Lamotrigine: What It Is, How to Use It, and What to Watch For

If you’ve been told to take lamotrigine, you probably wonder what the pill does and how to make it work for you. In short, lamotrigine is an antiepileptic drug that also helps stabilize mood in bipolar disorder. Doctors use it to prevent seizures and to reduce mood swings. Knowing the basics—why it’s prescribed, the right dose, and the side effects—can make your treatment smoother.

Getting the Dose Right

Lamotrigine isn’t a one‑size‑fits‑all medication. The starting dose is usually low, often 25 mg once a day, and it’s slowly increased over weeks. This slow climb helps lower the risk of a rash, which is the most common warning sign. Your doctor will adjust the schedule based on your age, other meds, and how well you tolerate each step. Always follow the prescription exactly; skipping a dose or doubling up can cause problems.

Side Effects You Should Know

Most people feel fine, but a few side effects pop up. The most serious is a skin rash that can turn into Stevens‑Johnson syndrome—a rare but dangerous condition. If you see any red or blistering skin, stop the drug and call your doctor right away. Other, milder issues include dizziness, headache, nausea, and occasional sleep trouble. Most of these fade as your body gets used to the medication.

When you start lamotrigine, keep a simple log of how you feel each day. Note any new symptoms, even if they seem small. This helps your doctor decide whether to keep the dose steady or make a change. If you’re taking other medicines, especially hormonal birth control or certain antidepressants, let your doctor know—these can affect how lamotrigine works.

Don’t forget the practical stuff: take the pill at the same time every day, preferably with food to avoid stomach upset. Store it in a cool, dry place away from direct sunlight. If you miss a dose, take it as soon as you remember, but don’t double up. Setting a daily alarm on your phone can be a lifesaver.

Finally, stay in touch with your healthcare team. Regular check‑ins let them monitor blood levels and catch any issues early. If you ever feel unsure about a symptom or a dosing question, reach out—you’re not alone in managing lamotrigine, and a quick call can keep you on the right track.