Why is this medication prescribed?

Lithium is used to treat and prevent episodes of mania (frenzied, abnormally excited mood) in people with bipolar disorder (manic depressive disorder; a disease that causes episodes of depression, episodes of mania, and other abnormal moods). Lithium is in a class of medications called antimanic agents. It works by decreasing abnormal activity in the brain.

How should this medicine be used?

Lithium comes as a tablet, capsule, extended-release (long-acting) tablet, and solution (liquid) to take by mouth. The tablets, capsules, and solution are usually taken three to four times a day.The extended-release tablets are usually taken two to three times a day. Take lithium at around the same times every day. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Take lithium exactly as directed. Do not take more or less of it or take it more often than prescribed by your doctor.

Swallow the extended-release tablet whole; do not split, chew, or crush it.

Your doctor may increase or decrease the dose of your medication during your treatment. Follow these directions carefully.

Lithium may help to control your condition but will not cure it. It may take 1-3 weeks or longer for you to feel the full benefit of lithium. Continue to take lithium even if you feel well. Do not stop taking lithium without talking to your doctor.

Other uses for this medicine

Lithium is also sometimes used to treat certain blood disorders, depression, schizophrenia (a mental illness that causes disturbed or unusual thinking, loss of interest in life, and strong or inappropriate emotions), disorders of impulse control (inability to resist the urge to perform a harmful action), and certain mental illnesses in children. Talk to your doctor about the risks of using this medication for your condition.

This medication may be prescribed for other uses; ask your doctor or pharmacist for more information.

What special precautions should I follow?

• tell your doctor and pharmacist if you are allergic to lithium or any other medications.
• tell your doctor and pharmacist what prescription and nonprescription medications, vitamins, nutritional supplements, and herbal products you are taking or plan to take. Be sure to mention any of the following: acetazolamide (Diamox); aminophylline; angiotensin-converting enzyme (ACE) inhibitors such as benazepril (Lotensin), captopril (Capoten), enalapril (Vasotec), fosinopril (Monopril), lisinopril (Prinivil, Zestril), moexipril (Univasc), perindopril (Aceon), quinapril (Accupril), ramipril (Altace), and trandolapril (Mavik);angiotensin II receptor antagonists such as candesartan (Atacand), eprosartan (Teveten), irbesartan (Avapro), losartan (Cozaar), olmesartan (Benicar), telmisartan (Micardis), and valsartan (Diovan); antacids such as sodium bicarbonate; caffeine (found in certain medications to treat drowsiness and headaches); calcium channel blockers such as amlodipine (Norvasc), diltiazem (Cardizem, Dilacor, Tiazac, others), felodipine (Plendil), isradipine (DynaCirc), nicardipine (Cardene), nifedipine (Adalat, Procardia), nimodipine (Nimotop), nisoldipine (Sular), and verapamil (Calan, Covera, Isoptin, Verelan);carbamazepine (Tegretol); diuretics ('water pills'); medications for mental illness such as haloperidol (Haldol); methyldopa (Aldomet); metronidazole (Flagyl); nonsteroidal anti-inflammatory medications (NSAIDs) such as celecoxib (Celebrex), indomethacin (Indocin), and piroxicam (Feldene); potassium iodide; phenytoin (Dilantin); selective serotonin reuptake inhibitors (SSRIs) such as citalopram (Celexa), duloxetine (Cymbalta), escitalopram (Lexapro), fluoxetine (Prozac, Sarafem), fluvoxamine (Luvox), paroxetine (Paxil), and sertraline (Zoloft); and theophylline (Theolair, Theochron). Your doctor may have to change the doses of your medication or monitor you more carefully for side effects.
• tell your doctor if you have or have ever had organic brain syndrome (any physical condition that affects the way your brain works); or thyroid, heart, or kidney disease. Also tell your doctor if you have severe diarrhea, excessive sweating, or fever. Call your doctor if you develop these symptoms during your treatment.
• tell your doctor if you are pregnant, plan to become pregnant, or are breast-feeding. If you become pregnant while taking lithium, call your doctor.
• if you are having surgery, including dental surgery, tell the doctor or dentist that you are taking lithium.
• you should know that this medication may make you drowsy. Do not drive a car or operate machinery until you know how this medication affects you.