How to use Qudexy XR
Take this medication by mouth with or without food as directed by your doctor, usually once daily. You may swallow this medication whole, or you may open the capsule and sprinkle the contents on a teaspoonful of soft food (such as applesauce, yogurt). Swallow the drug/food mixture right away. Do not crush or chew the mixture. Do not prepare the mixture ahead of time for later use. Drink some liquid after swallowing the mixture to make sure all of the drug is swallowed.
To prevent kidney stones from forming, drink plenty of fluids while taking this medication unless otherwise directed by your doctor.
The dosage is based on your medical condition and response to treatment. For children, the dosage is also based on weight. To reduce your risk of side effects, your doctor may direct you to start this medication at a low dose and gradually increase your dose. Follow your doctor's instructions carefully.
Take this medication regularly to get the most benefit from it. To help you remember, take it at the same time each day. Do not stop taking this medication without consulting your doctor. Some conditions may become worse when this drug is suddenly stopped. Your dose may need to be gradually decreased.
Tell your doctor if your condition does not improve or if it worsens.
Tiredness, drowsiness, dizziness, loss of coordination, tingling of the hands/feet, loss of appetite, changes in how foods taste, diarrhea, and weight loss may occur. Mental problems such as confusion, slowed thinking, trouble concentrating or paying attention, nervousness, memory problems, or speech/language problems may also occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly.
Remember that this medication has been prescribed because 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: bone pain, signs of kidney stones (such as severe back/side/abdominal/groin pain, fever, chills, painful/frequent urination, bloody/pink urine), unusual bleeding/bruising.
Get medical help right away if you have any very serious side effects, including: rapid breathing, fast/slow/irregular heartbeat.
A small number of people who take anticonvulsants for any condition (such as seizures, bipolar disorder, pain) may experience depression, suicidal thoughts/attempts, or other mental/mood problems. Tell your doctor right away if you or your family/caregiver notice any unusual/sudden changes in your mood, thoughts, or behavior including signs of depression, suicidal thoughts/attempts, thoughts about harming yourself.
Rarely, topiramate may cause a very serious eye problem, usually within 1 month of starting treatment. This eye problem can lead to permanent blindness. Get medical help right away if any of these side effects occur: sudden vision changes (such as decreased vision, blurred vision), eye pain/redness.
This medication can rarely cause a serious metabolic problem (high amount of ammonia in the blood), especially if you are also taking valproic acid. Tell your doctor right away if you experience sudden/unexplained tiredness, vomiting, or mental changes (such as decreased alertness).
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.
Before taking topiramate, tell your doctor or pharmacist if you are allergic to it; 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: glaucoma, kidney problems (such as kidney stones), liver problems, lung/breathing problems, mental/mood problems (such as depression, thoughts of suicide), a certain metabolic imbalance (metabolic acidosis), a diet high in fat and low in carbohydrates (ketogenic diet), weak/brittle bones (osteoporosis).
This drug may make you dizzy or drowsy or affect your thinking/coordination. Alcohol or marijuana (cannabis) can worsen these effects. Do not drive, use machinery, or do anything that needs alertness until you can do it safely. Avoid alcoholic beverages. Talk to your doctor if you are using marijuana (cannabis).
Topiramate may make you sweat less, making you more likely to get heat stroke. Avoid doing things that may cause you to overheat, such as hard work or exercise in hot weather, or using hot tubs. When the weather is hot, drink a lot of fluids and dress lightly. If you overheat, quickly look for a place to cool down and rest. Get medical help right away if you have a fever that does not go away, mental/mood changes, headache, or dizziness.
Children may be more sensitive to the side effects of this drug, especially weakened bones, slowed growth rate, and decreased sweating. Consult your doctor or pharmacist for more details.
Older adults may be more sensitive to the side effects of this drug, especially dizziness. Dizziness can increase the risk of falling.
During pregnancy, this medication should be used only when clearly needed. It may harm an unborn baby. However, if you are taking this drug to treat seizures, note that untreated seizures are a serious condition that can harm both a pregnant woman and her unborn baby, so do not stop taking this medication unless directed by your doctor. Discuss the use of reliable forms of birth control with your doctor (see also Drug Interactions section). If you are planning pregnancy, become pregnant, or think you may be pregnant, immediately talk to your doctor about the benefits and risks of using this medication during pregnancy.
See also Side Effects section.
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.
A product that may interact with this drug is: orlistat.
This medication may decrease the effectiveness of hormonal birth control such as pills, patch, or ring. This could cause pregnancy. Discuss with your doctor or pharmacist if you should use additional reliable birth control methods while using this medication. Also tell your doctor if you have any new spotting or breakthrough bleeding, because these may be signs that your birth control is not working well.
Tell your doctor or pharmacist if you are taking other products that cause drowsiness including alcohol, marijuana (cannabis), antihistamines (such as cetirizine, diphenhydramine), drugs for sleep or anxiety (such as alprazolam, diazepam, zolpidem), muscle relaxants (such as carisoprodol, cyclobenzaprine), and opioid pain relievers (such as codeine).
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: severe drowsiness, loss of consciousness.
If you miss a dose, take it as soon as you remember. If it is near the time of the next dose, skip the missed dose. Take your next dose at the regular time. Do not double the dose to catch up. If you have missed more than one dose, ask your doctor or pharmacist for advice.
Store in a tightly closed container at room temperature away from light and moisture. Do not store in the bathroom. 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.
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CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.