Can you take Bitolterol with Crizotinib?
1 drug interaction and 20 additional warnings found for the following 2 drugs:
- bitolterol
- crizotinib
Drug interactions
Moderate drug interactions
Moderate:
bitolterol crizotinib
Applies to: bitolterol and crizotinib
Using bitolterol together with crizotinib can increase the risk of an irregular heart rhythm that may be serious and potentially life-threatening, although it is a rare side effect.
You may be more susceptible if you have:
- a heart condition called congenital long QT syndrome
- other cardiac diseases
- conduction abnormalities
- electrolyte disturbances (for example, magnesium or potassium loss due to severe or prolonged diarrhea or vomiting)
The risk may exist even when bitolterol or similar medications are given by oral inhalation directly into the lungs, and more so if these products are overused. Do not exceed the dose and frequency of use recommended on the product label or prescribed by your doctor.
Talk to your doctor if you have any questions or concerns. Your doctor may already be aware of the risks, but has determined that this is the best course of treatment for you and has taken appropriate precautions and is monitoring you closely for any potential complications.
You should seek immediate medical attention if you develop sudden dizziness, lightheadedness, fainting, shortness of breath, or heart palpitations during treatment with these medications.
It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.
Food/lifestyle interactions
Major food/lifestyle interactions
Major:
crizotinib Food/Lifestyle
Applies to: crizotinib
Do not consume grapefruit or grapefruit juice during treatment with crizotinib unless directed otherwise by your doctor.
Grapefruit juice can increase the blood levels of crizotinib to dangerous levels and cause an irregular heart rhythm that may be serious.
You should seek immediate medical attention if you develop sudden dizziness, lightheadedness, fainting, shortness of breath, or fast or pounding heartbeats during treatment with crizotinib.
You may take crizotinib with or without food, but take it the same time each day.
It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.
Moderate food/lifestyle interactions
Moderate:
bitolterol Caffeine
Applies to: bitolterol
Both bitolterol and caffeine can increase blood pressure and heart rate, and combining them may enhance these effects.
Talk to your doctor before using these medications, especially if you have a history of high blood pressure or heart disease. You may need a dose adjustment or more frequent monitoring by your doctor to safely use both medications.
Contact your doctor if your condition changes or you experience increased side effects.
It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.
Disease interactions
18 potential interactions Applies to: 17 conditions, including High Blood Pressure, Heart Failure, Seizures, Arrhythmia, and Hypokalemia.
Arrhythmia
Moderate:
crizotinib
Crizotinib has a moderate potential interaction with Arrhythmia.
The use of crizotinib can cause QTc prolongation. It is recommended to avoid the use of this agent in patients with congenital long QT syndrome. Care should be exercised when using this drug in patients with a history of or predisposition to QTc prolongation. ECGs and electrolytes should be monitored in patients with congestive heart failure, bradyarrhythmias, electrolyte abnormalities, or who are taking medications that prolong the QT interval. It is recommended to withhold, reduce dose, or permanently discontinue crizotinib for QT/QTc interval prolongation as recommended.
Moderate:
crizotinib
Crizotinib has a moderate potential interaction with Arrhythmia.
Crizotinib can cause symptomatic bradycardia. Heart rate and blood pressure should be monitored regularly. It is recommended to withhold, reduce dose, or permanently discontinue crizotinib for bradycardia as recommended.
Diabetes Mellitus
Moderate:
bitolterol
Bitolterol has a moderate potential interaction with Diabetes Mellitus.
Adrenergic bronchodilators may cause increases in blood glucose concentrations. These effects are usually transient and slight, but may be significant with dosages higher than those normally recommended. Large doses of IV albuterol (not commercially available in the U.S.) and terbutaline sulfate have been reported to cause exacerbation of preexisting diabetes mellitus and ketoacidosis. Therapy with adrenergic bronchodilators should be administered cautiously in patients with diabetes mellitus. Closer monitoring of blood glucose concentrations may be appropriate. Systemic adverse effects are minimized, but not abolished, by administration of these agents via oral inhalation.
Diverticulitis
Moderate:
crizotinib
Crizotinib has a moderate potential interaction with Diverticulitis.
The use of crizotinib can cause gastrointestinal (GI) perforations. This drug should be used with caution in patients at risk for GI perforation (e.g., history of diverticulitis, metastases to the gastrointestinal tract, concomitant use of medicinal products with a recognized risk of gastrointestinal perforation). It is recommended to discontinue treatment in patients who develop GI perforation.
Electrolyte Abnormalities
Moderate:
crizotinib
Crizotinib has a moderate potential interaction with Electrolyte Abnormalities.
The use of crizotinib can cause QTc prolongation. It is recommended to avoid the use of this agent in patients with congenital long QT syndrome. Care should be exercised when using this drug in patients with a history of or predisposition to QTc prolongation. ECGs and electrolytes should be monitored in patients with congestive heart failure, bradyarrhythmias, electrolyte abnormalities, or who are taking medications that prolong the QT interval. It is recommended to withhold, reduce dose, or permanently discontinue crizotinib for QT/QTc interval prolongation as recommended.
Gastrointestinal Obstruction
Moderate:
crizotinib
Crizotinib has a moderate potential interaction with Gastrointestinal Obstruction.
The use of crizotinib can cause gastrointestinal (GI) perforations. This drug should be used with caution in patients at risk for GI perforation (e.g., history of diverticulitis, metastases to the gastrointestinal tract, concomitant use of medicinal products with a recognized risk of gastrointestinal perforation). It is recommended to discontinue treatment in patients who develop GI perforation.
Gastrointestinal Perforation
Moderate:
crizotinib
Crizotinib has a moderate potential interaction with Gastrointestinal Perforation.
The use of crizotinib can cause gastrointestinal (GI) perforations. This drug should be used with caution in patients at risk for GI perforation (e.g., history of diverticulitis, metastases to the gastrointestinal tract, concomitant use of medicinal products with a recognized risk of gastrointestinal perforation). It is recommended to discontinue treatment in patients who develop GI perforation.
Heart Disease
Moderate:
bitolterol
Bitolterol has a moderate potential interaction with Heart Disease.
Adrenergic bronchodilators can stimulate cardiovascular beta- 1 and beta- 2 receptors, resulting in adverse effects such as tachycardia, palpitation, peripheral vasodilation, blood pressure changes, and ECG changes (e.g., flattening of the T wave; prolongation of the QT interval; ST segment depression). Direct stimulation of cardiac tissues is mediated by beta- 1 receptors and thus less likely to occur with beta-2-selective agents such as albuterol. However, beta-2-selectivity is not absolute and can be lost with larger doses. High dosages of these agents have been associated with precipitation or aggravation of angina, myocardial ischemia, and cardiac arrhythmias. Therapy with adrenergic bronchodilators should be administered cautiously in patients with sensitivity to sympathomimetic amines, hyperthyroidism, and/or underlying cardiovascular disorders such as coronary insufficiency, cardiac arrhythmias, or hypertension. The recommended dosages should not be exceeded.
Heart Failure
Moderate:
crizotinib
Crizotinib has a moderate potential interaction with Heart Failure.
The use of crizotinib can cause QTc prolongation. It is recommended to avoid the use of this agent in patients with congenital long QT syndrome. Care should be exercised when using this drug in patients with a history of or predisposition to QTc prolongation. ECGs and electrolytes should be monitored in patients with congestive heart failure, bradyarrhythmias, electrolyte abnormalities, or who are taking medications that prolong the QT interval. It is recommended to withhold, reduce dose, or permanently discontinue crizotinib for QT/QTc interval prolongation as recommended.
High Blood Pressure
Moderate:
bitolterol
Bitolterol has a moderate potential interaction with High Blood Pressure.
Adrenergic bronchodilators can stimulate cardiovascular beta- 1 and beta- 2 receptors, resulting in adverse effects such as tachycardia, palpitation, peripheral vasodilation, blood pressure changes, and ECG changes (e.g., flattening of the T wave; prolongation of the QT interval; ST segment depression). Direct stimulation of cardiac tissues is mediated by beta- 1 receptors and thus less likely to occur with beta-2-selective agents such as albuterol. However, beta-2-selectivity is not absolute and can be lost with larger doses. High dosages of these agents have been associated with precipitation or aggravation of angina, myocardial ischemia, and cardiac arrhythmias. Therapy with adrenergic bronchodilators should be administered cautiously in patients with sensitivity to sympathomimetic amines, hyperthyroidism, and/or underlying cardiovascular disorders such as coronary insufficiency, cardiac arrhythmias, or hypertension. The recommended dosages should not be exceeded.
Hyperthyroidism
Moderate:
bitolterol
Bitolterol has a moderate potential interaction with Hyperthyroidism.
Adrenergic bronchodilators can stimulate cardiovascular beta- 1 and beta- 2 receptors, resulting in adverse effects such as tachycardia, palpitation, peripheral vasodilation, blood pressure changes, and ECG changes (e.g., flattening of the T wave; prolongation of the QT interval; ST segment depression). Direct stimulation of cardiac tissues is mediated by beta- 1 receptors and thus less likely to occur with beta-2-selective agents such as albuterol. However, beta-2-selectivity is not absolute and can be lost with larger doses. High dosages of these agents have been associated with precipitation or aggravation of angina, myocardial ischemia, and cardiac arrhythmias. Therapy with adrenergic bronchodilators should be administered cautiously in patients with sensitivity to sympathomimetic amines, hyperthyroidism, and/or underlying cardiovascular disorders such as coronary insufficiency, cardiac arrhythmias, or hypertension. The recommended dosages should not be exceeded.
Hypokalemia
Moderate:
bitolterol
Bitolterol has a moderate potential interaction with Hypokalemia.
Adrenergic bronchodilators may cause decreases in serum potassium concentrations, primarily when given by nebulization or intravenous administration. Although this effect is usually transient and does not require supplementation, clinically significant hypokalemia may occur in some patients, with the potential to induce cardiovascular adverse effects. The relevance of these observations to oral or oral aerosol/powder for inhalation therapy is unknown. Therapy with adrenergic bronchodilators should be administered cautiously in patients with or predisposed to hypokalemia.
Interstitial Lung Disease
Moderate:
crizotinib
Crizotinib has a moderate potential interaction with Interstitial Lung Disease.
Severe, life-threatening, or fatal interstitial lung disease (ILD)/pneumonitis can occur with crizotinib. Care should be exercised when using this drug in patients with preexisting pulmonary impairment. Patients should be monitored for pulmonary symptoms indicative of ILD/pneumonitis. Crizotinib should be permanently discontinued in patients diagnosed with drug-related ILD/pneumonitis if no other potential causes of ILD/pneumonitis have been identified.
Liver Disease
Moderate:
crizotinib
Crizotinib has a moderate potential interaction with Liver Disease.
Crizotinib concentrations increased in patients with preexisting moderate (any AST and total bilirubin greater than 1.5 to 3 times the upper limit of normal [1.5 to 3 x ULN]) or severe (any AST and total bilirubin greater than 3 x ULN) liver dysfunction; a reduced dosage of crizotinib is recommended in these patients. Caution is recommended in patients with moderate or severe liver dysfunction. No dose adjustment is recommended in patients with preexisting mild liver dysfunction (AST greater than ULN and total bilirubin up to 1 x ULN or any AST and total bilirubin greater than 1 to 1.5 x ULN).
Cases of drug-induced hepatotoxicity with fatal outcomes have been reported with the use of crizotinib. It is recommended to monitor liver function tests (including ALT, AST, total bilirubin) every 2 weeks during the first 2 months of therapy, then once a month, and as clinically indicated, with more frequent repeat testing for increased liver transaminases, alkaline phosphatase, or total bilirubin in patients who develop increased transaminases. It is recommended to withhold, reduce dose, or permanently discontinue crizotinib for hepatotoxicity as recommended.
Pulmonary Impairment
Moderate:
crizotinib
Crizotinib has a moderate potential interaction with Pulmonary Impairment.
Severe, life-threatening, or fatal interstitial lung disease (ILD)/pneumonitis can occur with crizotinib. Care should be exercised when using this drug in patients with preexisting pulmonary impairment. Patients should be monitored for pulmonary symptoms indicative of ILD/pneumonitis. Crizotinib should be permanently discontinued in patients diagnosed with drug-related ILD/pneumonitis if no other potential causes of ILD/pneumonitis have been identified.
Renal Dysfunction
Moderate:
crizotinib
Crizotinib has a moderate potential interaction with Renal Dysfunction.
The exposure to crizotinib is increased in patients with preexisting severe renal dysfunction (CrCl less than 30 mL/min [calculated using the modified Cockcroft-Gault equation for adult patients and the Schwartz equation for pediatric patients]) not requiring dialysis; a reduced dosage of crizotinib is recommended in these patients. Care should be exercised when using this drug in patients with severe renal dysfunction not requiring dialysis. No dose adjustment is recommended in patients with mild to moderate renal dysfunction (CrCl 30 to 89 mL/min).
Seizures
Moderate:
bitolterol
Bitolterol has a moderate potential interaction with Seizures.
Adrenergic bronchodilators may cause CNS stimulation. Therapy with adrenergic bronchodilators should be administered cautiously in patients with seizure disorders. Systemic adverse effects are minimized, but not abolished, by administration of these agents via oral inhalation.
Visual Defect/Disturbance
Moderate:
crizotinib
Crizotinib has a moderate potential interaction with Visual Defect/Disturbance.
Cases of optic atrophy and optic nerve disorder leading to vision loss have been reported with the use of crizotinib. Assessment of visual symptoms for all patients is recommended monthly during therapy; new visual symptoms should be reported to an eye specialist. For pediatric and young adult patients with anaplastic large cell lymphoma or inflammatory myofibroblastic tumor, baseline and follow-up ophthalmologic examinations (including retinal examination) should be obtained within 1 month of starting crizotinib and every 3 months thereafter. The ophthalmological evaluation should consist of best corrected visual acuity, retinal photographs, visual fields, optical coherence tomography (OCT), and other evaluations as appropriate. Crizotinib should be permanently discontinued for grade 3 or 4 ocular disorders or severe visual loss (best corrected vision less than 20/200 in 1 or both eyes) unless another cause is identified. There is insufficient information to characterize the risks of resumption of crizotinib in patients who develop visual symptoms or visual loss; a decision to resume treatment with crizotinib should consider the potential benefits versus risks to the patient.
More resources
bitolterol
A total of 396 drugs are known to interact with bitolterol.
- Bitolterol is in the drug class adrenergic bronchodilators.
- Bitolterol is used to treat the following conditions:
crizotinib
A total of 864 drugs are known to interact with crizotinib.
- Crizotinib is in the drug class multikinase inhibitors.
- Crizotinib is used to treat the following conditions:
Drug Interaction Classification
| Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit. | |
| Moderately clinically significant. Usually avoid combinations; use it only under special circumstances. | |
| Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan. | |
| No interaction information available. |
Further information
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