Boots WebMD Partners in Health
Return To Boots

Medicines & treatments centre

Terms Of Use

MIZOLASTINE

Brand Name(s) : Mizollen
Warnings
Uses
Side Effects
Precautions
Interactions
Overdose

MIZOLASTINE WARNINGS

Mizolastine should be used with caution in: the elderly; patients who have diabetes (when blood sugar level is uncontrolled); patients whose levels of salt substances in the blood sometimes change (electrolyte imbalance); patients who have problems with irregular heart beat (cardiac arrhythmias)

It should not be used in: patients who are allergic (hypersensitive) to mizolastine or any of the other ingredients; patients who are taking a macrolide antibiotic (such as erythromycin, clarithromycin, azithromycin); patients who are taking an imidazole antifungal drug (such as ketoconazole, fluconazole, itraconazole, used to treat fungus infections); patients who have liver problems; patients who have heart problems; patients with a history of an irregular heart beat or a slow heart rate; patients who have an abnormal ECG (electrical recording of your heart beat); patients who are already taking medicines for an irregular heart beat; patients who have abnormal levels of salts in the blood, in particular low potassium levels.

Also see list of precautions and interactions.

STORAGE

Do not store above 25°C.

MIZOLASTINE USES

What is it used for?

  • Mizolastine is used to relieve the symptoms of some allergies.
  • It is an antihistamine.
  • It is used to relieve the symptoms of hayfever (seasonal allergic rhinitis), hives (urticaria) and other allergic reactions causing irritation of the eyes and nose (perennial allergic rhinoconjunctivitis).
  • In general this drug is used to treat the symptoms of some allergies, such as hay fever, hives and other allergic reactions causing irritation of the eyes and nose.
  • Benefits of being on this drug can include relief from the symptoms of hay fever, other allergic reactions and the treatment of hives.

Listed below are the typical uses of mizolastine.

  • Relieve symptoms of hayfever (seasonal allergic rhinitis) such as runny or itchy nose, sneezing, itchy throat, and watery, itchy, or red eyes
  • Relieve symptoms of hives (urticaria) such as itching, swelling and rashes
  • Relieve symptoms of other allergic reactions causing irritation of the eyes and nose (perennial allergic rhinoconjunctivitis)

On occasion your doctor may prescribe this medicine to treat a condition not on the above list.

HOW TO USE/TAKE

How often do I take it?

  • Take this medication by mouth usually once a day with plenty of water.
  • Use this medication for the duration of the prescription in order to get the most benefit from it.
  • Remember to use it at the same time each day - unless specifically told not to by your doctor.
  • It may take up to an hour before the full benefit of this drug takes effect.
  • Certain medical conditions may require different dosage instructions as directed by your doctor.

What dose?

  • Dosage is based on your age, gender, medical condition, response to therapy, and use of certain interacting medicines.

Do I need to avoid anything?

  • Mizolastine may make some people feel sleepy or dizzy. If you are affected in this way do not drive or operate machinery. Consult your doctor or pharmacist for more details.

When can I stop?

  • Always complete the full course as prescribed by your doctor.

MIZOLASTINE SIDE EFFECTS

If any of these persist or you consider them severe then inform your doctor or pharmacist.

Tell your doctor immediately if you develop any of the following symptoms: difficulty in breathing or wheezing, worsening of their asthma; palpitations (an irregular, hard, or rapid heartbeat).

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

A serious allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of a serious allergic reaction include: rash, itching/swelling (especially of the face/tongue/throat), dizziness, trouble breathing.

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

The Yellow Card Scheme allows you to report suspected side effects from any type of medicine (which includes vaccines, herbals and over the counter medicines) that you are taking. It is run by the medicines safety watchdog called the Medicines and Healthcare products Regulatory agency (MHRA). Please report any suspected side effect on the Yellow Card Scheme website.

MIZOLASTINE PRECAUTIONS

Before taking mizolastine, tell your doctor or pharmacist if you are allergic to it; or to other antihistamines; or if you have any other allergies.

This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist in case of: liver problems; heart problems; a history of an irregular heart beat or a slow heart rate; abnormal levels of salts in the blood, in particular low potassium levels.

Before using this medication tell your doctor or pharmacist your medical history, especially any of the following: diabetes; your levels of salt substances in your blood sometimes change (electrolyte imbalance); you have problems with your heart beat (cardiac arrhythmias).

Before having surgery, tell your doctor or dentist that you are taking this medication.

Does alcohol intake affect this drug?

  • Limit alcoholic beverages, as it may increase the drug side effects, such as dizziness or headaches.

The elderly: mizolastine should be used with caution in the elderly as it may make them feel drowsy and cause a fast or irregular heart beat.

Pregnancy and breastfeeding - please ensure you read the detailed information below

PREGNANCY

The safety of mizolastine has not been established during pregnancy. Ask your doctor or pharmacist if you have any doubts or questions about this.

It is sensible to limit use of medication during pregnancy whenever possible. However, your doctor may decide that the benefits outweigh the risks in individual circumstances and after a careful assessment of your specific health situation.

If you have any doubts or concerns you are advised to discuss the medicine with your doctor or pharmacist.

BREAST FEEDING

Mizolastine is not safe to take if you are breastfeeding, as it passes into the breast milk.

It is sensible to limit use of medication during breastfeeding whenever possible. However, your doctor may decide that the benefits outweigh the risks in individual circumstances and after a careful assessment of your specific health situation.

If you have any doubts or concerns you are advised to discuss the medicine with your doctor or pharmacist.

MIZOLASTINE INTERACTIONS

Before using this medicine, tell your prescriber of all the medicines you are taking including prescription medicines and medicines you have bought over the counter without a prescription. Tell your prescriber if you are taking vitamins or complementary remedies such as herbal products, as these can also interact with medicines.

If you are taking more than one medicine, these may interact with each other. Your prescriber may decide to use medicines which interact with each other if the benefit outweighs the risks. In these cases, the dose of your medicines may need to be adjusted or you may be monitored more closely.

The following medicines may interact with mizolastine:

  • Macrolide antibiotics such as erythromycin, clarithromycin, azithromycin
  • Antifungals, such as ketoconazole, fluconazole, itraconazole
  • Cimetidine, used to treat stomach ulcers
  • Ciclosporin, an immunosuppressant
  • Nifedipine, used to treat high blood pressure or heart disease

This information does not contain all possible interactions. Therefore, tell your prescriber of all the products you are using before taking this medicine.

If you have a question or want to discuss anything about your medicine, speak to your local pharmacist.

MIZOLASTINE OVERDOSE

The effects of overdose with Mizolastine are not known.

People who have taken too much Mizolastine, should contact your doctor or nearest hospital emergency department immediately.

If you think you, or someone you care for, might have accidentally taken more than the recommended dose of Mizolastine or intentional overdose is suspected, contact your local hospital, GP or if in England call 111. In Scotland call NHS 24. In Wales, call NHS Direct Wales. In the case of medical emergencies, always dial 999.

MISSED DOSE

If you miss a dose, take it as soon as you remember. If it is near the time of the next dose, skip the missed dose and resume your usual dosing schedule. Do not double the dose to catch up.

Find a medication

Search by medication name for information on over-the-counter or prescription medications including side effects and interactions.
indicates detailed medicines information

Source: Selected from data included with permission and copyrighted by Boots UK Limited. This copyrighted material is sourced from a licensed data provider and is not for distribution, except as may be authorised by the applicable terms of use.
CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgement of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse events, nor should it be construed to indicate that use of a particular medicine is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any medicine, changing any diet, or discontinuing any course of treatment.

Search for a medicine or treatment

Search by medicine name or treatment for information including side effects and interactions.

Ex. Simvastatin, Ibuprofen, Amitriptyline Hydrochlorine

Popular slideshows & tools on BootsWebMD

woman_holding_head_in_pain
How to help headache pain
rash on skin
Top eczema triggers to avoid
79x79_causes_of_fatigue_and_how_to_fight_it.jpg
Causes of fatigue & how to fight it
period_questions_answered
Tips to support digestive health
woman looking at pregnancy test
Is your body ready for pregnancy?
woman sleeping
Sleep better tonight
girl_sneezing_into_tissue
Treating your child's cold or fever
bucket with cleaning supplies in it
Cleaning and organising tips
adult man contemplating
When illness makes it hard to eat
woman holding stomach
Understand this common condition
cold sore
What you need to know