Tegretol (Carbamazepine) Side Effects, Before Taking, Usefull Information & More

The anticonvulsant or anti-epileptic drug, Tegretol, is a medicine which is used to treat a specific type of seizures such as partial, tonic-clonic and mixed. Nerve pains such as trigeminal neuralgia and glossopharyngeal neuralgia can be treated by this medication. The nerve stimulations that cause seizures and pain can be decreased by the use of Tegretol.


It works by decreasing the growth of seizure activity, that happens in the brain, and reinstates the normal balance of the nerve activity in the brain. Its chewable tablets are available of 100 mg, tablets of 200 mg, XR tablets of 100, 200, and 400 mg.

Side effects

Even though it is rare but one should seek emergency medical help immediately if any allergic reactions from Tegretol occur. The doctor has prescribed this medication because he or she has judged that the benefit that the medication contains is greater than the risk of side effects. However, if the following symptoms of serious reactions occur one should seek medical assistance immediately:

  • Rash
  • Itching/ swelling (including the face/ tongue/ throat)
  • Severe dizziness
  • Difficulty in breathing


The following are some of the side effects which are common and can be reduced by the intake of a low dosage:

  • Blurred vision
  • Double vision
  • Involuntary eye movement
  • Uncoordinated
  • Confused
  • Dizzy
  • Drowsiness
  • Feel like throwing up
  • Throwing up
  • Unsteady walking

However, one should promptly contact a doctor or a healthcare specialist if the less occurring yet/ or more serious side effects occur:

  • Abnormal heart rhythm
  • Abnormal liver function tests
  • Abnormally low blood pressure
  • Acquired Decrease of all cells in the blood
  • Atrioventricular heart block
  • Blockage of normal bile flow
  • A blood clot in a vein
  • Chronic heart failure
  • Decreased blood platelets
  • Decreased calcification or density of bone
  • Decreased function of bone marrow
  • Decreased white blood cells
  • Deficiency of Granulocytes a type of white blood cell
  • Depression
  • Dress syndrome
  • Erythema multiform
  • Feeling faint
  • Giant hives
  • Having thoughts of suicide


  • Hepatitis
  • Hereditary liver metabolism disorder
  • High blood pressure
  • Hives
  • Increase of white blood cells
  • Increased eosinophils in the blood
  • Inflammation in lungs caused by allergic reaction
  • Kidney disease with reduction in kidney function
  • Kidney failure
  • Kidney inflammation
  • Life-threatening allergic reaction
  • Liver failure
  • Low amount of calcium in the blood
  • Meningitis not caused by an infection
  • Neuroleptic malignant syndrome
  • Pancreatitis
  • Peripheral neuropathy
  • Porphyria
  • Skin rash with sloughing
  • Swollen lymph nodes
  • Visible water retention


How to use it

Before the intake of the medication or before getting a refill one should read the Medication Guide, if available from one’s pharmacist. The medication needs to be taken by mouth as instructed by one’s doctor. One’s doctor may advise them to take the medicine at a low dosage in order to reduce its side effects. Grapefruit can enhance the likelihood of side effects with this medicine thus one should not eat grapefruit or drink grapefruit juice. One should take the medication regularly and at the same time every day. The dosage and schedule of treatment are based on your medical condition.



  • The first precaution to take is to consult the doctor and tell him whether you have any allergies either to the medication or any of the ingredients in Tegretol tablets or any other allergies.
  • A medical history report should be given to the doctor, or healthcare specialist especially of: decreased bone marrow function, blood disorders, glaucoma, heart disease kidney disease, liver disease, mental/mood disorders, mineral imbalances
  • Since this drug makes one dizzy or drowsy or blur the vision, the intake of alcohol or marijuana may worsen it. Thus, one should not drive, use machinery, or do anything that needs alertness or clear vision until one can do it safely.
  • One should limit their time in the Sun since the drug is more sensitive while exposed to it