Grazax

Presciption Medicine
  • Reduces grass pollen allergy symptoms
  • Desensitizes the immune system
  • Convenient once-daily sublingual tablet
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Product Information

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Medically Verified
Dr.J Vázquez | Expert Transtoyou

Dr. Josefina Vázquez

General Medicine Doctor | REG: 282889782
Reviewed on: 30 March, 2025 View Profile

Dr. Josefina Vázquez is an experienced physician with over three years in emergency medicine, reanimation, and specialized transport.

Grazax is a sublingual immunotherapy (SLIT) tablet designed to treat grass pollen allergies by gradually desensitizing the immune system to grass pollen allergens. It contains a standard allergen extract from Timothy grass pollen, helping reduce the severity of allergic reactions over time.

Grazax is typically prescribed for individuals with severe grass pollen allergies that significantly affect their quality of life.
It is taken once daily, starting several months before and continuing throughout the grass pollen season for optimal effectiveness.

The treatment works by exposing the immune system to small, controlled doses of grass pollen allergens, reducing the body’s sensitivity and providing long-term relief.
Grazax is most effective when used as part of a comprehensive allergy management plan that includes avoiding allergens and using other medications as needed.

Common side effects include mild itching or swelling in the mouth, throat irritation, or gastrointestinal discomfort, which usually resolve as the body adjusts to treatment.

General Information

What is [Product name]?

Grazax is a prescription sublingual immunotherapy tablet used to treat grass pollen allergies.

What is [Product name] used for?

It is used to desensitize the immune system to grass pollen allergens and reduce allergic reactions during pollen season.

How does [Product name] work in the body?

Grazax works by exposing the immune system to small doses of grass pollen allergens, reducing sensitivity and allergic reactions over time.

What is the general recommended dosage for [Product name]?

The usual dose is one tablet daily, taken as prescribed by your doctor.

How long does it take to feel the effects of [Product name]?

Grazax begins to take effect after several weeks of consistent use, with full benefits typically seen after 2-3 months.

What should I do if I forget a dose?

Take the missed dose as soon as you remember. If it is close to your next dose, skip the missed one and continue your regular schedule. Do not double the dose.

Safety & Side Effects

What are the possible side effects of [Product name]?

Common side effects include itching or swelling in the mouth, throat irritation, and gastrointestinal discomfort. Rare but serious side effects include severe allergic reactions or anaphylaxis.

Does [Product name] affect sleep or alertness?

Grazax does not usually cause drowsiness or affect alertness.

Can [Product name] cause allergies?

Grazax may cause mild allergic reactions, such as itching or swelling in the mouth. Severe reactions are rare but require immediate medical attention.

Can I combine [Product name] with other medications?

Inform your doctor of all medications you are taking, as Grazax may interact with certain medications used to treat allergies or asthma.

Can I use this if I am pregnant or breastfeeding?

Grazax should not be started during pregnancy because of the risk to the baby. There is limited evidence about using Grazax in pregnancy. If you become pregnant, or are thinking about getting pregnant please let the doctor know.

Is it safe to drink alcohol while using [Product name]?

Yes, but alcohol consumption does not typically interact with Grazax. However, consult your doctor for personalized advice.

Usage & Administration

How do I administer [Product name]?

Place the tablet under your tongue and allow it to dissolve completely. Avoid swallowing for at least 1 minute.

Who should not take [Product name]?

Grazax is not suitable for individuals with severe uncontrolled asthma, those allergic to any of its ingredients, or those with a history of severe allergic reactions to immunotherapy.

What if I take too much [Product name]?

Overdose symptoms may include increased allergic reactions, such as swelling or itching. Seek immediate medical attention if an overdose is suspected.

How should I store [Product name] properly?

Store in the original packaging at room temperature, away from heat and moisture. Keep out of reach of children.

Is [Product name] safe for long-term use?

Yes, Grazax is designed for long-term use, often for several allergy seasons, under medical supervision.

Should I take [Product name] with food?

Grazax can be taken with or without food. Follow your doctor’s instructions.

Can I crush or dissolve the tablet in water?

No, Grazax tablets should not be broken or crushed. They must dissolve under the tongue.

Ordering & Delivery

How can I order [Product name] online?

Ordering Grazax is simple: choose your consultation method, get medical approval and the pharmacy will make sure it is delivered straight to your door.

Do I need a prescription for [Product name]?

Grazax requires a valid prescription, which is issued after an online health assessment or video consultation.

How fast is [Product name] delivered?

After approval by a doctor, the prescription of Grazax is forwarded to the pharmacy and typically shipped within 1–2 working days.

Can I return [Product name] if I change my mind?

Once a prescription is issued and Grazax is sent from the pharmacy, returns are not possible.

Product Documentation

All Variants

Select a variant to see specific documentation. Leaflets are provided for information purposes only. The official leaflet in the language of the country of delivery is supplied with the order.

EN

Grazax

111.48 KB Feb 2026
Informational leaflet with dosage instructions and safety information.
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Prescription Issued, Included

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