ketotifen

English

Brand Name

Ketasma Tablet , Asthafen Tablet 10s ... show more

See indications for

Listen

What conditions ketotifen is used for
Ketotifen is used to treat allergies, which are reactions to substances like pollen, and asthma, which is a condition causing breathing difficulties. It helps reduce symptoms like sneezing, itching, and runny nose, and prevents asthma attacks by reducing inflammation in the airways.
How ketotifen works in the body
Ketotifen works by blocking histamine, which is a chemical that causes allergy symptoms. It acts like a shield, preventing the effects of allergens, and helps reduce inflammation in the airways to prevent asthma attacks.
The usual dosages and routes of administration of ketotifen
The usual starting dose for adults is 1 mg taken twice daily. It can be taken with or without food. For children, the dose may vary, and a doctor will provide specific instructions. Always follow your doctor's dosing instructions.
The most commonly observed adverse effects of ketotifen
Common side effects of ketotifen include drowsiness, which means feeling sleepy, and dry mouth, which is a lack of saliva. These effects are usually mild and may go away as your body adjusts to the medication.
Important safety warnings and contraindications of ketotifen
Ketotifen may cause drowsiness, so avoid driving until you know how it affects you. Do not take it if you are allergic to it. Use with caution if you have epilepsy, which is a condition causing seizures, as it may lower the seizure threshold.

Government Approvals

UK(BNF)

WHO Essential Medicine

Known Teratogen

Pharmaceutical Class

None

Controlled Drug Substance

Summary

What conditions ketotifen is used for
Ketotifen is used to treat allergies, which are reactions to substances like pollen, and asthma, which is a condition causing breathing difficulties. It helps reduce symptoms like sneezing, itching, and runny nose, and prevents asthma attacks by reducing inflammation in the airways.
How ketotifen works in the body
Ketotifen works by blocking histamine, which is a chemical that causes allergy symptoms. It acts like a shield, preventing the effects of allergens, and helps reduce inflammation in the airways to prevent asthma attacks.
The usual dosages and routes of administration of ketotifen
The usual starting dose for adults is 1 mg taken twice daily. It can be taken with or without food. For children, the dose may vary, and a doctor will provide specific instructions. Always follow your doctor's dosing instructions.
The most commonly observed adverse effects of ketotifen
Common side effects of ketotifen include drowsiness, which means feeling sleepy, and dry mouth, which is a lack of saliva. These effects are usually mild and may go away as your body adjusts to the medication.
Important safety warnings and contraindications of ketotifen
Ketotifen may cause drowsiness, so avoid driving until you know how it affects you. Do not take it if you are allergic to it. Use with caution if you have epilepsy, which is a condition causing seizures, as it may lower the seizure threshold.

Indications and Purpose

How does ketotifen work?

Ketotifen is an antihistamine that works by blocking histamine, which is a chemical that causes allergy symptoms. It helps reduce symptoms like sneezing, itching, and runny nose. For asthma, it helps prevent attacks by reducing inflammation in the airways. Think of it as a shield that blocks the effects of allergens.

Is ketotifen effective?

Ketotifen is effective in managing allergic conditions like hay fever and asthma. It works by blocking histamine, which is a chemical that causes allergy symptoms. Clinical studies show ketotifen helps reduce symptoms like sneezing, itching, and runny nose. It is also used to prevent asthma attacks. Always follow your doctor's instructions for the best results.

What is ketotifen?

Ketotifen is an antihistamine used to treat allergic conditions like hay fever and asthma. It works by blocking histamine, which is a chemical that causes allergy symptoms. Ketotifen is also used to prevent asthma attacks. It is usually taken as a long-term treatment to manage symptoms.

Directions for Use

For how long do I take ketotifen?

Ketotifen is usually used for long-term management of allergies or asthma. Your doctor will determine how long you need to take it based on your condition and response to treatment. Always follow your doctor's instructions and do not stop taking ketotifen without consulting them.

How do I dispose of ketotifen?

Dispose of unused ketotifen by taking it to a drug take-back program or collection site at a pharmacy or hospital. If you can't find a take-back program, you can throw it in the trash at home. First, mix it with something undesirable like used coffee grounds, seal it in a plastic bag, and throw it away.

How do I take ketotifen?

Take ketotifen as directed by your doctor, usually once or twice daily. It can be taken with or without food. If you miss a dose, take it as soon as you remember unless it's almost time for your next dose. In that case, skip the missed dose and continue your regular schedule. Do not double up on doses. Always follow your doctor's specific instructions regarding the use of ketotifen.

How long does it take for ketotifen to start working?

Ketotifen may take several weeks to show its full effects, especially for asthma prevention. For allergy symptoms, you might notice improvement within a few days. The time it takes to work can vary based on individual factors. Take it as prescribed for the best results.

How should I store ketotifen?

Store ketotifen at room temperature, away from moisture and light. Keep it in a tightly closed container. Do not store it in the bathroom, where humidity can affect the medication. Always keep ketotifen out of reach of children to prevent accidental ingestion.

What is the usual dose of ketotifen?

The usual starting dose of ketotifen for adults is 1 mg twice daily. Your doctor may adjust the dose based on your response and needs. For children, the dose may vary, and your doctor will provide specific instructions. Always follow your doctor's dosing instructions for your personal health needs.

Warnings and Precautions

Can I take ketotifen with other prescription drugs?

Ketotifen may interact with other medications that cause drowsiness, such as sedatives or alcohol. This can increase the sedative effects and make you feel more drowsy or dizzy. Always inform your doctor about all the medications you are taking to avoid potential interactions and ensure your treatment is safe.

Can ketotifen be taken safely while breastfeeding?

The safety of ketotifen while breastfeeding is not well-established. It's unclear if ketotifen passes into breast milk. If you're breastfeeding, talk with your doctor about the potential risks and benefits. They can help you decide if ketotifen is the right choice for you and your baby.

Can ketotifen be taken safely while pregnant?

The safety of ketotifen during pregnancy is not well-established. Limited data is available, so it's important to weigh the benefits and risks with your doctor. If you're pregnant or planning to become pregnant, discuss with your doctor the safest way to manage your condition during this time.

Does ketotifen have adverse effects?

Adverse effects are unwanted reactions to a medication. Common adverse effects of ketotifen include drowsiness and dry mouth. These effects are usually mild. Serious side effects are rare but can include allergic reactions. If you notice any new or worsening symptoms, contact your doctor. They can help determine if these symptoms are related to ketotifen.

Does ketotifen have any safety warnings?

Ketotifen has safety warnings you should be aware of. It may cause drowsiness, so avoid driving or operating heavy machinery until you know how it affects you. If you experience any signs of an allergic reaction, such as rash or difficulty breathing, seek medical help immediately. Always follow your doctor's advice and report any unusual symptoms.

Is it safe to drink alcohol while taking ketotifen?

It's best to avoid alcohol while taking ketotifen. Alcohol can increase the sedative effects of ketotifen, making you feel more drowsy or dizzy. If you do choose to drink, limit your alcohol intake and be cautious of how it affects you. Talk with your doctor about alcohol use while taking ketotifen.

Is it safe to exercise while taking ketotifen?

You can exercise while taking ketotifen, but be aware it may cause drowsiness. This might make you feel less alert during physical activity. To exercise safely, start with light activities and see how your body responds. If you feel dizzy or unusually tired, take a break and rest. Consult your doctor if you have concerns.

Is it safe to stop ketotifen?

Ketotifen is often used for long-term management of allergies or asthma. Stopping it suddenly may cause your symptoms to return. Always talk with your doctor before stopping ketotifen. They might suggest gradually reducing your dose to prevent a return of symptoms.

Is ketotifen addictive?

Ketotifen is not addictive or habit-forming. It doesn't cause dependency or withdrawal symptoms when you stop taking it. If you have concerns about medication dependence, you can feel confident that ketotifen doesn't carry this risk while managing your health condition.

Is ketotifen safe for the elderly?

Elderly individuals may be more sensitive to the side effects of ketotifen, such as drowsiness. This can increase the risk of falls. It's important for older adults to use ketotifen under close medical supervision. Your doctor may adjust the dose to minimize side effects and ensure safety.

What are the most common side effects of ketotifen?

Side effects are unwanted reactions that can happen when taking a medication. Common side effects of ketotifen include drowsiness and dry mouth. These effects are usually mild and may go away as your body adjusts to the medication. If you notice new symptoms after starting ketotifen, they might be temporary or unrelated to the medication. Talk with your doctor before stopping any medication.

Who should avoid taking ketotifen?

Do not take ketotifen if you are allergic to it or its ingredients. Serious allergic reactions require immediate medical help. Ketotifen should be used with caution in people with epilepsy, as it may lower the seizure threshold. Always consult your doctor about any concerns or conditions you have before starting ketotifen.