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6 Interactions found for:

atorvastatin and Ventolin HFA
Interactions Summary
  • 4 Major
  • 2 Moderate
  • 0 Minor
  • atorvastatin
  • Ventolin HFA

Drug Interactions

No drug interactions were found for selected drugs: atorvastatin, Ventolin HFA.

This does not necessarily mean no interactions exist. Always consult your healthcare provider.

Drug and Food Interactions

Moderate
Atorvastatin + Food

The following applies to the ingredients: Atorvastatin

GENERALLY AVOID: Coadministration with grapefruit juice may increase the plasma concentrations of atorvastatin. The proposed mechanism is inhibition of CYP450 3A4-mediated first-pass metabolism in the gut wall by certain compounds present in grapefruit. When a single 40 mg dose of atorvastatin was coadministered with 240 mL of grapefruit juice, atorvastatin peak plasma concentration (Cmax) and systemic exposure (AUC) increased by 16% and 37%, respectively. Greater increases in Cmax (up to 71%) and/or AUC (up to 2.5 fold) have been reported with excessive consumption of grapefruit juice (>=750 mL to 1.2 liters per day). Clinically, high levels of HMG-CoA reductase inhibitory activity in plasma is associated with an increased risk of musculoskeletal toxicity. Myopathy manifested as muscle pain and/or weakness associated with grossly elevated creatine kinase exceeding ten times the upper limit of normal has been reported occasionally. Rhabdomyolysis has also occurred rarely, which may be accompanied by acute renal failure secondary to myoglobinuria and may result in death.

ADJUST DOSING INTERVAL: Fibres such as oat bran and pectin may diminish the pharmacologic effects of HMG-CoA reductase inhibitors by interfering with their absorption from the gastrointestinal tract.

MANAGEMENT: Patients receiving therapy with atorvastatin should limit their consumption of grapefruit juice to no more than 1 liter per day. Patients should be advised to promptly report any unexplained muscle pain, tenderness or weakness, particularly if accompanied by fever, malaise and/or dark colored urine. Therapy should be discontinued if creatine kinase is markedly elevated in the absence of strenuous exercise or if myopathy is otherwise suspected or diagnosed. In addition, patients should either refrain from the use of oat bran and pectin or, if concurrent use cannot be avoided, to separate the administration times by at least 2 to 4 hours.

References

  1. Richter WO, Jacob BG, Schwandt P "Interaction between fibre and lovastatin." Lancet 338 (1991): 706
  2. McMillan K "Considerations in the formulary selection of hydroxymethylglutaryl coenzyme a reductase inhibitors." Am J Health Syst Pharm 53 (1996): 2206-14
  3. "Product Information. Lipitor (atorvastatin)." Parke-Davis PROD (2001):
  4. Boberg M, Angerbauer R, Fey P, Kanhai WK, Karl W, Kern A, Ploschke J, Radtke M "Metabolism of cerivastatin by human liver microsomes in vitro. Characterization of primary metabolic pathways and of cytochrome P45 isozymes involved." Drug Metab Dispos 25 (1997): 321-31
  5. Bailey DG, Malcolm J, Arnold O, Spence JD "Grapefruit juice-drug interactions." Br J Clin Pharmacol 46 (1998): 101-10
  6. Lilja JJ, Kivisto KT, Neuvonen PJ "Grapefruit juice increases serum concentrations of atorvastatin and has no effect on pravastatin." Clin Pharmacol Ther 66 (1999): 118-27
  7. Neuvonen PJ, Backman JT, Niemi M "Pharmacokinetic comparison of the potential over-the-counter statins simvastatin, lovastatin, fluvastatin and pravastatin." Clin Pharmacokinet 47 (2008): 463-74

Moderate
Ventolin Hfa + Food

The following applies to the ingredients: Albuterol (found in Ventolin Hfa)

MONITOR: Coadministration of two or more sympathomimetic agents may increase the risk of adverse effects such as nervousness, irritability, and increased heart rate. Central nervous system (CNS) stimulants, particularly amphetamines, can potentiate the adrenergic response to vasopressors and other sympathomimetic agents. Additive increases in blood pressure and heart rate may occur due to enhanced peripheral sympathetic activity.

MANAGEMENT: Caution is advised if two or more sympathomimetic agents are coadministered. Pulse and blood pressure should be closely monitored.

References

  1. Rosenblatt JE, Lake CR, van Kammen DP, Ziegler MG, Bunney WE Jr "Interactions of amphetamine, pimozide, and lithium on plasma norepineophrine and dopamine-beta-hydroxylase in schizophrenic patients." Psychiatry Res 1 (1979): 45-52
  2. Cavanaugh JH, Griffith JD, Oates JA "Effect of amphetamine on the pressor response to tyramine: formation of p-hydroxynorephedrine from amphetamine in man." Clin Pharmacol Ther 11 (1970): 656
  3. "Product Information. Adderall (amphetamine-dextroamphetamine)." Shire Richwood Pharmaceutical Company Inc PROD (2001):
  4. "Product Information. Tenuate (diethylpropion)." Aventis Pharmaceuticals PROD (2001):
  5. "Product Information. Sanorex (mazindol)." Novartis Pharmaceuticals PROD (2001):
  6. "Product Information. Focalin (dexmethylphenidate)." Mikart Inc (2001):
  7. "Product Information. Strattera (atomoxetine)." Lilly, Eli and Company (2002):

Drug and Pregnancy Interactions

The following applies to the ingredients: Albuterol (found in Ventolin Hfa)

The manufacturer makes no recommendation regarding use during pregnancy.

AU TGA pregnancy category: A
US FDA pregnancy category: Not assigned

Comments:
-There are no randomized clinical studies of albuterol use during pregnancy, but available information on pregnancy exposure by inhalation do not consistently show miscarriage or major birth defects.
-This drug is known to cross the placental barrier, as evidenced by increases in fetal heart rate.
-Beta-agonists, including this drug, may potentially interfere with uterine contractility.
-In women with poorly or moderately controlled asthma, there is an increased risk of preeclampsia in the mother and prematurity, low birth weight, and small for gestational age in the neonate. Pregnant women should be closely monitored and the dose adjusted as necessary to maintain optimal control.
-In some countries, intravenous injection presentations of this drug have been approved for delay pre-term labor (tocolytic agent) and should not be used in the management of uncomplicated premature labor.

Epidemiological studies and postmarketing case reports following inhaled administration of this drug do not consistently demonstrate a risk of major birth defects or miscarriage. In animal reproduction studies, subcutaneous administration to pregnant mice evidence of cleft palate at less than and up to 9 times the maximum recommended human daily inhalation dose (MRHDID). A study in pregnant rats demonstrated that drug-related material was transferred from the maternal circulation to the fetus. There are no controlled data in human pregnancy.
During worldwide marketing experience, various congenital anomalies, including cleft palate and limb defects, have been reported in the offspring of patients being treated with this drug. Some of the mothers were taking multiple medications during their pregnancies. A relationship between the use of this drug and congenital anomalies has not been established. Profuse uterine bleeding following spontaneous abortion has been reported after the use of this drug. Special care is required in pregnant diabetic women. The background birth defect and miscarriage risk for the indicated population is not known. In the US general population, the estimated major birth defect risk is 2 to 4% and the miscarriage risk is 15 to 20%.


A pregnancy exposure registry monitors outcomes after exposure to asthma medications during pregnancy. For more information, contact the Mothers To Baby Pregnancy Studies conducted by the Organization of Teratology Information Specialists at http://mothertobaby.org/pregnancystudies/.


AU TGA pregnancy category A: Drugs which have been taken by a large number of pregnant women and women of childbearing age without any proven increase in the frequency of malformations or other direct or indirect harmful effects on the fetus having been observed.

US FDA pregnancy category Not Assigned: The US FDA has amended the pregnancy labeling rule for prescription drug products to require labeling that includes a summary of risk, a discussion of the data supporting that summary, and relevant information to help health care providers make prescribing decisions and counsel women about the use of drugs during pregnancy. Pregnancy categories A, B, C, D, and X are being phased out.

References

  1. Lunell NO, Joelsson I, Bjorkman U, Lamb P, Persson B "The use of salbutamol in obstetrics." Acta Obstet Gynecol Scand 55 (1976): 333-6
  2. Davies AE, Robertson MJ "Pulmonary oedema after the administration of intravenous salbutamol and ergometrine. Case report." Br J Obstet Gynaecol 87 (1980): 539-41
  3. Watson NA, Morgan B "Pulmonary oedema and salbutamol in preterm labour. Case report and literature review." Br J Obstet Gynaecol 96 (1989): 1445-8
  4. Lind T, Godfrey KA, Gerrard J, Bryson MR "Continuous salbutamol infusion over 17 weeks to pre-empt premature labour." Lancet 2 (1980): 1165-6
  5. Tan SN "Peri-partum pulmonary oedema." Anaesth Intensive Care 19 (1991): 111-3
  6. Hawker F "Five cases of pulmonary oedema associated with beta 2-sympathomimetic treatment of premature labour." Anaesth Intensive Care 12 (1984): 159-62
  7. Martin AJ "Severe unwanted effects associated with betasympathomimetics when used in the treatment of premature labour: causes, incidence and preventative measures." Br J Clin Pract 35 (1981): 325-9
  8. "Product Information. Proventil (albuterol)." Schering Corporation PROD (2002):
  9. "Product Information. Ventolin (albuterol)." Glaxo Wellcome PROD (2002):
  10. Rayburn WF, Atkinson BD, Gilbert K, Turnbull GL "Short-term effects of inhaled albuterol on maternal and fetal circulations." Am J Obstet Gynecol 171 (1994): 770-3
  11. Mcdonald CF, Burdon JGW "Asthma in pregnancy and lactation - a position paper for the thoracic society of australia and new zealand." Med J Aust 165 (1996): 485-8
  12. Dombrowski MP "Pharmacologic therapy of asthma during pregnancy." Obstet Gynecol Clin North Am 24 (1997): 559
  13. Cerner Multum, Inc. "UK Summary of Product Characteristics." O 0
  14. Cerner Multum, Inc. "Australian Product Information." O 0
  15. "Product Information. Albuterol Extended Release (albuterol)." Dava Pharmaceuticals Inc (2022):
  16. "Product Information. Albuterol Sulfate (albuterol)." Vista Pharm Inc (2022):
  17. "Product Information. Albuterol (albuterol)." Physicians Total Care (2022):

The following applies to the ingredients: Atorvastatin

According to some authorities: Use is contraindicated during pregnancy or in patients of childbearing potential not using contraception.

AU TGA pregnancy category: D
US FDA pregnancy category: Not assigned

Risk summary: Based on its mechanism of action, this drug may cause fetal harm when administered during pregnancy.
-Available data on the use of statins in pregnant women have not identified a drug-related risk of major congenital malformations and are insufficient to inform a drug-related risk of miscarriage.

Comments:
-If the patient becomes pregnant while taking this drug, therapy should be discontinued and the patient should be apprised of the potential harm to the fetus.
---According to some authorities: Alternatively, the ongoing needs of the individual patient should be considered.
-According to some authorities: Patients of childbearing potential should use effective contraception during therapy; this drug should be used in patients of childbearing potential only when they are highly unlikely to conceive and have been informed of the potential.

Animal studies have failed to reveal evidence of embryofetal toxicity or teratogenicity; however, at maternally toxic doses, increased postimplantation loss and decreased fetal body weights have been observed. No adverse developmental effects were observed in pregnant rats or rabbits administered oral doses that resulted in up to 30 and 20 times, respectively, the human exposure at the maximum recommended human dose (MRHD) of 80 mg (based on body surface area [mg/m2]); in rats administered this drug during gestation and lactation, decreased postnatal growth and development delay were observed at doses at least 6 times the MRHD. This drug crosses the rat placenta and reaches levels in the fetal liver equivalent to that of maternal plasma. A study of statin-exposed pregnant women compared to controls did not find a significant teratogenic effect from maternal use of statins in the first trimester, after adjusting for potential confounders. Rare cases of congenital anomalies after intrauterine exposure to HMG-CoA reductase inhibitors have been reported. There are no controlled data in human pregnancy.

Cholesterol and other products of cholesterol biosynthesis are essential components for fetal development (including synthesis of steroids and cell membranes). Because this drug decreases synthesis of cholesterol and possibly other biologically active substances derived from cholesterol, it may cause fetal harm when used during pregnancy.

Treatment of hyperlipidemia is not generally necessary during pregnancy. Since atherosclerosis is a chronic process, discontinuation of lipid-lowering drugs during pregnancy should have little impact on the outcome of long-term primary hypercholesterolemia therapy for most patients.

AU TGA pregnancy category D: Drugs which have caused, are suspected to have caused or may be expected to cause, an increased incidence of human fetal malformations or irreversible damage. These drugs may also have adverse pharmacological effects. Accompanying texts should be consulted for further details.

US FDA pregnancy category Not Assigned: The US FDA has amended the pregnancy labeling rule for prescription drug products to require labeling that includes a summary of risk, a discussion of the data supporting that summary, and relevant information to help health care providers make prescribing decisions and counsel women about the use of drugs during pregnancy. Pregnancy categories A, B, C, D, and X are being phased out.

References

  1. "Product Information. Lipitor (atorvastatin)." Viatris Specialty LLC SUPPL-81 (2024):
  2. "Product Information. Atorvaliq (atorvastatin)." Carolina Medical Products Company SUPPL-2 (2024):
  3. "Product Information. Lipitor (atorvastatin)." Aspen Pharmacare Australia Pty Ltd (2023):
  4. "Product Information. Lorstat (atorvastatin)." Alphapharm Pty Ltd (2024):
  5. "Product Information. Lipitor (atorvastatin)." Viatris UK Healthcare Ltd (2024):
  6. "Product Information. Atorvastatin (atorvastatin)." Rosemont Pharmaceuticals Ltd (2024):

Drug and Breastfeeding Interactions

The following applies to the ingredients: Albuterol (found in Ventolin Hfa)

The manufacturer makes no recommendation regarding use during lactation.

Excreted into human milk: Unknown
Excreted into animal milk: Data not available

Comments:
-There is no information regarding this drug on the presence in human milk, the effects on a breastfed infant, or effects on milk production.
-Consider the developmental and health benefits of breastfeeding along with the mother's clinical need for this medication as well as any potential adverse effects from this drug or the underlying maternal condition.

References

  1. "Product Information. Proventil (albuterol)." Schering Corporation PROD (2002):
  2. "Product Information. Ventolin (albuterol)." Glaxo Wellcome PROD (2002):
  3. Mcdonald CF, Burdon JGW "Asthma in pregnancy and lactation - a position paper for the thoracic society of australia and new zealand." Med J Aust 165 (1996): 485-8
  4. Cerner Multum, Inc. "UK Summary of Product Characteristics." O 0
  5. Cerner Multum, Inc. "Australian Product Information." O 0
  6. "Product Information. Albuterol Extended Release (albuterol)." Dava Pharmaceuticals Inc (2022):
  7. "Product Information. Albuterol Sulfate (albuterol)." Vista Pharm Inc (2022):
  8. "Product Information. Albuterol (albuterol)." Physicians Total Care (2022):

The following applies to the ingredients: Atorvastatin

Until more data are available, an alternate agent may be preferred, particularly while breastfeeding newborn or preterm infants.
-According to some authorities: Breastfeeding is not recommended during use of this drug.
-According to some authorities: Use is contraindicated.

Excreted into human milk: Unknown
Excreted into animal milk: Yes

Comments:
-Another drug in this class is excreted into human milk.
-Statins (including this drug) decrease synthesis of cholesterol and possibly other biologically active substances derived from cholesterol; they may cause harm to the breastfed infant.
-The effects in the nursing infant are unknown; based on the mechanism of action, there is the potential for serious adverse reactions in nursing infants.

Due to a concern over disruption of infant lipid metabolism, it is generally agreed that women taking a statin should not breastfeed; however, others have argued that children homozygous for familial hypercholesterolemia are treated with statins starting at 1 year of age, statins have low oral bioavailability, and risks to the breastfed infant are low. Some evidence indicates that this drug can be taken by nursing mothers with no obvious developmental problems in their infants.

In cases of patients with homozygous familial hypercholesterolemia, 6 patients breastfed 11 infants after restarting statin therapy postpartum; the specific statin was not reported, but most of the women on statin therapy were using this drug (40 or 80 mg/day). Normal early child development was reported for all offspring; children started school at the appropriate age with no learning difficulties reported.

References

  1. Bethesda (MD): National Institute of Child Health and Human Development (US) "Atorvastatin - Drugs and Lactation Database (LactMed) https://www.ncbi.nlm.nih.gov/books/NBK501361/" (2024):
  2. "Product Information. Lipitor (atorvastatin)." Viatris Specialty LLC SUPPL-81 (2024):
  3. "Product Information. Atorvaliq (atorvastatin)." Carolina Medical Products Company SUPPL-2 (2024):
  4. "Product Information. Lipitor (atorvastatin)." Aspen Pharmacare Australia Pty Ltd (2023):
  5. "Product Information. Lorstat (atorvastatin)." Alphapharm Pty Ltd (2024):
  6. "Product Information. Lipitor (atorvastatin)." Viatris UK Healthcare Ltd (2024):
  7. "Product Information. Atorvastatin (atorvastatin)." Rosemont Pharmaceuticals Ltd (2024):

Therapeutic Duplication Warnings

No warnings were found for your selected drugs.

Therapeutic duplication warnings are only returned when drugs within the same group exceed the recommended therapeutic duplication maximum.

Switch to: Consumer Interactions

Drug Interaction Classification

These classifications are only a guideline. The relevance of a particular drug interaction to a specific individual is difficult to determine. Always consult your healthcare provider before starting or stopping any medication.

Major Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit.
Moderate Moderately clinically significant. Usually avoid combinations; use it only under special circumstances.
Minor 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.
Unknown No interaction information available.

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