Betahistina
Betahistina Uses, Dosage, Side Effects, Mechanism of Action, How Long Does it Take to Work? Betahistina is a brand name. Its generic name is Betahistine.
Betahistina Introduction
Betahistina is a drug prescribed to people to treat symptoms of vertigo, tinnitus, and Meniere’s disease. It works by widening the blood vessels in the inner ear. It is also known as Serc and Betaserc.
Uses For Betahistina
Betahistina is used to treat symptoms of Meniere’s disease, including vertigo, tinnitus, and dizziness. It is also used to treat nausea, vomiting and hearing loss associated with Meniere’s disease.
Mechanism Of Action
Betahistina works by widening the blood vessels in the inner ear, allowing more blood to flow through the area and reducing the effects of vertigo. It also reduces the amount of fluid in the inner ear. Additionally, it increases histamine levels in the brain which can help reduce the symptoms of vertigo and tinnitus.
How Long Does It Take To Work?
It usually takes several weeks for Betahistina to start working. Your doctor may adjust the dosage to find the right amount that works best for you. It can take up to six weeks for Betahistina to reach its full effect.
Absorption
Betahistina is rapidly and completely absorbed after oral administration. It has a bioavailability of 89-100% and peak plasma concentrations are reached within one hour of administration.
Route Of Elimination
Betahistina is primarily eliminated through kidney excretion. It is metabolized in the liver and excreted in the urine in the form of metabolites.
Dosage
Betahistina is available in 8 mg tablets. The usual dosage for treating vertigo and tinnitus is 8-24 mg, 3-4 times daily. For Meniere’s disease, the usual dosage is 16-48 mg, 2-3 times daily.
Administration
Betahistina is usually taken orally. It can be taken with or without food. Swallow the tablets whole with a glass of water.
Side Effects
Common side effects of betahistine include headache, nausea, dizziness, and fatigue. Rare side effects include diarrhoea, vomiting, abdominal pain, rash, and itching. In some cases, betahistine may cause an allergic reaction that may be serious.
Toxicity
Betahistina is generally considered safe; however, an overdose may cause dizziness, vomiting, nausea, and abdominal cramps. If you experience any of these symptoms, contact your doctor immediately.
Precaution
Before taking betahistine, tell your doctor if you are pregnant, planning to become pregnant, or are breastfeeding. Betahistina may not be suitable for everyone and may cause side effects in some people. Tell your doctor about any other medications you are taking, including vitamins, minerals, and herbal supplements.
Interaction
Drug interactions may occur if betahistine is taken with certain medications. This includes anticholinergic drugs, tricyclic antidepressants, and other drugs that affect the brain or nervous system. Your doctor may need to adjust your dosage if you are taking any of these medications. Tell your doctor about any medications you are taking.
Disease Interaction
Betahistina may not be suitable for people with certain diseases or health conditions, such as asthma, glaucoma, high blood pressure, liver or kidney disease, and thyroid disease. Tell your doctor if you have any of these conditions.
Drug Interaction
There are some drugs that interact with betahistine, such as certain anticholinergic drugs, tricyclic antidepressants, and medications used to treat anxiety or depression. It is important to tell your doctor about any medications you are taking before starting betahistine.
Food Interactions
Betahistina should not be taken with grapefruit juice or foods that are high in tyramine, as this can increase the risk of side effects. Alcohol should also be avoided while taking betahistine.
Pregnancy Use
Betahistina should not be used during pregnancy unless it is considered essential by your doctor. If you are pregnant or planning to become pregnant, tell your doctor before starting Betahistina.
Lactation Use
Betahistina should not be used while breastfeeding. It is not known whether betahistine passes into breast milk and could harm a nursing baby. Talk to your doctor before taking betahistine if you are breastfeeding.
Acute Overdose
An overdose of betahistine can cause nausea, vomiting, dizziness, and abdominal pain. If you think you have overdosed on betahistine, contact your doctor or poison control center immediately.
Contraindication
Betahistina is contraindicated in people with a known hypersensitivity to betahistine, in people with severe liver disease, and in people with a history of glaucoma, a history of urinary retention, or certain other conditions. Talk to your doctor before taking betahistine.
Use Direction
Betahistina should be taken as directed by your doctor. Usually, it is taken three to four times daily. Do not take more than the prescribed dosage. It is important to take betahistine at regular intervals to ensure the drug works its best.
Storage Condition
Betahistina should be stored at room temperature, away from moisture and heat. Do not store it in the bathroom. Keep the medication away from children and pets.
Volume Of Distribution
The volume of distribution of betahistine is 8-21 L/kg.
Half Life
The half-life of betahistine is 29 hours.
Clearance
The clearance of betahistine is 0.38 L/hr/kg.
Here you find in details version of Betahistina
Some Frequently Asked Questions About Betahistina
What is Betahistina?
Betahistina is a prescription medication used to reduce symptoms of vertigo due to Meniere's disease. It works by increasing the blood flow in the inner ear, which can help reduce spontaneous episodes of vertigo.
What is the main purpose of taking Betahistina?
The primary purpose of taking Betahistina is to reduce the symptoms associated with Meniere's disease such as vertigo, tinnitus, and hearing loss.
How often should I take Betahistina?
Betahistina is typically taken 1 to 3 times per day depending on your doctor's instructions. It is important to take the medicine regularly to keep your symptoms under control. Your doctor may also advise you to take the medicine on an empty stomach.
What are the side effects of Betahistina?
The most common side effects of Betahistina are nausea, headache, dizziness, drowsiness, flushing, and stomach upset. Other side effects may include rash, difficulty sleeping, and vision changes. If any of these side effects become severe or don't go away, talk to your doctor.
Is Betahistina safe for long-term use?
It is generally safe to use Betahistina long-term, although your doctor may want to monitor you over time. Talk to your doctor about any concerns you may have regarding the safety of using Betahistina for a long period of time.
What happens if I forget to take a dose of Betahistina?
If you forget to take a dose of Betahistina, take it as soon as possible and then continue on your regular dosing schedule. Do not take two doses at the same time to make up for a missed dose.
Can I take Betahistina with other medications?
In general, it is safe to take Betahistina with other medications. However, you should always tell your doctor about any other medications you are taking before starting Betahistina. This way, the doctor can determine if any changes need to be made to your medication regimen.
Are there any interactions between Betahistina and alcohol?
It is not recommended to drink alcohol while taking Betahistina as alcohol can increase the risk of side effects and reduce the effectiveness of the medicine. If you do choose to drink alcohol, make sure to drink in moderation and talk to your doctor about any concerns you may have.
Is Betahistina available in generic form?
Yes, Betahistina is available in generic form. Generic forms of Betahistina are typically less expensive than the brand name medication, but they may not be available in all pharmacies.
What is the most important information I should know about Betahistina?
The most important thing to remember when taking Betahistina is to take it as directed by your doctor or as indicated on the medication label. It is also important to tell your doctor if you are pregnant, breastfeeding, or planning to become pregnant so the doctor can determine if the medicine is safe for you to take.
Does Betahistina have any other uses aside from treating Meniere's disease?
Betahistina is currently approved for use only in treating Meniere's disease. It is not indicated for use in treating any other conditions.
How long does it take for Betahistina to start working?
It may take up to several weeks for Betahistina to start working and reduce your symptoms of Meniere's disease. Your doctor may adjust your dose or add other medications to your regimen if the medicine does not seem to be working after a period of time.
Can I take Betahistina while pregnant or breastfeeding?
The safety of taking Betahistina while pregnant or breastfeeding has not been fully established. Talk to your doctor before taking this medication if you are pregnant, breastfeeding, or planning to become pregnant.
Does Betahistina improve hearing loss associated with Meniere's disease?
Betahistina can help reduce the symptoms of vertigo associated with Meniere's disease, but it is not known to improve hearing loss. If your hearing loss is severe, your doctor may recommend additional treatments such as surgery or hearing aids.
What are the possible drug interactions of taking Betahistina?
Common drug interactions associated with Betahistina include certain anticonvulsant and anticoagulant medications, as well as medications for treating high blood pressure. Be sure to tell your doctor about all medications you are taking before starting Betahistina.
Can I buy Betahistina over-the-counter?
Betahistina is a prescription medication and is not available for purchase over-the-counter. You will need a prescription from your doctor in order to buy it.
What is the usual dose of Betahistina?
The usual starting dose of Betahistina is 16 mg taken 3 times per day. Your doctor may adjust your dose based on your response to treatment. It is important to take the medication as directed by your doctor in order to get the most benefit from it.
Are there any alternatives to Betahistina?
Yes, there are several alternatives to Betahistina for treating symptoms of Meniere's disease. These include antihistamines, diuretics, corticosteroids, and antiseizure medications. Talk to your doctor to determine which one is right for you.
What should I do if I experience an allergic reaction to Betahistina?
Stop taking Betahistina immediately and seek medical attention if you experience any serious allergic reaction such as difficulty breathing, swelling of the face or throat, severe rash or hives, or itching or swelling of the eyes.
Can I take Betahistina with other treatments for Meniere's disease?
Yes, Betahistina can be taken in combination with other treatments for Meniere's disease such as diuretics, corticosteroids, or antiseizure medications. Talk to your doctor about the best treatment plan for you.
Can Betahistina be taken with other vitamins or supplements?
Yes, it is generally safe to take Betahistina with other vitamins or supplements. However, talk to your doctor about any other medications you are taking before starting treatment with Betahistina to make sure it is safe.
Is Betahistina habit-forming?
No, Betahistina is not known to be habit-forming. However, if you find that you need to take larger doses of the medication than prescribed, or if you take it more frequently than prescribed, talk to your doctor.
What should I do if I miss a dose of Betahistina?
If you forget the take a dose of Betahistina, take it as soon as possible and then continue with your regular dosing schedule. Do not take two doses at the same time to make up for a missed dose.
What is the difference between Betahistina and Antivert?
Betahistina and Antivert are both used to treat vertigo, but they work in different ways. Betahistina works by increasing blood flow in the inner ear, while Antivert helps to reduce the abnormal nerve signals associated with vertigo. Talk to your doctor to determine which one is right for you.
I am having trouble swallowing the Betahistina tablets. What can I do?
If you are having difficulty swallowing Betahistina tablets, it is possible to dissolve the tablets in water and drink them as a solution. If you have trouble with this method, talk to your doctor about other ways to take Betahistina such as liquid or orally disintegrating tablets.
Does Betahistina have any effect on tinnitus?
Betahistina is most effective in treating vertigo associated with Meniere's disease, but it can also help reduce symptoms of tinnitus in some cases. Talk to your doctor about any concerns you have regarding the effectiveness of Betahistina for your symptoms.
Are there any lifestyle changes I should make while taking Betahistina?
Your doctor may recommend lifestyle changes to help reduce your symptoms of Meniere's disease. This may include maintaining a healthy diet, avoiding alcohol and caffeine, getting enough sleep, and reducing stress. Talk to your doctor for more specific advice.
What if I forget to take Betahistina before I go to bed?
It is important to take Betahistina as directed by your doctor or as indicated on the medication label. If you forget to take a dose before bed, take it as soon as possible and then continue on your regular dosing schedule.
What form does Betahistina come in?
Betahistina is available in tablet form. It is typically taken 1 to 3 times per day, depending on your doctor's instructions.
Should I take Betahistina with food?
Your doctor may recommend that you take Betahistina on an empty stomach or with food, depending on your personal preference and medical history. It is important to follow your doctor's instructions when taking this medication.
Can children take Betahistina?
Betahistina is not recommended for use in children under the age of 18. Talk to your doctor if you have any concerns about giving Betahistina to your child.
Can I take Betahistina for longer than the recommended period?
It is generally safe to take Betahistina for longer than the recommended period if you have been prescribed it for a chronic condition such as Meniere's disease. Make sure to talk to your doctor if you have any concerns about taking the medication for a longer period of time.
What should I do if I experience nausea while taking Betahistina?
Nausea is a common side effect of taking Betahistina. If you are experiencing nausea, you may want to try taking the medication with food or splitting the tablets in half and taking them in smaller doses. If the nausea persists, talk to your doctor.
Can I stop taking Betahistina if I feel better?
It is important to take Betahistina as prescribed by your doctor. If you feel that your symptoms have improved, talk to your doctor before stopping the medication. Stopping the medication abruptly can cause your symptoms to return.
Does Betahistina increase blood pressure?
In most cases, Betahistina does not affect blood pressure. However, if you have high blood pressure, make sure to talk to your doctor before taking this medication.
How long does it take for Betahistina to be absorbed in the body?
Betahistina is typically absorbed in the body in about 30 minutes. It is important to take the medication as directed in order to achieve the most benefit from it.