If any of the following apply to you: Call your doctor for medical advice about side effects. The following are examples of common Topamax side effects: Get immediate medical attention if you experience symptoms of an allergic reaction to Topamax (hives, trouble breathing, swelling in your face or throat) or a severe skin reaction (fever, sore throat, burning eyes, skin pain, red or purple skin rash with blistering and peeling). Consult your doctor if you experience any new or worsening mood symptoms, such as mood or behavior changes, anxiety, panic attacks, trouble sleeping, or if you feel impulsive, agitated, hostile, aggressive, restless, hyperactive (mentally or physically), depressed, or have thoughts of suicide or self-harm. Other side effects could occur; this is not a comprehensive list. Symptoms of Topamax (more information) Contact the FDA at 1-800-FDA-1088 to report side effects. a skin rash, no matter how mild; vision issues, blurred vision, eye pain or redness, sudden vision loss (which can be permanent if not treated quickly); confusion; problems with thinking or memory; concentration; problems speaking; dehydration symptoms—lower sweating; high fever; hot and dry skin; kidney stone symptoms—severe pain in your side or lower back; painful or challenging urination; and indications of too much acid in your blood—irregular heartbeats, feeling dizziness, fatigue, sleepiness, sluggishness; issues with speech or memory; abnormal vision; numbness or tingling in your arms and legs; a decrease in sensation (especially in the skin); anxiety; nausea, diarrhea, stomach pain, or loss of appetite; a fever or weight loss; or cold-like symptoms like a runny nose, sneezing, or sore throat.
Before taking an opioid, a sleeping aid, a muscle relaxant, or a medication for anxiety or depression, consult your doctor. This list does not include all possible drug interactions. Topiramate may interact with other medications, including prescription and OTC drugs, vitamins, and herbal remedies. Tell your doctor about all of your current medications, in particular: This list is not complete. Topamax drug interactions (more information) This effect can get worse if Topamax is taken with other sedative medications. other glaucoma medications, such as eye drops, valproic acid, divalproex, birth control pills, or zonisamide.
If you experience any of the following symptoms, especially if they are new, worse, or worry you, get in touch with a medical professional right away: suicidal thoughts or attempts, new or worse depression, new or worse anxiety, restlessness, or agitation, difficulty sleeping (insomnia), new or worse irritability, acting violently or aggressively, acting on dangerous impulses, or a marked increase in talking and activity (mania). When necessary, especially if you are concerned about symptoms, call your doctor in between visits. If you've got a fever or lessened sweating, get in touch with your doctor right away. When taking Topamax, avoid drinking alcohol. Before you know how Topamax affects you, do not operate machinery or drive a car. If untreated, metabolic acidosis can lead to kidney stones, brittle or soft bones (osteoporosis, osteomalacia, osteopenia), slowed growth in children, and may even harm your unborn child if you're pregnant. If you are pregnant, you should talk to your healthcare provider about whether you have metabolic acidosis. Your healthcare provider might look for other causes if you have suicidal thoughts or behaviors. Keep all appointments for follow-up visits with your doctor. With or without symptoms, metabolic acidosis can occur. Be aware of any shifts in attitude, actions, thoughts, or feelings, especially ones that occur suddenly. In hot weather, people should be on the lookout for signs of fever and decreased sweating, especially in children. A blockage of fluid in the eye that increases pressure in the eye (secondary angle closure glaucoma) is one example of a serious eye problem. If left untreated, these eye problems can result in permanent loss of vision. Hospitalization may be necessary for some patients with this condition. Your healthcare provider should perform a blood test to determine the level of acid in your blood before and during your treatment with Topamax. People with metabolic acidosis occasionally experience the following symptoms: fatigue, not feeling hungry (loss of appetite), feeling changes in heartbeat, and difficulty thinking clearly. Stopping Topamax abruptly can have detrimental effects. Other factors besides medications can contribute to suicidal thoughts or behavior. Topamax and alcohol can interact, resulting in side effects like sleepiness and vertigo. Topamax may be harmful to your unborn child (see "Pregnant Section"). A condition known as metabolic acidosis can be made worse by taking Topamax. Topamax may impair vision and slow down thinking and motor function. Topamax has the potential to increase body temperature (fever) while decreasing sweating. Topamax may result in eye issues. One in 500 people, or very few, may experience suicidal thoughts or deeds while taking Topamax. Keep an eye out for early indications of suicidal behavior and thoughts. If you notice any new eye symptoms, you should contact your doctor right away.