rule out a different cause.
Simple tips that help allergies
- Rinse your nose with saline during high pollen days
- Shower and change clothes after outdoor time
- Use a HEPA filter and wash bedding weekly in hot water
- Keep windows closed during peak pollen hours and vacuum with a HEPA vacuum
What to avoid confusing it with
Fexofenadine treats allergy symptoms, not colds or flu infections. If you have fever, thick colored mucus, facial pain, or chest tightness that is getting worse, check in with a healthcare professional rather than just increasing allergy pills.
Available strengths in the market
Fexofenadine is commonly available as:
- 30 mg tablets or orally disintegrating tablets
- 30 mg per 5 mL oral suspension
- 60 mg tablets
- 120 mg tablets
- 180 mg tablets
Combination options also exist with pseudoephedrine for congestion relief, such as 60 mg fexofenadine plus 120 mg pseudoephedrine 12 hours and 180 mg fexofenadine plus 240 mg pseudoephedrine 24 hours. Use combinations only if a clinician says they are right for you.
Storage and handling
- Store at room temperature in a dry place
- Keep tablets in the original bottle or blister until use
- Keep out of reach of children and pets
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FAQs
What is Fexopen 180 Mg used for?
Fexopen 180 Mg contains fexofenadine 180 mg and is used for seasonal allergies, year round allergic rhinitis, and chronic hives. It helps reduce sneezing, runny nose, itchy eyes, and itchy welts.
Will Fexopen 180 Mg make me sleepy?
Fexofenadine is considered non drowsy for most adults. A small number of people still feel a bit tired, so try your first dose when you do not need to drive until you see how you react.
Can I take Fexopen 180 Mg with orange juice or coffee?
Take it with water. Fruit juices like orange, grapefruit, and apple can reduce absorption. Coffee is fine for most people, but avoid taking it with aluminum or magnesium antacids within 2 hours.
How long should I take it?
For seasonal allergies, many people use it through the pollen season. For chronic hives, your clinician will set a plan that may include longer use with periodic reviews. If symptoms persist beyond a few weeks, check in for next steps.
Can I combine Fexopen 180 Mg with a decongestant?
Sometimes. Combination products with pseudoephedrine exist, but they can raise blood pressure or cause jitteriness. Ask a clinician if a combo is right for you, especially if you have heart or blood pressure issues.

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