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Can you take Diazoxide with Ryna-12X?

1 drug interaction and 35 additional warnings found for the following 2 drugs:

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Drug interactions

Moderate drug interactions

Moderate:

diazoxide pyrilamine

Applies to: diazoxide and Ryna-12X (guaifenesin / phenylephrine / pyrilamine)

Pyrilamine and diazoxide may have additive effects in lowering your blood pressure. You may experience headache, dizziness, lightheadedness, fainting, or changes in pulse or heart rate, especially when treatment is started, the dose is changed, or treatment is restarted. Tell your doctor promptly if these symptoms occur and seek urgent medical help if you faint or have severe dizziness. Avoid driving or operating hazardous machinery until you know how the medications affect you, and use caution when getting up from a sitting or lying position. 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:

pyrilamine Food/Lifestyle

Applies to: Ryna-12X (guaifenesin / phenylephrine / pyrilamine)

Alcohol can increase the nervous system side effects of pyrilamine such as dizziness, drowsiness, and difficulty concentrating. Some people may also experience impairment in thinking and judgment. You should avoid or limit the use of alcohol while being treated with pyrilamine. Do not use more than the recommended dose of pyrilamine, and avoid activities requiring mental alertness such as driving or operating hazardous machinery until you know how the medication affects you. Talk to your doctor or pharmacist if you have any questions or concerns.

Moderate:

diazoxide Alcohol (Ethanol)

Applies to: diazoxide

Ethanol and diazoxide may have additive effects in lowering your blood pressure. You may experience headache, dizziness, lightheadedness, fainting, or changes in pulse or heart rate, especially when treatment is started, the dose is changed, or treatment is restarted. Tell your doctor promptly if these symptoms occur and seek urgent medical help if you faint or have severe dizziness. Avoid driving or operating hazardous machinery until you know how the medications affect you, and use caution when getting up from a sitting or lying position. 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:

phenylephrine Caffeine

Applies to: Ryna-12X (guaifenesin / phenylephrine / pyrilamine)

Both phenylephrine 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

32 potential interactions Applies to: 23 conditions, including Depression, Weight Loss, Heart Failure, Asthma, and Benign Prostatic Hyperplasia.

Alcoholism

Moderate:

diazoxide

Diazoxide has a moderate potential interaction with Alcoholism.

Diazoxide extended-release tablets can cause hyperglycemia, including severe adverse reactions associated with diabetic ketoacidosis. Precipitating conditions for diabetic ketoacidosis may include volume depletion or alcohol abuse. Before starting therapy, test fasting plasma glucose (FPG) and hemoglobin A1c (HbA1c); optimize blood glucose in patients with hyperglycemia. Monitor fasting glucose (FPG or fasting blood glucose) and HbA1c regularly during therapy; monitor fasting glucose more often for the first few weeks of therapy in patients with risk factors for hyperglycemia, such as obesity, elevated FPG, or HbA1c at or above the upper limit of normal. In patients with worsening hyperglycemia, consider monitoring ketones.

Asthma

Moderate:

Ryna-12X

The pyrilamine in Ryna-12X has a moderate potential interaction with Asthma.

It has been suggested that the anticholinergic effect of antihistamines may reduce the volume and cause thickening of bronchial secretions, resulting in obstruction of respiratory tract. Some manufacturers and clinicians recommend that therapy with antihistamines be administered cautiously in patients with asthma or chronic obstructive pulmonary disease.

Benign Prostatic Hyperplasia

Moderate:

Ryna-12X

The phenylephrine in Ryna-12X has a moderate potential interaction with Benign Prostatic Hyperplasia.

Sympathomimetic agents may cause or worsen urinary difficulty in patients with prostate enlargement due to smooth muscle contraction in the bladder neck via stimulation of alpha-1 adrenergic receptors. Therapy with sympathomimetic agents should be administered cautiously in patients with hypertrophy or neoplasm of the prostate.

Cardiovascular Conditions and Disorders

Major:

Ryna-12X

The phenylephrine in Ryna-12X has a major potential interaction with Cardiovascular Conditions and Disorders.

Sympathomimetic agents may cause adverse cardiovascular effects, particularly when used in high dosages and/or in susceptible patients. In cardiac tissues, these agents may produce positive chronotropic and inotropic effects via stimulation of beta- 1 adrenergic receptors. Cardiac output, oxygen consumption, and the work of the heart may be increased. In the peripheral vasculature, vasoconstriction may occur via stimulation of alpha-1 adrenergic receptors. Palpitations, tachycardia, arrhythmia, hypertension, reflex bradycardia, coronary occlusion, cerebral vasculitis, myocardial infarction, cardiac arrest, and death have been reported. Some of these agents, particularly ephedra alkaloids (ephedrine, ma huang, phenylpropanolamine), may also predispose patients to hemorrhagic and ischemic stroke. Therapy with sympathomimetic agents should generally be avoided or administered cautiously in patients with sensitivity to sympathomimetic amines, hyperthyroidism, or underlying cardiovascular or cerebrovascular disorders. These agents should not be used in patients with severe coronary artery disease or severe/uncontrolled hypertension.

Moderate:

Ryna-12X

The pyrilamine in Ryna-12X has a moderate potential interaction with Cardiovascular Conditions and Disorders.

Antihistamines may infrequently cause cardiovascular adverse effects related to their anticholinergic and local anesthetic (quinidine-like) activities. Tachycardia, palpitation, ECG changes, arrhythmias, hypotension, and hypertension have been reported. Although these effects are uncommon and usually limited to overdosage situations, the manufacturers and some clinicians recommend that therapy with antihistamines be administered cautiously in patients with cardiovascular disease, hypertension, and/or hyperthyroidism.

Cerebrovascular Insufficiency

Major:

Ryna-12X

The phenylephrine in Ryna-12X has a major potential interaction with Cerebrovascular Insufficiency.

Sympathomimetic agents may cause adverse cardiovascular effects, particularly when used in high dosages and/or in susceptible patients. In cardiac tissues, these agents may produce positive chronotropic and inotropic effects via stimulation of beta- 1 adrenergic receptors. Cardiac output, oxygen consumption, and the work of the heart may be increased. In the peripheral vasculature, vasoconstriction may occur via stimulation of alpha-1 adrenergic receptors. Palpitations, tachycardia, arrhythmia, hypertension, reflex bradycardia, coronary occlusion, cerebral vasculitis, myocardial infarction, cardiac arrest, and death have been reported. Some of these agents, particularly ephedra alkaloids (ephedrine, ma huang, phenylpropanolamine), may also predispose patients to hemorrhagic and ischemic stroke. Therapy with sympathomimetic agents should generally be avoided or administered cautiously in patients with sensitivity to sympathomimetic amines, hyperthyroidism, or underlying cardiovascular or cerebrovascular disorders. These agents should not be used in patients with severe coronary artery disease or severe/uncontrolled hypertension.

COPD

Moderate:

Ryna-12X

The pyrilamine in Ryna-12X has a moderate potential interaction with COPD.

It has been suggested that the anticholinergic effect of antihistamines may reduce the volume and cause thickening of bronchial secretions, resulting in obstruction of respiratory tract. Some manufacturers and clinicians recommend that therapy with antihistamines be administered cautiously in patients with asthma or chronic obstructive pulmonary disease.

Dehydration

Moderate:

diazoxide

Diazoxide has a moderate potential interaction with Dehydration.

Diazoxide extended-release tablets can cause hyperglycemia, including severe adverse reactions associated with diabetic ketoacidosis. Precipitating conditions for diabetic ketoacidosis may include volume depletion or alcohol abuse. Before starting therapy, test fasting plasma glucose (FPG) and hemoglobin A1c (HbA1c); optimize blood glucose in patients with hyperglycemia. Monitor fasting glucose (FPG or fasting blood glucose) and HbA1c regularly during therapy; monitor fasting glucose more often for the first few weeks of therapy in patients with risk factors for hyperglycemia, such as obesity, elevated FPG, or HbA1c at or above the upper limit of normal. In patients with worsening hyperglycemia, consider monitoring ketones.

Depression

Major:

Ryna-12X

The pyrilamine in Ryna-12X has a major potential interaction with Depression.

A variety of abnormal thinking and behavior changes have been reported to occur in association with the use of most anxiolytics, sedatives and hypnotics. Some of these changes include decreased inhibition, aggressiveness, agitation, and hallucinations. These drugs can cause or exacerbate mental depression and cause suicidal behavior and ideation. Therapy with these drugs should be administered cautiously in patients with a history of depression or other psychiatric disorders. Patients should be monitored for any changes in mood or behavior. It may be prudent to refrain from dispensing large quantities of medication to these patients.

Diabetes Mellitus

Moderate:

diazoxide

Diazoxide has a moderate potential interaction with Diabetes Mellitus.

Diazoxide extended-release tablets can cause hyperglycemia, including severe adverse reactions associated with diabetic ketoacidosis. Precipitating conditions for diabetic ketoacidosis may include volume depletion or alcohol abuse. Before starting therapy, test fasting plasma glucose (FPG) and hemoglobin A1c (HbA1c); optimize blood glucose in patients with hyperglycemia. Monitor fasting glucose (FPG or fasting blood glucose) and HbA1c regularly during therapy; monitor fasting glucose more often for the first few weeks of therapy in patients with risk factors for hyperglycemia, such as obesity, elevated FPG, or HbA1c at or above the upper limit of normal. In patients with worsening hyperglycemia, consider monitoring ketones.

Moderate:

Ryna-12X

The phenylephrine in Ryna-12X has a moderate potential interaction with Diabetes Mellitus.

Sympathomimetic agents 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. Therapy with sympathomimetic agents should be administered cautiously in patients with diabetes mellitus. Closer monitoring of blood glucose concentrations may be appropriate.

Fluid Retention

Moderate:

diazoxide

Diazoxide has a moderate potential interaction with Fluid Retention.

Diazoxide may lead to significant fluid retention, which may precipitate congestive heart failure in patients with impaired cardiac reserve. Diazoxide extended-release tablets have not been studied in patients with impaired cardiac reserve and should be used with caution in these patients. Monitor for signs/symptoms of edema or fluid overload and consider appropriate clinical management if clinically significant.

Gastrointestinal Obstruction

Moderate:

Ryna-12X

The pyrilamine in Ryna-12X has a moderate potential interaction with Gastrointestinal Obstruction.

Antihistamines often have anticholinergic activity, to which elderly patients are particularly sensitive. Therapy with antihistamines should be administered cautiously, if at all, in patients with preexisting conditions that are likely to be exacerbated by anticholinergic activity, such as urinary retention or obstruction; angle-closure glaucoma, untreated intraocular hypertension, or uncontrolled primary open-angle glaucoma; and gastrointestinal obstructive disorders. Conventional, first-generation antihistamines such as the ethanolamines (bromodiphenhydramine, carbinoxamine, clemastine, dimenhydrinate, diphenhydramine, doxylamine, phenyltoloxamine) tend to exhibit substantial anticholinergic effects. In contrast, the newer, relatively nonsedating antihistamines (e.g., cetirizine, fexofenadine, loratadine) reportedly have low to minimal anticholinergic activity at normally recommended dosages and may be appropriate alternatives.

Glaucoma/Intraocular Hypertension

Moderate:

Ryna-12X

The pyrilamine in Ryna-12X has a moderate potential interaction with Glaucoma/Intraocular Hypertension.

Antihistamines often have anticholinergic activity, to which elderly patients are particularly sensitive. Therapy with antihistamines should be administered cautiously, if at all, in patients with preexisting conditions that are likely to be exacerbated by anticholinergic activity, such as urinary retention or obstruction; angle-closure glaucoma, untreated intraocular hypertension, or uncontrolled primary open-angle glaucoma; and gastrointestinal obstructive disorders. Conventional, first-generation antihistamines such as the ethanolamines (bromodiphenhydramine, carbinoxamine, clemastine, dimenhydrinate, diphenhydramine, doxylamine, phenyltoloxamine) tend to exhibit substantial anticholinergic effects. In contrast, the newer, relatively nonsedating antihistamines (e.g., cetirizine, fexofenadine, loratadine) reportedly have low to minimal anticholinergic activity at normally recommended dosages and may be appropriate alternatives.

Moderate:

Ryna-12X

The phenylephrine in Ryna-12X has a moderate potential interaction with Glaucoma/Intraocular Hypertension.

Sympathomimetic agents can induce transient mydriasis via stimulation of alpha-1 adrenergic receptors. In patients with anatomically narrow angles or narrow-angle glaucoma, pupillary dilation can provoke an acute attack. In patients with other forms of glaucoma, mydriasis may occasionally increase intraocular pressure. Therapy with sympathomimetic agents should be administered cautiously in patients with or predisposed to glaucoma, particularly narrow-angle glaucoma.

Moderate:

Ryna-12X

The pyrilamine in Ryna-12X has a moderate potential interaction with Glaucoma/Intraocular Hypertension.

Some hypnotic drugs can have an anticholinergic effect and should be used with caution in patients with glaucoma, and trouble urinating due to retention or enlarged prostate.

Gout

Moderate:

diazoxide

Diazoxide has a moderate potential interaction with Gout.

Diazoxide can increase serum uric acid levels due to decreased excretion. This effect should be considered when using diazoxide oral suspension, particularly in patients with hyperuricemia or a history of gout.

Heart Failure

Moderate:

diazoxide

Diazoxide has a moderate potential interaction with Heart Failure.

Diazoxide may lead to significant fluid retention, which may precipitate congestive heart failure in patients with impaired cardiac reserve. Diazoxide extended-release tablets have not been studied in patients with impaired cardiac reserve and should be used with caution in these patients. Monitor for signs/symptoms of edema or fluid overload and consider appropriate clinical management if clinically significant.

Hyperthyroidism

Major:

Ryna-12X

The phenylephrine in Ryna-12X has a major potential interaction with Hyperthyroidism.

Sympathomimetic agents may cause adverse cardiovascular effects, particularly when used in high dosages and/or in susceptible patients. In cardiac tissues, these agents may produce positive chronotropic and inotropic effects via stimulation of beta- 1 adrenergic receptors. Cardiac output, oxygen consumption, and the work of the heart may be increased. In the peripheral vasculature, vasoconstriction may occur via stimulation of alpha-1 adrenergic receptors. Palpitations, tachycardia, arrhythmia, hypertension, reflex bradycardia, coronary occlusion, cerebral vasculitis, myocardial infarction, cardiac arrest, and death have been reported. Some of these agents, particularly ephedra alkaloids (ephedrine, ma huang, phenylpropanolamine), may also predispose patients to hemorrhagic and ischemic stroke. Therapy with sympathomimetic agents should generally be avoided or administered cautiously in patients with sensitivity to sympathomimetic amines, hyperthyroidism, or underlying cardiovascular or cerebrovascular disorders. These agents should not be used in patients with severe coronary artery disease or severe/uncontrolled hypertension.

Moderate:

Ryna-12X

The pyrilamine in Ryna-12X has a moderate potential interaction with Hyperthyroidism.

Antihistamines may infrequently cause cardiovascular adverse effects related to their anticholinergic and local anesthetic (quinidine-like) activities. Tachycardia, palpitation, ECG changes, arrhythmias, hypotension, and hypertension have been reported. Although these effects are uncommon and usually limited to overdosage situations, the manufacturers and some clinicians recommend that therapy with antihistamines be administered cautiously in patients with cardiovascular disease, hypertension, and/or hyperthyroidism.

Hypotension

Moderate:

Ryna-12X

The pyrilamine in Ryna-12X has a moderate potential interaction with Hypotension.

Antihistamines may infrequently cause cardiovascular adverse effects related to their anticholinergic and local anesthetic (quinidine-like) activities. Tachycardia, palpitation, ECG changes, arrhythmias, hypotension, and hypertension have been reported. Although these effects are uncommon and usually limited to overdosage situations, the manufacturers and some clinicians recommend that therapy with antihistamines be administered cautiously in patients with cardiovascular disease, hypertension, and/or hyperthyroidism.

Liver Disease

Moderate:

diazoxide

Diazoxide has a moderate potential interaction with Liver Disease.

Diazoxide extended-release tablets have not been studied in patients with liver dysfunction and are not recommended for use in these patients.

Moderate:

Ryna-12X

The pyrilamine in Ryna-12X has a moderate potential interaction with Liver Disease.

Limited pharmacokinetic data are available for the older, first-generation antihistamines. Many appear to be primarily metabolized by the liver, and both parent drugs and metabolites are excreted in the urine. Patients with renal and/or liver disease may be at greater risk for adverse effects from antihistamines due to drug and metabolite accumulation. Therapy with antihistamines should be administered cautiously in such patients. Lower initial dosages may be appropriate.

Moderate:

Ryna-12X

The pyrilamine in Ryna-12X has a moderate potential interaction with Liver Disease.

In general, anxiolytics, sedatives and hypnotics are extensively metabolized by the liver. Their plasma clearance may be decreased and their half-life prolonged in patients with impaired hepatic function. Therapy with these drugs should be administered cautiously in patients with liver disease (some are not recommended in severe liver impairment), and the dosage should be adjusted accordingly. Laboratory testing is recommended prior and during treatment.

Pheochromocytoma

Major:

Ryna-12X

The phenylephrine in Ryna-12X has a major potential interaction with Pheochromocytoma.

Sympathomimetic agents may cause adverse cardiovascular effects, particularly when used in high dosages and/or in susceptible patients. In cardiac tissues, these agents may produce positive chronotropic and inotropic effects via stimulation of beta- 1 adrenergic receptors. Cardiac output, oxygen consumption, and the work of the heart may be increased. In the peripheral vasculature, vasoconstriction may occur via stimulation of alpha-1 adrenergic receptors. Palpitations, tachycardia, arrhythmia, hypertension, reflex bradycardia, coronary occlusion, cerebral vasculitis, myocardial infarction, cardiac arrest, and death have been reported. Some of these agents, particularly ephedra alkaloids (ephedrine, ma huang, phenylpropanolamine), may also predispose patients to hemorrhagic and ischemic stroke. Therapy with sympathomimetic agents should generally be avoided or administered cautiously in patients with sensitivity to sympathomimetic amines, hyperthyroidism, or underlying cardiovascular or cerebrovascular disorders. These agents should not be used in patients with severe coronary artery disease or severe/uncontrolled hypertension.

Prostate Tumor, Benign

Moderate:

Ryna-12X

The phenylephrine in Ryna-12X has a moderate potential interaction with Prostate Tumor, Benign.

Sympathomimetic agents may cause or worsen urinary difficulty in patients with prostate enlargement due to smooth muscle contraction in the bladder neck via stimulation of alpha-1 adrenergic receptors. Therapy with sympathomimetic agents should be administered cautiously in patients with hypertrophy or neoplasm of the prostate.

Pulmonary Arterial Hypertension

Moderate:

diazoxide

Diazoxide has a moderate potential interaction with Pulmonary Arterial Hypertension.

Pulmonary hypertension has been reported postmarketing in infants and neonates treated with diazoxide oral suspension and was reversible following discontinuation of the drug. Patients should be monitored, especially those with risk factors for pulmonary hypertension, for respiratory distress. The oral suspension should be discontinued if pulmonary hypertension is suspected.

Renal Dysfunction

Moderate:

diazoxide

Diazoxide has a moderate potential interaction with Renal Dysfunction.

Diazoxide extended-release tablets have not been studied in patients with renal dysfunction and are not recommended for use in these patients. The plasma half-life of diazoxide oral suspension is prolonged in patients with impaired renal function; a reduced dosage should be considered and serum electrolyte levels should be evaluated for such patients.

Moderate:

Ryna-12X

The pyrilamine in Ryna-12X has a moderate potential interaction with Renal Dysfunction.

Limited pharmacokinetic data are available for the older, first-generation antihistamines. Many appear to be primarily metabolized by the liver, and both parent drugs and metabolites are excreted in the urine. Patients with renal and/or liver disease may be at greater risk for adverse effects from antihistamines due to drug and metabolite accumulation. Therapy with antihistamines should be administered cautiously in such patients. Lower initial dosages may be appropriate.

Urinary Retention

Moderate:

Ryna-12X

The pyrilamine in Ryna-12X has a moderate potential interaction with Urinary Retention.

Antihistamines often have anticholinergic activity, to which elderly patients are particularly sensitive. Therapy with antihistamines should be administered cautiously, if at all, in patients with preexisting conditions that are likely to be exacerbated by anticholinergic activity, such as urinary retention or obstruction; angle-closure glaucoma, untreated intraocular hypertension, or uncontrolled primary open-angle glaucoma; and gastrointestinal obstructive disorders. Conventional, first-generation antihistamines such as the ethanolamines (bromodiphenhydramine, carbinoxamine, clemastine, dimenhydrinate, diphenhydramine, doxylamine, phenyltoloxamine) tend to exhibit substantial anticholinergic effects. In contrast, the newer, relatively nonsedating antihistamines (e.g., cetirizine, fexofenadine, loratadine) reportedly have low to minimal anticholinergic activity at normally recommended dosages and may be appropriate alternatives.

Moderate:

Ryna-12X

The pyrilamine in Ryna-12X has a moderate potential interaction with Urinary Retention.

Some hypnotic drugs can have an anticholinergic effect and should be used with caution in patients with glaucoma, and trouble urinating due to retention or enlarged prostate.

Weight Loss

Moderate:

diazoxide

Diazoxide has a moderate potential interaction with Weight Loss.

Diazoxide extended-release tablets can cause hyperglycemia, including severe adverse reactions associated with diabetic ketoacidosis. Precipitating conditions for diabetic ketoacidosis may include volume depletion or alcohol abuse. Before starting therapy, test fasting plasma glucose (FPG) and hemoglobin A1c (HbA1c); optimize blood glucose in patients with hyperglycemia. Monitor fasting glucose (FPG or fasting blood glucose) and HbA1c regularly during therapy; monitor fasting glucose more often for the first few weeks of therapy in patients with risk factors for hyperglycemia, such as obesity, elevated FPG, or HbA1c at or above the upper limit of normal. In patients with worsening hyperglycemia, consider monitoring ketones.

More resources

diazoxide

A total of 264 drugs are known to interact with diazoxide.

Ryna-12X

A total of 570 drugs are known to interact with Ryna-12X.

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.