Dosage form:   

Tablets 8, 16 mg

What is Actoserc (betahistine) used for?

• It is used to treat dizziness having to do with Meniere’s disease

Important notes before taking Actoserc (betahistine):

• Tell your doctor or pharmacist if you have an allergy to betahistine or any other part of this drug.
• Tell your doctor or pharmacist if you are allergic to any drugs like this one, any other drugs, foods, or other substances. Tell your doctor about the allergy and what signs you had, like rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
• Tell your doctor or pharmacist if you have an adrenal gland tumor called pheochromocytoma.
• Tell your doctor or pharmacist if you have ever had stomach or bowel ulcers.
• Do not give this drug to a child. 
• This is not a list of all drugs or health problems that interact with this drug.
• Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take this drug with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.

Important notes while taking Actoserc (betahistine):

• Tell all of your health care providers that you take this drug. This includes your doctors, nurses, pharmacists, and dentists.
• Avoid driving and doing other tasks or actions that call for you to be alert until you see how this drug affects you.
• If you are 65 or older, use this drug with care. You could have more side effects.
• Tell your doctor if you are pregnant or plan on getting pregnant. You will need to talk about the benefits and risks of using this drug while you are pregnant.
• Tell your doctor if you are breast-feeding. You will need to talk about any risks to your baby.

Actoserc (betahistine) side effects:

Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:

• Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat;
• Feeling sleepy;
• A heartbeat that does not feel normal;
• Dizziness or passing out.

All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:

• Headache;
• Upset stomach or throwing up;
• Stomach pain or heartburn;
• Bloating.

These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.

What do I do if I miss a dose?

Take a missed dose as soon as you think about it. If it is close to the time for your next dose, skip the missed dose and go back to your normal time.

Do not take 2 doses at the same time or extra doses.  

How do I store and/or throw out this drug?

• Store at room temperature.
• Store in a dry place. Do not store in a bathroom.
• Do not use this drug after expiry date. Throw away unused or expired drugs. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs.