Known interactions

Agnus Castus, American Ginseng, Anafranil, Anchi, Asian Ginseng, Atretol, Benemid, Canadian Ginseng, Carbamazepine, Carbamazepine ER, Carbamazepine Suspension, Carbatrol, Chaste Tree, Chasteberry, Chibroxin, Chinese Ginseng, Ciloxan Eye Drops, Cipro, Cipro HC Otic, Cipro Injection, Cipro Suspension, Cipro XR, Ciprodex Otic, Ciprofloxacin and Dexamethasone Ear Suspension, Ciprofloxacin Eye Solution, Ciprofloxacin Injection, Ciprofloxacin Suspension, Ciprofloxacin tablets, Ciprofloxacin with Hydrocortisone Ear Suspension, Ciprofloxacin XR, Cloister Pepper, Clomipramine, Dehydroepiandrosterone, Depakote, Depakote Delayed-Release Capsule, Depakote ER, Depakote ER Extended-Release Capsule, Depakote Sprinkle Capsule, DHEA, Divalproex, Divalproex Sodium, Ephedra, Ephedra sinica, Epitol, Epitonin, Equetro, Five Fingers, Fluoxetine and Olanzapine, Fluoxetine capsules (Sarafem), Fluoxetine Oral Solution, Fluoxetine tablets or capsules, Fluvoxamine, fluoxetine delayed-release capsules, Ginseng, American, Ginseng, Panax, GL701, Guigai, Haldol Decanoate Injection, Haldol Injection, Haldol Oral Concentrate, Haldol Tablets, Haloperidol Decanoate Injection, Haloperidol Lactate Injection, Haloperidol Oral Concentrate, Haloperidol Tablets, Herbal Ecstasy, Japanese Ginseng, Kaletra, Kaletra Solution, Korean Ginseng, Lopinavir and Ritonavir, Lopinavir and Ritonavir Oral Solution, Luvox, Ma Huang, Mahuang, Monk's Berry, Monk's Pepper, Muzei, Ninjin, Norfloxacin, Norfloxacin Ophthalamic, Noroxin, North American Ginseng, Norvir, Norvir Oral Solution, Oriental Ginseng, Panax Ginseng, Panax quinquefolius, Panax schinseng, Popptillo, Prasterone, Probalan, Probenecid, Prozac, Prozac Oral Solution, Prozac Weekly, Red Berry, Red Ginseng, Ren Shen, Ritonavir, Ritonavir Oral Solution, Sarafem, Seng, Symbyax, Tegretol, Tegretol Suspension, Tegretol XR, Valproic Acid Delayed or Extended-Release or Sprinkle Capsule, Vitex, Vitex agnus-castus.

Quick guide to Olanzapine Injection

Brand Name(s): Zyprexa Injection

Generic Name Olanzapine Injection

What is olanzapine injection?

OLANZAPINE (Zyprexa®) injection helps to treat sudden emotional and mental problems like schizophrenia or psychosis. This injection is also sometimes used for the treatment of other sudden emotional or mental problems like manic-depressive illness, bipolar disorder, or behavioral problems that occur with dementia. Olanzapine can help you to keep in touch with reality and reduce your symptoms. It is not a cure. Generic olanzapine injections are not yet available.

What should my health care professional know before I take olanzapine?

They need to know if you have any of these conditions:

  • frequently drink alcoholic beverages
  • breast cancer
  • cigarette smoker
  • diabetes mellitus, high blood sugar or a family history of diabetes
  • difficulty passing urine
  • glaucoma
  • heart disease, irregular heartbeat, or previous heart attack
  • high blood pressure treated with medication
  • kidney or liver disease
  • low blood pressure
  • Parkinson's disease
  • prostate trouble
  • seizures (convulsions)
  • an unusual or allergic reaction to olanzapine, other medicines, foods, dyes, or preservatives
  • pregnant or trying to get pregnant
  • breast-feeding

How should I take this medicine?

Olanzapine injection is for injection into a muscle by a health care professional or your prescriber. Your doses will be given at regular intervals as needed. Do not stop taking except on your prescriber's advice.

Contact your pediatrician or health care professional regarding the use of this medicine in children. Special care may be needed.

What if I miss a dose?

This does not apply.

What drug(s) may interact with olanzapine?

  • alcohol
  • carbamazepine
  • cimetidine
  • cisapride
  • clozapine
  • donepezil
  • erythromycin or clarithromycin
  • fluvoxamine
  • ketoconazole
  • levodopa and other medicines for Parkinson's disease
  • lithium
  • medicines for colds, hay fever, or allergies
  • medicines for diabetes
  • medicines for high blood pressure
  • medicines for mental depression
  • phenobarbital
  • rifampin
  • ritonavir
  • some medicines for anxiety or sleeping problems
  • some medicines for pain (examples: codeine, morphine)
  • some medicines for gastrointestinal spasm
  • tacrine
  • tobacco in cigarrettes

Tell your prescriber or health care professional about all other medicines you are taking, including non-prescription medicines, nutritional supplements, or herbal products. Also tell your prescriber or health care professional if you are a frequent user of drinks with caffeine or alcohol, if you smoke, or if you use illegal drugs. These may affect the way your medicine works. Check with your health care professional before stopping or starting any of your medicines.

What side effects may I notice from taking olanzapine?

Side effects that you should report to your prescriber or health care professional as soon as possible:

More Common:

  • agitation or hostile, angry behavior
  • changes in emotions or behavior, like a very depressed mood
  • restlessness or need to keep moving
  • stiffness, spasms
  • tremors or trembling

Rare or Less common:

  • changes in vision, inability to control eye movements
  • confusion
  • difficulty breathing
  • difficulty concentrating
  • difficulty in speaking or swallowing
  • excessive thirst and/or hunger
  • fainting spells, loss of balance
  • fast heartbeat (palpitations)
  • frequently needing to urinate
  • inability to control muscle movements in the face, hands, arms, or legs
  • menstrual changes
  • painful erections
  • seizures (convulsions)
  • skin rash
  • swelling of face or legs
  • uncontrollable tongue or chewing movements, smacking lips or puffing cheeks
  • unusual tiredness or weakness

Side effects that usually do not require medical attention (report to your prescriber or health care professional if they continue or are bothersome):

Less common or rare:

  • blurred or unclear vision
  • changes in sexual desire
  • excessive drainage from eyes
  • excessive watering or drooling of mouth
  • joint pain
  • nausea or vomiting
  • sensitivity of skin to sunlight
  • tingling sensation in your hands, feet or other area of your body
  • trouble in controlling urine

More Common:

  • constipation
  • dizziness; especially on standing from a sitting or lying postion
  • drowsiness
  • dry mouth
  • lowered blood pressure
  • runny nose
  • weight gain

What should I watch for while taking olanzapine?

Visit your prescriber or health care professional for regular checks on your progress. If you are switched from the injection to the tablets for maintenance medication, it may be several weeks before you see the full effects of olanzapine. Do notify your prescriber if your symptoms get worse or you have new symptoms, if you are having an unusual effect from olanzapine, or if you feel out of control, very discouraged or think you might harm yourself or others. Your prescriber can help you manage these problems.

You may get dizzy or drowsy. Do not drive, use machinery, or do anything that needs mental alertness until you know how olanzapine 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.

Alcohol can increase dizziness and drowsiness with olanzapine. Avoid alcoholic drinks.

Do not treat yourself for colds, diarrhea or allergies. Ask your prescriber or health care professional for advice, some nonprescription medicines may increase possible side effects.

Your mouth may get dry. Chewing sugarless gum or sucking hard candy, and drinking plenty of water will help. Be careful when brushing and flossing your teeth to avoid mouth infections or damage to your gums. See your dentist regularly. Sometimes olanzapine can make your mouth water a lot.

Olanzapine can reduce the response of your body to heat or cold. Try not to get overheated or dehydrated from exercise. Avoid temperature extremes, such as saunas, hot tubs, or very hot or cold baths or showers. Dress warmly in cold weather.

Olanzapine may make your skin more sensitive to sun or ultraviolet light. Limit your sun exposure; wear protective clothing outdoors and use a sunscreen (at least SPF 15). Avoid using sun lamps or sun tanning beds or booths.

If you are going to have surgery tell your prescriber or health care professional that you are taking olanzapine.

Where can I keep my medicine?

This does not apply.

(Note: The above information is not intended to replace the advice of your physician, pharmacist, or other healthcare professional. It is not meant to indicate that the use of the product is safe, appropriate, or effective for you.)

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