Lithium extended-release tablets
What is this medicine?
LITHIUM (LITH ee um) is used to prevent and treat the manic episodes caused by manic-depressive illness.
How should I use this medicine?
Take this medicine by mouth with a glass of water. Follow the directions on the prescription label. Swallow the tablets whole. Do not break, crush or chew. Take after a meal or snack to avoid stomach upset. Take your doses at regular intervals. Do not take your medicine more often than directed. The amount of this medicine you take is very important. Taking more than the prescribed dose can cause serious side effects. Do not stop taking except on your the advice of your doctor or health care professional.
Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed. While this drug may be prescribed for children as young as 12 years for selected conditions, precautions do apply.
What side effects may I notice from receiving this medicine?
Side effects that you should report to your doctor or health care professional as soon as possible:
allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
changes in emotions or moods
changes in vision
fingers or toes feel numb, cool, painful
hallucinations, loss of contact with reality
mild tremor (hands)
persistent headache with or without blurred vision
signs and symptoms of a dangerous change in heartbeat or heart rhythm like chest pain; dizziness; fast, irregular heartbeat; palpitations; feeling faint or lightheaded; falls; breathing problems
signs and symptoms of lithium toxicity like diarrhea, vomiting, increased tremor, loss of balance or coordination, drowsiness, ringing of the ears, muscle weakness or twitching, slurred speech, confusion, seizures
unusually weak or tired
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
What may interact with this medicine?
Do not take this medicine with any of the following medications:
This medicine may also interact with the following medications:
certain medicines for depression, anxiety, or psychotic disturbances
certain medicines for high blood pressure
certain medicines for migraine headache like almotriptan, eletriptan, frovatriptan, naratriptan, rizatriptan, sumatriptan, zolmitriptan
MAOIs like Carbex, Eldepryl, Marplan, Nardil, and Parnate
medicines that relax muscles for surgery
NSAIDs, medicines for pain and inflammation, like ibuprofen or naproxen
other medicines that prolong the QT interval (cause an abnormal heart rhythm)
St. John's Wort
What if I miss a dose?
If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.
Where should I keep my medicine?
Keep out of the reach of children.
Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Keep container tightly closed. Protect from light. Throw away any unused medicine after the expiration date.
What should I tell my health care provider before I take this medicine?
They need to know if you have any of these conditions:
dehydration (diarrhea or sweating)
diet low in salt
high levels of calcium in the blood
history of irregular heartbeat
low level of potassium or sodium in the blood
an unusual or allergic reaction to lithium, other medicines, foods, dyes, or preservatives
pregnant or trying to get pregnant
What should I watch for while using this medicine?
Visit your doctor or health care professional for regular checks on your progress. It can take several weeks of treatment before you start to get better.
The amount of salt (sodium) in your body influences the effects of this medicine, and this medicine can increase salt loss from the body. Eat a normal diet that includes salt. Do not change to salt substitutes. Avoid changes involving diet, or medications that include large amounts of sodium like sodium bicarbonate. Ask your doctor or health care professional for advice if you are not sure.
Drink plenty of fluids while you are taking this medicine. Avoid drinks that contain caffeine, such as coffee, tea and colas. You will need extra fluids if you have diarrhea or sweat a lot. This will help prevent toxic effects from this medicine. Be careful not to get overheated during exercise, saunas, hot baths, and hot weather. Consult your doctor or health care professional if you have a high fever or persistent diarrhea.
You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medicine affects you. Do not stand or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells.
October 28, 2018