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Vivarin

Vivarin
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Vivarin

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The iMedixStars rating goes beyond a simple average of reviews. It’s calculated based on various factors, including the quantity, recency, and reliability of the reviews. Read More

Search for medical details concerning Vivarin oral on iMedix including its uses, side effects and safety, interactions, pictures, warnings and user ratings.
  • iMedix
  • Updated 2024-08-24
  • Published 2024-02-19

Side Effects

Nausea, vomiting, stomach upset, trouble sleeping, or increased urination may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly.

If your doctor has directed you to use this medication, remember that your doctor 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.

Tell your doctor right away if you have any serious side effects, including: dizziness, mental/mood changes (such as nervousness, agitation), shaking (tremor), fast/irregular heartbeat.

A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe 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.

In the US – Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch.

In Canada – Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

How long does it take for this medicine to take effect?

The onset of effect for Vivarin, a caffeine-containing stimulant, typically occurs within 15 to 30 minutes after ingestion. Caffeine is rapidly absorbed from the gastrointestinal tract into the bloodstream, reaching peak plasma concentrations within one to two hours.

How long do the effects of this medicine last?

The effects of Vivarin typically last for about four to six hours, although individual responses may vary based on factors such as metabolism, dose, and sensitivity to caffeine.

Is it safe to consume alcohol while taking this medicine?

While moderate consumption of alcohol is unlikely to interact significantly with Vivarin, excessive alcohol intake should be avoided due to the potential for increased central nervous system stimulation and adverse effects such as palpitations, anxiety, and insomnia.

Is this a habit forming medicine?

Vivarin has the potential for habit formation, particularly with frequent or excessive use. Prolonged or high-dose use of caffeine-containing products like Vivarin may lead to tolerance, dependence, and withdrawal symptoms upon discontinuation.

Can this medicine be taken during pregnancy?

Limited data are available regarding the safety of caffeine intake during pregnancy. While occasional, moderate consumption of caffeine is generally considered safe, pregnant individuals are advised to limit their caffeine intake and consult with healthcare professionals regarding the use of caffeine-containing products like Vivarin.

Can this medicine be taken while breast-feeding?

Caffeine from Vivarin can pass into breast milk, and therefore, it is recommended to limit caffeine intake while breastfeeding. Moderate caffeine consumption is usually considered safe, but excessive intake may lead to irritability and poor sleep in breastfed infants. Individuals should consult with healthcare providers for personalized advice on caffeine consumption while breastfeeding.

Uses

This medication is used occasionally to help you stay awake and alert when you are feeling tired and/or drowsy. Caffeine is a mild stimulant.This medication should not be used to replace sleep.This medication should not be used by children younger than 12 years old.

How to use Vivarin

Take this product by mouth as directed. Follow all directions on the product package, or take as directed by your doctor. If you have any questions, ask your doctor or pharmacist.

This medication should only be used as needed, not on a regular basis. Though very unlikely, this medication may be habit-forming. Do not increase your dose, take it more often than directed, or take it regularly for a long time.

If you suddenly stop using this medication, you may have withdrawal symptoms (such as headaches, mental/mood changes such as irritation/nervousness). To help prevent withdrawal, your doctor may lower your dose slowly. Withdrawal is more likely if you have used caffeine for a long time or in high doses. Tell your doctor or pharmacist right away if you have withdrawal.

When used for an extended period, this medication may not work as well. Talk with your doctor if this medication stops working well.

Tell your doctor if your condition lasts, gets worse, or continues to occur again. If you think you may have a serious medical problem, get medical help right away.

Precautions

Before taking caffeine, tell your doctor or pharmacist if you are allergic to it; or to other xanthine drugs (such as theophylline); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: heart disease (such as irregular heart rhythm, recent heart attack), high blood pressure, stomach/intestinal ulcers, mental/mood disorders (such as anxiety, nervousness).

Before having surgery or certain medical procedures (such as a heart stress test or a procedure to restore a normal heart rhythm if you have an unusually fast heartbeat), tell your doctor or dentist that you use this medication and about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).

Older adults may be more sensitive to the side effects of this drug, especially trouble sleeping.

During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.

This drug passes into breast milk. Consult your doctor before breast-feeding.

Overdose

If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center. Symptoms of overdose may include: stomach/abdominal pain, mental/mood changes, seizures, fast/irregular heartbeat.

Keep all medical and lab appointments.

Not applicable.

Refer to storage information printed on the package. Protect from light and moisture. Do not store in the bathroom. If you have any questions about storage, ask your pharmacist. Keep all medications away from children and pets.

Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company.

Interactions

Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor’s approval.

Some products have ingredients that could raise your heart rate or blood pressure. Tell your pharmacist what products you are using, and ask how to use them safely (especially cough-and-cold products, diet aids, or headache medications).

Avoid drinking large amounts of beverages containing caffeine (coffee, tea, certain sodas) or eating large amounts of chocolate while taking this medication.

This medication may interfere with certain medical/lab tests (such as urine VMA/catecholamines levels, dipyridamole-thallium imaging test), possibly causing false test results. Make sure lab personnel and all your doctors know you use this drug.

How do you take Vivarin?
Have you experienced any side effects while taking Vivarin?
How much has your condition improved since starting Vivarin?
What do you use Vivarin for?
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Question 1

How do you take Vivarin?

Question 2

Have you experienced any side effects while taking Vivarin?

Question 3

How much has your condition improved since starting Vivarin?

Question 4

What do you use Vivarin for?

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