What is Loxapine?
Loxapine is used to treat the symptoms of schizophrenia (a mental illness that causes disturbed or unusual thinking, loss of interest in life, and strong or inappropriate emotions). Loxapine is in a group of medications called conventional antipsychotics. It works by decreasing abnormal excitement in the brain.
How should this medicine be used?
Loxapine comes as a capsule to take by mouth. It is usually taken two to four times a day. Try to take loxapine 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 loxapine exactly as directed. Do not take more or less of it or take it more often than prescribed by your doctor.
Your doctor will probably start you on a low dose of loxapine and increase your dose during the first 7 to 10 days of your treatment until your symptoms are controlled. Once your symptoms have been controlled for some time, your doctor may decrease your dose. Be sure to tell your doctor how you are feeling during your treatment with loxapine.
Loxapine may control your symptoms but will not cure your condition. It may take several weeks or longer for you to feel the full benefit of loxapine. Continue to take loxapine even if you feel well. Do not stop taking loxapine without talking to your doctor.
Other uses for this medicine
This medication may be prescribed for other uses. Ask your doctor or pharmacist for more information.
What special precautions should I follow?
Before taking loxapine,
- tell your doctor and pharmacist if you are allergic to loxapine 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: antidepressants; antihistamines; atropine (in Motofen, in Lomotil, in Lonox); barbiturates such as pentobarbital (Nembutal), phenobarbital (Luminal), and secobarbital (Seconal); epinephrine (Epipen); ipratropium (Atrovent); lorazepam (Ativan); medications for anxiety, irritable bowel disease, mental illness, motion sickness, Parkinson’s disease, seizures, ulcers, or urinary problems; narcotic medications for pain; sedatives; sleeping pills; and tranquilizers. Your doctor may need to change the doses of your medications or monitor you carefully for side effects.
- tell your doctor if you have or have ever had seizures, difficulty urinating, glaucoma (condition in which increased pressure in the eye can lead to gradual loss of vision), trouble keeping your balance, breast cancer, or heart disease. Also tell your doctor if you have ever had to stop taking any medication for mental illness due to severe side effects.
- tell your doctor if you are pregnant, especially if you are in the last few months of your pregnancy, or if you plan to become pregnant or are breast-feeding. If you become pregnant while taking loxapine, call your doctor. Loxapine may cause problems in newborns following delivery if it is taken during the last months of pregnancy.
- if you are having surgery, including dental surgery, tell the doctor or dentist that you are taking loxapine.
- you should know that this medication may make you drowsy and may affect your thinking and movements. Do not drive a car or operate machinery until you know how this medication affects you.
- ask your doctor about the safe use of alcohol during your treatment with loxapine. Alcohol can make the side effects of loxapine worse.
- you should know that loxapine may cause dizziness, fainting, and lightheadedness, especially when you get up from a lying position. To avoid this problem, get out of bed slowly, resting your feet on the floor for a few minutes before standing up.
What special dietary instructions should I follow?
Unless your doctor tells you otherwise, continue your normal diet.
What should I do if I forget a dose?
Take the missed dose as soon as you remember it. However, if it is almost time for the next dose, skip the missed dose and continue your regular dosing schedule. Do not take a double dose to make up for a missed one.
What side effects can this medication cause?
Loxapine may cause side effects. Tell your doctor if any of these symptoms are severe or do not go away:
- dizziness, feeling unsteady, or having trouble keeping your balance
- difficulty falling asleep or staying asleep
- blurred vision
- dry mouth
- increased saliva
- difficulty urinating
- excessive thirst
- weight gain or loss
- slurred speech
- hair loss
- drooping eyelids
- puffing of the face
- blank facial expression
- shuffling walk
- unusual, slowed, or uncontrollable movements of any part of the body
- numbness, burning, or tingling of the hands or feet
- breast milk production
- breast enlargement
- missed menstrual periods
- decreased sexual ability in men
Some side effects can be serious. If you experience any of the following symptoms, call your doctor immediately:
- muscle stiffness
- fast or irregular heartbeat
- neck cramps
- tightness in the throat
- difficulty breathing or swallowing
- tongue that sticks out of the mouth
- fine, worm-like tongue movements
- uncontrollable, rhythmic face, mouth, or jaw movements
- decreased vision, especially in low light
Loxapine may cause other side effects. Tell your doctor if you have any unusual problems while you are taking this medication.
If you experience a serious side effect, you or your doctor may send a report to the Food and Drug Administration’s (FDA) MedWatch Adverse Event Reporting program online (http://www.fda.gov/Safety/MedWatch) or by phone (1-800-332-1088).
What should I know about storage and disposal of this medication?
Keep this medication in the container it came in, tightly closed, and out of reach of children. Store it at room temperature and away from excess heat and moisture (not in the bathroom).
Unneeded medications should be disposed of in special ways to ensure that pets, children, and other people cannot consume them. However, you should not flush this medication down the toilet. Instead, the best way to dispose of your medication is through a medicine take-back program. Talk to your pharmacist or contact your local garbage/recycling department to learn about take-back programs in your community. See the FDA’s Safe Disposal of Medicines website (http://goo.gl/c4Rm4p) for more information if you do not have access to a take-back program.
It is important to keep all medication out of sight and reach of children as many containers (such as weekly pill minders and those for eye drops, creams, patches, and inhalers) are not child-resistant and young children can open them easily. To protect young children from poisoning, always lock safety caps and immediately place the medication in a safe location – one that is up and away and out of their sight and reach. http://www.upandaway.org
In case of emergency/overdose
In case of overdose, call the poison control helpline at 1-800-222-1222. Information is also available online at https://www.poisonhelp.org/help. If the victim has collapsed, had a seizure, has trouble breathing, or can’t be awakened, immediately call emergency services at 911.
Symptoms of overdose may include:
- loss of consciousness
- slowed breathing
- slowed heartbeat
- unusual, slowed, or uncontrollable movements of any part of the body
What other information should I know?
Keep all appointments with your doctor.
Do not let anyone else take your medication. Ask your pharmacist any questions you have about refilling your prescription.
It is important for you to keep a written list of all of the prescription and nonprescription (over-the-counter) medicines you are taking, as well as any products such as vitamins, minerals, or other dietary supplements. You should bring this list with you each time you visit a doctor or if you are admitted to a hospital. It is also important information to carry with you in case of emergencies.
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