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Can you take Carvedilol with Tol-Tab?

1 drug interaction and 41 additional warnings found for the following 2 drugs:

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Drug interactions

Moderate drug interactions

Moderate:

TOLBUTamide carvedilol

Applies to: Tol-Tab (tolbutamide) and carvedilol

Carvedilol may interfere with blood glucose control thus increasing or reducing the effectiveness of TOLBUTamide and other diabetic medications.

Beta-blockers such as carvedilol may increase the risk, severity, and/or duration of hypoglycemia (low blood sugar) in patients receiving TOLBUTamide and certain other antidiabetic medications.

In addition, beta-blockers may mask some of the symptoms of hypoglycemia such as tremor, palpitations and rapid heartbeat, making it more difficult to recognize an oncoming episode. Other symptoms of hypoglycemia such as headache, dizziness, drowsiness, nervousness, confusion, nausea, hunger, weakness, and perspiration are not affected.

Hyperglycemia (elevated blood sugar levels) may also occur with some beta-blockers.

You may need a dose adjustment of your diabetic medications during and after treatment with carvedilol. You may also need to monitor your blood glucose levels more frequently, especially if you are prone to developing hypoglycemia.

Talk to your doctor if you have any questions or concerns. 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

Moderate food/lifestyle interactions

Moderate:

TOLBUTamide Food/Lifestyle

Applies to: Tol-Tab (tolbutamide)

Alcohol may affect blood glucose levels in patients with diabetes. Both hypoglycemia (low blood sugar) and hyperglycemia (high blood sugar) may occur, depending on how much and how often you drink.

You should avoid using alcohol if your diabetes is not well controlled or if you have:

  • high triglycerides
  • neuropathy (nerve damage)
  • pancreatitis

Moderate alcohol consumption generally does not affect blood glucose levels if your diabetes is under control. However, it may be best to limit alcohol intake to one drink daily for women and two drinks daily for men (1 drink = 5 oz wine, 12 oz beer, or 1.5 oz distilled spirits) in conjunction with your normal meal plan.

Avoid drinking alcohol on an empty stomach or following exercise, as it may increase the risk of hypoglycemia.

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

40 potential interactions Applies to: 34 conditions, including High Cholesterol, Allergies, Asthma, COPD, and Psoriasis.

Adrenal Insufficiency

Major:

Tol-Tab

The TOLBUTamide in Tol-Tab has a major potential interaction with Adrenal Insufficiency.

The use of insulin is contraindicated during episodes of hypoglycemia. Hypoglycemia may commonly occur during treatment with insulin and/or oral hypoglycemic agents. Care should be taken in patients who may be particularly susceptible to the development of hypoglycemic episodes during the use of these drugs, including but not limited to those who are debilitated or malnourished, those with renal or hepatic impairment, those with defective counterregulatory mechanisms (e.g., autonomic neuropathy and adrenal or pituitary insufficiency), and those with reduced awareness of hypoglycemia. Symptomatic awareness of hypoglycemia may be reduced in patients with longstanding diabetes, diabetic nerve disease, recurrent hypoglycemia, or concomitant medications that block the sympathetic nervous system (e.g., beta-blockers). Changes to any glucose-lowering medications, meal pattern, or physical activity may also increase risk of hypoglycemia. Increased frequency of glucose monitoring is recommended in patients at higher risk for hypoglycemia.

Allergies

Major:

carvedilol

Carvedilol has a major potential interaction with Allergies.

The use of beta-adrenergic receptor blocking agents (aka beta-blockers) in patients with a history of allergic reactions or anaphylaxis may be associated with heightened reactivity to culprit allergens. The frequency and/or severity of attacks may be increased during beta-blocker therapy. In addition, these patients may be refractory to the usual doses of epinephrine used to treat acute hypersensitivity reactions and may require a beta-agonist such as isoproterenol.

Anorexia/Feeding Problems

Major:

Tol-Tab

The TOLBUTamide in Tol-Tab has a major potential interaction with Anorexia/Feeding Problems.

The use of insulin is contraindicated during episodes of hypoglycemia. Hypoglycemia may commonly occur during treatment with insulin and/or oral hypoglycemic agents. Care should be taken in patients who may be particularly susceptible to the development of hypoglycemic episodes during the use of these drugs, including but not limited to those who are debilitated or malnourished, those with renal or hepatic impairment, those with defective counterregulatory mechanisms (e.g., autonomic neuropathy and adrenal or pituitary insufficiency), and those with reduced awareness of hypoglycemia. Symptomatic awareness of hypoglycemia may be reduced in patients with longstanding diabetes, diabetic nerve disease, recurrent hypoglycemia, or concomitant medications that block the sympathetic nervous system (e.g., beta-blockers). Changes to any glucose-lowering medications, meal pattern, or physical activity may also increase risk of hypoglycemia. Increased frequency of glucose monitoring is recommended in patients at higher risk for hypoglycemia.

Asthma

Major:

carvedilol

Carvedilol has a major potential interaction with Asthma.

Some beta-adrenergic receptor blocking agents (i.e., non-cardioselective beta-blockers) are contraindicated in patients with bronchial asthma or with a history of bronchial asthma, or severe chronic obstructive pulmonary disease. In general, beta-adrenergic receptor blocking agents should not be used in patients with bronchospastic diseases. Beta blockade may adversely affect pulmonary function by counteracting the bronchodilation produced by catecholamine stimulation of beta-2 receptors. If beta-blocker therapy is necessary in these patients, an agent with beta-1 selectivity (e.g., atenolol, metoprolol, betaxolol) is considered safer, but should be used with caution nonetheless. Cardioselectivity is not absolute and can be lost with larger doses.

Autonomic Neuropathy

Major:

Tol-Tab

The TOLBUTamide in Tol-Tab has a major potential interaction with Autonomic Neuropathy.

The use of insulin is contraindicated during episodes of hypoglycemia. Hypoglycemia may commonly occur during treatment with insulin and/or oral hypoglycemic agents. Care should be taken in patients who may be particularly susceptible to the development of hypoglycemic episodes during the use of these drugs, including but not limited to those who are debilitated or malnourished, those with renal or hepatic impairment, those with defective counterregulatory mechanisms (e.g., autonomic neuropathy and adrenal or pituitary insufficiency), and those with reduced awareness of hypoglycemia. Symptomatic awareness of hypoglycemia may be reduced in patients with longstanding diabetes, diabetic nerve disease, recurrent hypoglycemia, or concomitant medications that block the sympathetic nervous system (e.g., beta-blockers). Changes to any glucose-lowering medications, meal pattern, or physical activity may also increase risk of hypoglycemia. Increased frequency of glucose monitoring is recommended in patients at higher risk for hypoglycemia.

Cardiogenic Shock

Major:

carvedilol

Carvedilol has a major potential interaction with Cardiogenic Shock.

The use of beta-adrenergic receptor blocking agents (aka beta-blockers) is contraindicated in patients with hypotension or cardiogenic shock. Due to their negative inotropic and chronotropic effects on the heart, the use of beta-blockers is likely to further depress cardiac output and blood pressure, which can be detrimental in these patients.

Cardiovascular Conditions and Disorders

Major:

Tol-Tab

The TOLBUTamide in Tol-Tab has a major potential interaction with Cardiovascular Conditions and Disorders.

The use of oral hypoglycemic agents may be associated with an increased risk of cardiovascular mortality compared to treatment with diet alone or diet with insulin. This warning is based on the University Group Diabetes Program (UGDP) study, a long-term prospective clinical trial designed to evaluate the effectiveness of glucose-lowering drugs in preventing or delaying vascular complications in patients with non-insulin-dependent diabetes. Patients treated with diet plus a fixed dosage of either tolbutamide (a sulfonylurea) or phenformin (a biguanide) for 5 to 8 years had a cardiovascular mortality rate approximately 2.5 times that of patients treated with diet alone, resulting in discontinuation of both these treatments in the study. Despite controversy regarding interpretation of these results, clinicians and patients should be aware of the potential risk when making treatment decisions for diabetes, particularly in the presence of underlying cardiovascular disease. Data are not available for other sulfonylureas or biguanides, nor for hypoglycemic agents belonging to other classes. However, given the similarities in chemical structure and/or mode of action, the same caution should be applied.

Cerebrovascular Insufficiency

Major:

carvedilol

Carvedilol has a major potential interaction with Cerebrovascular Insufficiency.

The beta-adrenergic receptor blocking effects of carvedilol may precipitate or aggravate symptoms of arterial insufficiency in patients with peripheral vascular disease. Carvedilol may also attenuate catecholamine-mediated vasodilation during exercise by blocking beta-2 receptors in peripheral vessels. Therapy with carvedilol should be administered cautiously in patients with peripheral vascular disease. Close monitoring for progression of arterial obstruction is advised.

Moderate:

carvedilol

Carvedilol has a moderate potential interaction with Cerebrovascular Insufficiency.

Beta-adrenergic blocking agents (beta-blockers), should be used with caution in patients with cerebrovascular insufficiency because of their potential effects relative to blood pressure and pulse. If signs or symptoms suggesting reduced cerebral blood flow are observed, consideration should be given to discontinuing these agents.

COPD

Major:

carvedilol

Carvedilol has a major potential interaction with COPD.

Some beta-adrenergic receptor blocking agents (i.e., non-cardioselective beta-blockers) are contraindicated in patients with bronchial asthma or with a history of bronchial asthma, or severe chronic obstructive pulmonary disease. In general, beta-adrenergic receptor blocking agents should not be used in patients with bronchospastic diseases. Beta blockade may adversely affect pulmonary function by counteracting the bronchodilation produced by catecholamine stimulation of beta-2 receptors. If beta-blocker therapy is necessary in these patients, an agent with beta-1 selectivity (e.g., atenolol, metoprolol, betaxolol) is considered safer, but should be used with caution nonetheless. Cardioselectivity is not absolute and can be lost with larger doses.

Dehydration

Moderate:

Tol-Tab

The TOLBUTamide in Tol-Tab has a moderate potential interaction with Dehydration.

Treatment with sulfonylureas may cause hyponatremia, in patients who are on other medications or have medical conditions known to cause hyponatremia or increase release of antidiuretic hormone. The syndrome of inappropriate antidiuretic hormone (SIADH) secretion has been reported with certain sulfonylureas and these drugs may augment the peripheral (antidiuretic) action of ADH and/or increase release of ADH. Caution should be used when treating patients with hyponatremia or at greater risk of developing hyponatremia such as elderly patients, patients taking diuretics or those who are volume-depleted.

Diabetes, Type 1

Major:

Tol-Tab

The TOLBUTamide in Tol-Tab has a major potential interaction with Diabetes, Type 1.

The use of some sulfonylurea agents is contraindicated for the treatment of patients with diabetic ketoacidosis, with or without coma. In addition, these agents should not be used as sole therapy in patients with type I diabetes mellitus.

Diabetic Ketoacidosis

Major:

Tol-Tab

The TOLBUTamide in Tol-Tab has a major potential interaction with Diabetic Ketoacidosis.

The use of some sulfonylurea agents is contraindicated for the treatment of patients with diabetic ketoacidosis, with or without coma. In addition, these agents should not be used as sole therapy in patients with type I diabetes mellitus.

G-6-PD Deficiency

Moderate:

Tol-Tab

The TOLBUTamide in Tol-Tab has a moderate potential interaction with G-6-PD Deficiency.

Sulfonylureas can cause hemolytic anemia in patients with glucose 6-phosphate dehydrogenase (G6PD) deficiency. Therapy with these agents should be used with caution in patients with G6PD deficiency and consider the use of a non-sulfonylurea alternative. There have been postmarketing reports of hemolytic anemia in patients receiving these drugs who did not have known G6PD deficiency.

Glaucoma/Intraocular Hypertension

Moderate:

carvedilol

Carvedilol has a moderate potential interaction with Glaucoma/Intraocular Hypertension.

Systemic beta-adrenergic receptor blocking agents (aka beta-blockers) may lower intraocular pressure. Therefore, patients with glaucoma or intraocular hypertension may require adjustments in their ophthalmic regimen following a dosing change or discontinuation of beta-blocker therapy.

Heart Block

Major:

carvedilol

Carvedilol has a major potential interaction with Heart Block.

The use of beta-adrenergic receptor blocking agents (aka beta-blockers) is contraindicated in patients with sinus bradyarrhythmia or heart block greater than the first degree (unless a functioning pacemaker is present). Due to their negative inotropic and chronotropic effects on the heart, the use of beta-blockers is likely to exacerbate these conditions.

Hemodialysis

Major:

carvedilol

Carvedilol has a major potential interaction with Hemodialysis.

Therapy with beta-adrenergic receptor blocking agents (aka beta-blockers) should be administered cautiously in patients requiring hemodialysis. When given after dialysis, hemodynamic stability should be established prior to drug administration to avoid marked falls in blood pressure. The hemodynamic status should be closely monitored before and after the dose.

High Cholesterol

Moderate:

carvedilol

Carvedilol has a moderate potential interaction with High Cholesterol.

Beta-adrenergic receptor blocking agents (aka beta-blockers) may alter serum lipid profiles. Increases in serum VLDL and LDL cholesterol and triglycerides, as well as decreases in HDL cholesterol, have been reported with some beta-blockers. Patients with preexisting hyperlipidemia may require closer monitoring during beta-blocker therapy, and adjustments made accordingly in their lipid-lowering regimen.

Hyperthyroidism

Moderate:

carvedilol

Carvedilol has a moderate potential interaction with Hyperthyroidism.

When beta-adrenergic receptor blocking agents (aka beta-blockers) are used to alleviate symptoms of hyperthyroidism such as tachycardia, anxiety, tremor and heat intolerance, abrupt withdrawal can exacerbate thyrotoxicosis or precipitate a thyroid storm. To minimize this risk, cessation of beta-blocker therapy, when necessary, should occur gradually with incrementally reduced dosages over a period of 1 to 2 weeks. Patients should be advised not to discontinue treatment without first consulting with the physician. Close monitoring is recommended during and after therapy withdrawal.

Hypoglycemia

Major:

Tol-Tab

The TOLBUTamide in Tol-Tab has a major potential interaction with Hypoglycemia.

The use of insulin is contraindicated during episodes of hypoglycemia. Hypoglycemia may commonly occur during treatment with insulin and/or oral hypoglycemic agents. Care should be taken in patients who may be particularly susceptible to the development of hypoglycemic episodes during the use of these drugs, including but not limited to those who are debilitated or malnourished, those with renal or hepatic impairment, those with defective counterregulatory mechanisms (e.g., autonomic neuropathy and adrenal or pituitary insufficiency), and those with reduced awareness of hypoglycemia. Symptomatic awareness of hypoglycemia may be reduced in patients with longstanding diabetes, diabetic nerve disease, recurrent hypoglycemia, or concomitant medications that block the sympathetic nervous system (e.g., beta-blockers). Changes to any glucose-lowering medications, meal pattern, or physical activity may also increase risk of hypoglycemia. Increased frequency of glucose monitoring is recommended in patients at higher risk for hypoglycemia.

Hyponatremia

Moderate:

Tol-Tab

The TOLBUTamide in Tol-Tab has a moderate potential interaction with Hyponatremia.

Treatment with sulfonylureas may cause hyponatremia, in patients who are on other medications or have medical conditions known to cause hyponatremia or increase release of antidiuretic hormone. The syndrome of inappropriate antidiuretic hormone (SIADH) secretion has been reported with certain sulfonylureas and these drugs may augment the peripheral (antidiuretic) action of ADH and/or increase release of ADH. Caution should be used when treating patients with hyponatremia or at greater risk of developing hyponatremia such as elderly patients, patients taking diuretics or those who are volume-depleted.

Hypotension

Major:

carvedilol

Carvedilol has a major potential interaction with Hypotension.

The use of beta-adrenergic receptor blocking agents (aka beta-blockers) is contraindicated in patients with hypotension or cardiogenic shock. Due to their negative inotropic and chronotropic effects on the heart, the use of beta-blockers is likely to further depress cardiac output and blood pressure, which can be detrimental in these patients.

Moderate:

carvedilol

Carvedilol has a moderate potential interaction with Hypotension.

The use of carvedilol has rarely resulted in deterioration of renal function. Patients with low blood pressure (systolic BP < 100 mm Hg), ischemic heart disease and diffuse vascular disease, and/or underlying renal impairment may be at greater risk. In these patients, monitoring of renal function is recommended during dosage titration, and the dosing reduced or discontinued accordingly.

Ischemic Heart Disease

Major:

carvedilol

Carvedilol has a major potential interaction with Ischemic Heart Disease.

Heightened sensitivity to catecholamines may occur after prolonged use of beta-adrenergic receptor blocking agents (aka beta-blockers). Exacerbation of angina, myocardial infarction and ventricular arrhythmias have been reported in patients with coronary artery disease following abrupt withdrawal of therapy. Cessation of beta-blocker therapy, whenever necessary, should occur gradually with incrementally reduced dosages over a period of 1 to 2 weeks in patients with coronary insufficiency. Patients should be advised not to discontinue treatment without first consulting with the physician. In patients who experience an exacerbation of angina following discontinuation of beta-blocker therapy, the medication should generally be reinstituted, at least temporarily, along with other clinically appropriate measures.

Liver Disease

Major:

carvedilol

Carvedilol has a major potential interaction with Liver Disease.

Carvedilol is extensively metabolized by the liver. Patients with cirrhosis have demonstrated significantly higher plasma concentrations (approximately 4 to 7-fold) of carvedilol compared to healthy individuals. The use of carvedilol is contraindicated in patients with severe hepatic impairment.

Major:

carvedilol

Carvedilol has a major potential interaction with Liver Disease.

The use of carvedilol is contraindicated in patients with severe hepatic impairment. Compared to healthy subjects, patients with severe liver impairment (cirrhosis) exhibit a 4- to 7-fold increase in carvedilol levels.

Major:

Tol-Tab

The TOLBUTamide in Tol-Tab has a major potential interaction with Liver Disease.

Serious and prolonged hypoglycemia has been reported in patients with severe renal or liver disease following oral administration of tolbutamide. Diagnostic testing with tolbutamide should be administered cautiously, if necessary, in such patients. If severe hypoglycemic symptoms are observed, the test should be terminated immediately by intravenously injecting 12.5 to 25 g of glucose in a 25% to 50% solution. The patient should be monitored for some time afterwards, since reaction may be prolonged.

Malnourishment

Major:

Tol-Tab

The TOLBUTamide in Tol-Tab has a major potential interaction with Malnourishment.

The use of insulin is contraindicated during episodes of hypoglycemia. Hypoglycemia may commonly occur during treatment with insulin and/or oral hypoglycemic agents. Care should be taken in patients who may be particularly susceptible to the development of hypoglycemic episodes during the use of these drugs, including but not limited to those who are debilitated or malnourished, those with renal or hepatic impairment, those with defective counterregulatory mechanisms (e.g., autonomic neuropathy and adrenal or pituitary insufficiency), and those with reduced awareness of hypoglycemia. Symptomatic awareness of hypoglycemia may be reduced in patients with longstanding diabetes, diabetic nerve disease, recurrent hypoglycemia, or concomitant medications that block the sympathetic nervous system (e.g., beta-blockers). Changes to any glucose-lowering medications, meal pattern, or physical activity may also increase risk of hypoglycemia. Increased frequency of glucose monitoring is recommended in patients at higher risk for hypoglycemia.

Myasthenia Gravis

Moderate:

carvedilol

Carvedilol has a moderate potential interaction with Myasthenia Gravis.

Beta-adrenergic receptor blocking agents (aka beta-blockers) may potentiate muscle weakness consistent with certain myasthenic symptoms such as diplopia, ptosis, and generalized weakness. Several beta-blockers have been associated rarely with aggravation of muscle weakness in patients with preexisting myasthenia gravis or myasthenic symptoms. Use cautiously in patients with myasthenia gravis.

Panhypopituitarism

Major:

Tol-Tab

The TOLBUTamide in Tol-Tab has a major potential interaction with Panhypopituitarism.

The use of insulin is contraindicated during episodes of hypoglycemia. Hypoglycemia may commonly occur during treatment with insulin and/or oral hypoglycemic agents. Care should be taken in patients who may be particularly susceptible to the development of hypoglycemic episodes during the use of these drugs, including but not limited to those who are debilitated or malnourished, those with renal or hepatic impairment, those with defective counterregulatory mechanisms (e.g., autonomic neuropathy and adrenal or pituitary insufficiency), and those with reduced awareness of hypoglycemia. Symptomatic awareness of hypoglycemia may be reduced in patients with longstanding diabetes, diabetic nerve disease, recurrent hypoglycemia, or concomitant medications that block the sympathetic nervous system (e.g., beta-blockers). Changes to any glucose-lowering medications, meal pattern, or physical activity may also increase risk of hypoglycemia. Increased frequency of glucose monitoring is recommended in patients at higher risk for hypoglycemia.

Peripheral Arterial Disease

Major:

carvedilol

Carvedilol has a major potential interaction with Peripheral Arterial Disease.

Due to their negative inotropic and chronotropic effects on the heart, beta-adrenergic receptor blocking agents (aka beta-blockers) reduce cardiac output and may precipitate or aggravate symptoms of arterial insufficiency in patients with peripheral vascular disease. In addition, the nonselective beta-blockers (e.g., propranolol, pindolol, timolol) may attenuate catecholamine-mediated vasodilation during exercise by blocking beta-2 receptors in peripheral vessels. Therapy with beta-blockers should be administered cautiously in patients with peripheral vascular disease. Close monitoring for progression of arterial obstruction is advised.

Major:

carvedilol

Carvedilol has a major potential interaction with Peripheral Arterial Disease.

The beta-adrenergic receptor blocking effects of carvedilol may precipitate or aggravate symptoms of arterial insufficiency in patients with peripheral vascular disease. Carvedilol may also attenuate catecholamine-mediated vasodilation during exercise by blocking beta-2 receptors in peripheral vessels. Therapy with carvedilol should be administered cautiously in patients with peripheral vascular disease. Close monitoring for progression of arterial obstruction is advised.

Pheochromocytoma

Moderate:

carvedilol

Carvedilol has a moderate potential interaction with Pheochromocytoma.

Administration of beta-blockers alone in the setting of pheochromocytoma has been associated with a paradoxical increase in blood pressure due to the attenuation of beta receptor-mediated vasodilatation in skeletal muscle. In patients with pheochromocytoma, an alpha-blocking agent should be initiated prior to the use of any beta-blocking agent. Caution should be taken in the administration of these agents to patients suspected of having pheochromocytoma.

Prinzmetal's Angina

Moderate:

carvedilol

Carvedilol has a moderate potential interaction with Prinzmetal's Angina.

Agents with non-selective beta-blocking activity may provoke chest pain in patients with Prinzmetal's variant angina. the use of non-selective beta blockers is not recommended in these patients. Caution should be taken in the administration of these agents to patients suspected of having Prinzmetal's variant angina.

Psoriasis

Moderate:

carvedilol

Carvedilol has a moderate potential interaction with Psoriasis.

The use of beta-blockers in psoriatic patients should be carefully weighed since the use of these agents may cause an aggravation in psoriasis.

Renal Dysfunction

Major:

Tol-Tab

The TOLBUTamide in Tol-Tab has a major potential interaction with Renal Dysfunction.

Serious and prolonged hypoglycemia has been reported in patients with severe renal or liver disease following oral administration of tolbutamide. Diagnostic testing with tolbutamide should be administered cautiously, if necessary, in such patients. If severe hypoglycemic symptoms are observed, the test should be terminated immediately by intravenously injecting 12.5 to 25 g of glucose in a 25% to 50% solution. The patient should be monitored for some time afterwards, since reaction may be prolonged.

Moderate:

carvedilol

Carvedilol has a moderate potential interaction with Renal Dysfunction.

The use of carvedilol has rarely resulted in deterioration of renal function. Patients with low blood pressure (systolic BP < 100 mm Hg), ischemic heart disease and diffuse vascular disease, and/or underlying renal impairment may be at greater risk. In these patients, monitoring of renal function is recommended during dosage titration, and the dosing reduced or discontinued accordingly.

SIADH

Moderate:

Tol-Tab

The TOLBUTamide in Tol-Tab has a moderate potential interaction with SIADH.

Treatment with sulfonylureas may cause hyponatremia, in patients who are on other medications or have medical conditions known to cause hyponatremia or increase release of antidiuretic hormone. The syndrome of inappropriate antidiuretic hormone (SIADH) secretion has been reported with certain sulfonylureas and these drugs may augment the peripheral (antidiuretic) action of ADH and/or increase release of ADH. Caution should be used when treating patients with hyponatremia or at greater risk of developing hyponatremia such as elderly patients, patients taking diuretics or those who are volume-depleted.

Sinus Node Dysfunction

Major:

carvedilol

Carvedilol has a major potential interaction with Sinus Node Dysfunction.

The use of beta-adrenergic receptor blocking agents (aka beta-blockers) is contraindicated in patients with sinus bradyarrhythmia or heart block greater than the first degree (unless a functioning pacemaker is present). Due to their negative inotropic and chronotropic effects on the heart, the use of beta-blockers is likely to exacerbate these conditions.

Tachyarrhythmia

Moderate:

carvedilol

Carvedilol has a moderate potential interaction with Tachyarrhythmia.

Beta-adrenergic blockade in patients with Wolff-Parkinson-White syndrome and tachycardia has been associated with severe bradycardia requiring treatment with a pacemaker. In one case, this result was reported after an initial dose of 5 mg propranolol. The use of beta-adrenergic receptor blocking agents (aka beta-blockers) should be administered cautiously in these patients.

More resources

carvedilol

A total of 627 drugs are known to interact with carvedilol.

Tol-Tab

A total of 579 drugs are known to interact with Tol-Tab.

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.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.