Fexofenadine is not recommended for treating hives in children under How to take it If you're taking 30mg fexofenadine tablets, you can take them with or without food. When to take it Try to take fexofenadine tablets at about the same time every day.
What if I forget to take it? Do not take 2 doses to make up for a forgotten dose. What if I take too much? Common side effects Common side effects of fexofenadine happen in more than 1 in people. Talk to your doctor or pharmacist if these side effects bother you or do not go away: feeling sick nausea feeling sleepy headaches dry mouth feeling dizzy Serious side effects It's rare to have a serious side effect with fexofenadine. Urgent advice: Contact for advice now if:.
Serious allergic reaction In rare cases, fexofenadine may cause a serious allergic reaction anaphylaxis. Information: You can report any suspected side effect using the Yellow Card safety scheme.
Visit Yellow Card for further information. What to do about: feeling sick — stick to simple meals and do not eat rich or spicy food. If this does not help, talk to your doctor. It's best not to drink alcohol. Take an everyday painkiller like paracetamol or ibuprofen. Move slowly and carefully. Avoid coffee, cigarettes, alcohol and recreational drugs.
If the dizzy feeling does not get better within a couple of days, speak to your pharmacist or doctor. Fexofenadine and pregnancy Fexofenadine is not usually recommended if you're pregnant as there is not a lot of information about its use in pregnancy.
Fexofenadine and breastfeeding If your doctor or health visitor says your baby is healthy, you can take fexofenadine while breastfeeding. Non-urgent advice: Tell your doctor if you're:. Check with your pharmacist or doctor if you're taking: ketoconazole , a medicine to treat fungal infections dronedarone, a medicine used in people who have had cardioversion to control their heart rate erythromycin , an antibiotic filgotinib or leflunomide, medicines to treat arthritis letermovir, a medicine used in people who have had a stem cell transplant pibrentasvir or velpatasvir, medicines to treat hepatitis C infection rifampicin, an antibiotic teriflunomide, a medicine to treat multiple sclerosis indigestion remedies containing aluminium or magnesium — leave about 2 hours between taking fexofenadine and taking your indigestion remedy medicines to treat cancer any medicine that makes you drowsy, gives you a dry mouth, or makes it difficult for you to pee — taking fexofenadine might make these side effects worse Mixing fexofenadine with herbal remedies and supplements There's very little information about taking herbal remedies and supplements with fexofendadine.
Ask your pharmacist for advice. Important: Medicine safety Tell your doctor or pharmacist if you're taking any other medicines, including herbal medicines, vitamins or supplements.
How does fexofenadine work? Fexofenadine blocks the effects of histamine and reduces these symptoms. When will I feel better? You should start to feel better within 1 to 2 hours. How long should I take fexofenadine for? It depends on why you're taking fexofenadine. Is it safe to take fexofenadine for a long time? Can I drink alcohol with it? Is there any food or drink I need to avoid?
Can I drive or ride a bike with it? Does fexofenadine cause weight gain? Fexofenadine is not known to cause weight gain. What's the difference between fexofenadine and other antihistamines? What's the difference between fexofenadine and other non-drowsy antihistamines? Can I take it with painkillers?
Can I take 2 different antihistamines together? Do not take 2 antihistamines together unless your doctor advises you to. Can I take fexofenadine with other hay fever treatments?
Can I take fexofenadine at higher doses than on the packet? Will it affect my fertility? Will it affect my contraception? Can lifestyle changes relieve hay fever? Tips for when you're outside Do not cut grass or walk on grass. Wear wraparound sunglasses to stop pollen getting into your eyes. Put Vaseline around your nostrils to help trap pollen. Shower and change your clothes after you have been outside to wash off pollen. Tips for when you're inside Keep windows and doors shut as much as possible.
Protect from excessive moisture. Compare Allegra. What causes allergies, anyway? This causes allergy symptoms like sneezing, runny nose, itchy, watery eyes or an itchy throat.
Allegra contains a powerful, non-drowsy antihistamine that relieves symptoms, so you can get back to living your life. Learn the Basics. Get non-drowsy relief, packaged in a gelcap. Allegra Gelcaps. This site is intended for healthcare professionals. Close modal Continue to Healthcare Professionals site.
Egton Medical Information Systems Limited has used all reasonable care in compiling the information but make no warranty as to its accuracy. Consult a doctor or other health care professional for diagnosis and treatment of medical conditions.
For details see our conditions. In this article About fexofenadine Before taking fexofenadine How to take fexofenadine Getting the most from your treatment Can fexofenadine cause problems?
How to store fexofenadine Important information about all medicines. Fexofenadine tablets Telfast, Allegra In this article About fexofenadine Before taking fexofenadine How to take fexofenadine Getting the most from your treatment Can fexofenadine cause problems? Common fexofenadine side-effects these affect fewer than 1 in 10 people What can I do if I experience this?
Headache Drink plenty of water and ask your pharmacist to recommend a suitable painkiller. If the headaches continue, let your doctor know Feeling tired or dizzy Do not drive and do not use tools or machines until you feel better.
Do not drink alcohol Feeling sick nausea Stick to simple meals - avoid spicy foods. If you have any questions about this medicine ask your pharmacist. Are you protected against flu? Further reading and references. Join the discussion on the forums. Health Tools Feeling unwell? Assess your symptoms online with our free symptom checker.
Start symptom checker. Common fexofenadine side-effects these affect fewer than 1 in 10 people.
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