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Lacosamide is part of the Anti-epileptics class and treats Epilepsy. Anti-epileptics are used to control seizures to treat epilepsy and trigeminal neuralgia. They work by reducing irregular brain impulses in the brain that cause seizures and pain. Lacosamide is only available as a brand name drug. Compare anti-epileptics.
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Lacosamide Side Effects

Common and Rare Side Effects

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor or nurse immediately if any of the following side effects occur:

More common

Dizziness

shakiness and unsteady walk

sleepiness or unusual drowsiness

trembling or shaking of the hands or feet

unsteadiness, trembling, or other problems with muscle control or coordination

Less common

Being forgetful

bleeding, blistering, burning, coldness, discoloration of the skin, feeling of pressure, hives, infection, inflammation, itching, lumps, numbness, pain, rash, redness, scarring, soreness, stinging, swelling, tenderness, tingling, ulceration, or warmth at the injection site

discouragement

feeling sad or empty

irritability

itching skin

lack of appetite

loss of balance control

loss of interest or pleasure

mood or mental changes

tearing of the skin

tiredness

trouble concentrating

trouble with sleeping

trouble with walking

Rare

Chest pain or discomfort

flushing or redness of the skin

lightheadedness, dizziness, or fainting

shortness of breath

slow or irregular heartbeat

unusual tiredness

unusually warm skin

Incidence not known

Abnormal or decreased touch sensation

black, tarry stools

burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings

changes in patterns and rhythms of speech

chills

continuing ringing or buzzing or other unexplained noise in the ears

cough

fast, irregular, pounding, or racing heartbeat or pulse

feeling drunk

fever

hearing loss

lower back or side pain

painful or difficult urination

pale skin

slurred speech

sore throat

trouble performing routine tasks

trouble with balance

trouble with speaking

troubled breathing with exertion

ulcers, sores, or white spots in the mouth

unusual bleeding or bruising

Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common

Blurred vision

double vision

headache

nausea

seeing double

vomiting

Less common

Diarrhea

feeling of constant movement of self or surroundings

lack or loss of strength

sensation of spinning

uncontrolled eye movements

Incidence not known

Acid or sour stomach

belching

difficulty having a bowel movement (stool)

dry mouth

heartburn

indigestion

muscle spasms

stomach discomfort, upset, or pain

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

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