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Can you take Phenelzine with Primatene?

1 drug interaction and 43 additional warnings found for the following 2 drugs:

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Drug interactions

Major drug interactions

Major:

ePHEDrine phenelzine

Applies to: Primatene (ephedrine / guaifenesin) and phenelzine

Using phenelzine together with ePHEDrine is not recommended. Combining these medications can cause dangerously high blood pressure and even death.

You may use ePHEDrine only after you have been off phenelzine for at least 14 days.

You should seek immediate medical attention if you experience sudden and severe headache, blurred vision, confusion, seizures, chest pain, nausea or vomiting, sudden numbness or weakness (especially on one side of the body), speech difficulties, fever, sweating, lightheadedness, and/or fainting during treatment with phenelzine, as these may be signs and symptoms of excessively high blood pressure.

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:

phenelzine Food/Lifestyle

Applies to: phenelzine

During and within two weeks after treatment with phenelzine, you must not consume any foods or beverages that are high in tyramine content. Doing so can raise your blood pressure to dangerous levels, a condition known as hypertensive crisis.

The condition is potentially fatal and may cause symptoms such as:

  • severe headache
  • confusion
  • blurred vision
  • problems with speech or balance
  • nausea
  • vomiting
  • chest pain
  • convulsions
  • sudden numbness or weakness (especially on one side of the body)

You should seek immediate medical attention if you have any of these symptoms.

Foods that are high in tyramine include, but are not limited to:

  • air dried meats
  • aged or fermented meats
  • sausage or salami
  • pickled herring
  • anchovies
  • liver
  • red wine
  • beer
  • aged cheeses, including blue, brick, brie, cheddar, parmesan, romano, and swiss
  • sour cream
  • sauerkraut
  • canned figs
  • raisins
  • bananas or avocados (particularly if overripe)
  • soy beans
  • soy sauce
  • tofu
  • miso soup
  • bean curd
  • fava beans
  • yeast extracts (such as Marmite)

You should avoid the use of alcohol while being treated with phenelzine, as alcohol may increase some of the nervous system side effects such as dizziness, drowsiness, and difficulty concentrating. Also 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 food/lifestyle interactions

Moderate:

ePHEDrine Caffeine

Applies to: Primatene (ephedrine / guaifenesin)

Both ePHEDrine 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

41 potential interactions Applies to: 24 conditions, including Bipolar Disorder, Heart Failure, Benign Prostatic Hyperplasia, Headache, and Heart Attack.

Alcoholism

Major:

phenelzine

Phenelzine has a major potential interaction with Alcoholism.

The use of monoamine oxidase inhibitors with alcohol or any other CNS depressants is contraindicated.

Angina

Moderate:

phenelzine

Phenelzine has a moderate potential interaction with Angina.

Monoamine oxidase inhibitors may have the capacity to suppress anginal pain that would otherwise serve as a warning of myocardial ischemia. Caution is advised in patients with a history of angina or risk of myocardial infarction.

Benign Prostatic Hyperplasia

Moderate:

Primatene

The ePHEDrine in Primatene 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.

Bipolar Disorder

Moderate:

phenelzine

Phenelzine has a moderate potential interaction with Bipolar Disorder.

Monoamine oxidase inhibitor (MAOI) antidepressants may cause excessive stimulation in hyperactive or schizophrenic patients. Symptoms of psychosis may be aggravated in schizophrenia, particularly that with paranoid symptomatology. Depressed patients, usually those with bipolar disorder, may experience a switch from depression to mania or hypomania. Therapy with MAOI antidepressants should be administered cautiously in patients with hyperactive or hyperexcitable personalities, schizophrenia or bipolar disorder.

Moderate:

phenelzine

Phenelzine has a moderate potential interaction with Bipolar Disorder.

A major depressive episode can be the initial presentation of bipolar disorder. Patients with depressive symptoms should be adequately screened to determine if they are at risk for bipolar disorder prior to initiating treatment with a monoamine oxidase inhibitor (MAOI). This screening should include a detailed psychiatric history, including a family history of suicide, bipolar disorder, and depression. It should be noted that MAOIs antidepressants are not approved for use in treating bipolar depression.

Carcinoid Syndrome

Major:

phenelzine

Phenelzine has a major potential interaction with Carcinoid Syndrome.

The use of nonspecific monoamine oxidase inhibitors (MAOIs) is contraindicated in patients with carcinoid syndrome. Nonspecific MAOIs inhibit the breakdown of pressor amines, including serotonin, and may exacerbate symptoms of the syndrome.

Cardiovascular Conditions and Disorders

Major:

phenelzine

Phenelzine has a major potential interaction with Cardiovascular Conditions and Disorders.

The use of most monoamine oxidase inhibitors (MAOIs) is contraindicated in patients with diagnosed cardiovascular disease, hypertension, or confirmed or suspected cerebrovascular disorders. These drugs can cause hypertensive crises, which sometimes can be fatal, and are characterized by occipital headache, palpitations, neck stiffness or soreness, nausea, sweating, dilated pupils and photophobia. Intracranial bleeding has been reported in some cases in association with the increase in blood pressure.

Normotensive patients receiving therapy with MAOIs need to have monitored their blood pressure frequently to detect any evidence of pressor response and treatment should be discontinued immediately if blood pressure increases or the patient reports symptoms such a headaches or palpitations. Additionally, patients should be advised to avoid foods and drinks with high tyramine content such as cheese, sour cream, beer, liver, bananas and others, as these might trigger an hypertensive crisis.

Major:

phenelzine

Phenelzine has a major potential interaction with Cardiovascular Conditions and Disorders.

The use of monoamine oxidase inhibitor (MAOI) antidepressants is contraindicated in patients with cerebrovascular or cardiovascular disease, including hypertension and congestive heart failure. Nonspecific MAOIs inhibit the breakdown of pressor amines, the accumulation of which can precipitate hypertensive crises. Intracranial hemorrhage and death have resulted in some cases. MAOI antidepressants are also commonly associated with dose-related orthostatic hypotension, which occurs most frequently in patients with preexisting hypertension but may be minimized with slow, gradual titration. Blood pressure should be monitored closely in all patients who receive MAOI therapy, and patients should be advised to stop taking the medication and seek medical attention immediately if signs and symptoms of a hypertensive reaction occur (e.g., occipital headache which may radiate frontally; palpitation; neck stiffness or soreness; nausea or vomiting; perspiration associated with fever or cold, clammy skin; mydriasis; photophobia; constricting chest pain).

Major:

Primatene

The ePHEDrine in Primatene 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.

Cerebral Vascular Disorder

Major:

phenelzine

Phenelzine has a major potential interaction with Cerebral Vascular Disorder.

The use of most monoamine oxidase inhibitors (MAOIs) is contraindicated in patients with diagnosed cardiovascular disease, hypertension, or confirmed or suspected cerebrovascular disorders. These drugs can cause hypertensive crises, which sometimes can be fatal, and are characterized by occipital headache, palpitations, neck stiffness or soreness, nausea, sweating, dilated pupils and photophobia. Intracranial bleeding has been reported in some cases in association with the increase in blood pressure.

Normotensive patients receiving therapy with MAOIs need to have monitored their blood pressure frequently to detect any evidence of pressor response and treatment should be discontinued immediately if blood pressure increases or the patient reports symptoms such a headaches or palpitations. Additionally, patients should be advised to avoid foods and drinks with high tyramine content such as cheese, sour cream, beer, liver, bananas and others, as these might trigger an hypertensive crisis.

Major:

phenelzine

Phenelzine has a major potential interaction with Cerebral Vascular Disorder.

The use of monoamine oxidase inhibitor (MAOI) antidepressants is contraindicated in patients with cerebrovascular or cardiovascular disease, including hypertension and congestive heart failure. Nonspecific MAOIs inhibit the breakdown of pressor amines, the accumulation of which can precipitate hypertensive crises. Intracranial hemorrhage and death have resulted in some cases. MAOI antidepressants are also commonly associated with dose-related orthostatic hypotension, which occurs most frequently in patients with preexisting hypertension but may be minimized with slow, gradual titration. Blood pressure should be monitored closely in all patients who receive MAOI therapy, and patients should be advised to stop taking the medication and seek medical attention immediately if signs and symptoms of a hypertensive reaction occur (e.g., occipital headache which may radiate frontally; palpitation; neck stiffness or soreness; nausea or vomiting; perspiration associated with fever or cold, clammy skin; mydriasis; photophobia; constricting chest pain).

Cerebrovascular Insufficiency

Major:

Primatene

The ePHEDrine in Primatene 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.

Diabetes Mellitus

Moderate:

phenelzine

Phenelzine has a moderate potential interaction with Diabetes Mellitus.

There is conflicting evidence regarding whether monoamine oxidase inhibitors (MAOIs) affect glucose metabolism or potentiate oral hypoglycemic agents. Therapy with MAOIs should be administered cautiously in patients with diabetes.

Moderate:

phenelzine

Phenelzine has a moderate potential interaction with Diabetes Mellitus.

Monoamine oxidase inhibitors can increase the sensitivity to insulin, and have contributed to hypoglycemic episodes in patients with diabetes. Caution should be used when prescribing in diabetic patients.

Moderate:

Primatene

The ePHEDrine in Primatene has a moderate potential interaction with Diabetes Mellitus.

Ephedrine may produce slight increases in blood glucose concentrations. Therapy with ephedrine should be administered cautiously in patients with diabetes mellitus. Closer monitoring of blood glucose concentrations may be appropriate. It is important that the recommended dosages of ephedrine are not exceeded.

Moderate:

Primatene

The ePHEDrine in Primatene 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.

Glaucoma, Narrow Angle

Moderate:

phenelzine

Phenelzine has a moderate potential interaction with Glaucoma, Narrow Angle.

Phenelzine, like other antidepressants has an effect on pupil size causing dilation. This effect can potentially narrow the eye angle resulting in increased intraocular pressure and angle closure glaucoma, especially in predisposed patients. Phenelzine should be used with caution in patients with anatomically narrow angle without a patent iridectomy or history of glaucoma.

Headache

Major:

phenelzine

Phenelzine has a major potential interaction with Headache.

The use of monoamine oxidase inhibitor (MAOI) antidepressants is contraindicated in patients with a history of headaches. Nonspecific MAOIs inhibit the breakdown of pressor amines, the accumulation of which can precipitate hypertensive crises. Intracranial hemorrhage and death have resulted in some cases. Since headache may often be the first symptom of a hypertensive reaction during MAOI therapy, use of these agents is not recommended in patients who experience frequent or severe headaches. MAOIs should be withdrawn promptly if headaches develop during treatment.

Heart Attack

Moderate:

phenelzine

Phenelzine has a moderate potential interaction with Heart Attack.

Monoamine oxidase inhibitors may have the capacity to suppress anginal pain that would otherwise serve as a warning of myocardial ischemia. Caution is advised in patients with a history of angina or risk of myocardial infarction.

Heart Failure

Major:

phenelzine

Phenelzine has a major potential interaction with Heart Failure.

The use of most monoamine oxidase inhibitors (MAOIs) is contraindicated in patients with diagnosed cardiovascular disease, hypertension, or confirmed or suspected cerebrovascular disorders. These drugs can cause hypertensive crises, which sometimes can be fatal, and are characterized by occipital headache, palpitations, neck stiffness or soreness, nausea, sweating, dilated pupils and photophobia. Intracranial bleeding has been reported in some cases in association with the increase in blood pressure.

Normotensive patients receiving therapy with MAOIs need to have monitored their blood pressure frequently to detect any evidence of pressor response and treatment should be discontinued immediately if blood pressure increases or the patient reports symptoms such a headaches or palpitations. Additionally, patients should be advised to avoid foods and drinks with high tyramine content such as cheese, sour cream, beer, liver, bananas and others, as these might trigger an hypertensive crisis.

Hyperthyroidism

Major:

phenelzine

Phenelzine has a major potential interaction with Hyperthyroidism.

Nonspecific monoamine oxidase inhibitors (MAOIs) inhibit the breakdown of pressor amines, the accumulation of which can precipitate hypertensive crises. Intracranial hemorrhage and death have resulted in some cases. Therapy with nonspecific MAOIs should be administered cautiously in patients with hyperthyroidism, since these patients have an increased sensitivity to pressor amines. Blood pressure should be monitored closely during therapy, and patients should be advised to stop taking the medication and seek medical attention immediately if signs and symptoms of a hypertensive reaction occur (e.g., occipital headache which may radiate frontally; palpitation; neck stiffness or soreness; nausea or vomiting; perspiration associated with fever or cold, clammy skin; mydriasis; photophobia; constricting chest pain).

Major:

Primatene

The ePHEDrine in Primatene 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.

Hypotension

Major:

phenelzine

Phenelzine has a major potential interaction with Hypotension.

The use of monoamine oxidase inhibitor (MAOI) antidepressants is contraindicated in patients with cerebrovascular or cardiovascular disease, including hypertension and congestive heart failure. Nonspecific MAOIs inhibit the breakdown of pressor amines, the accumulation of which can precipitate hypertensive crises. Intracranial hemorrhage and death have resulted in some cases. MAOI antidepressants are also commonly associated with dose-related orthostatic hypotension, which occurs most frequently in patients with preexisting hypertension but may be minimized with slow, gradual titration. Blood pressure should be monitored closely in all patients who receive MAOI therapy, and patients should be advised to stop taking the medication and seek medical attention immediately if signs and symptoms of a hypertensive reaction occur (e.g., occipital headache which may radiate frontally; palpitation; neck stiffness or soreness; nausea or vomiting; perspiration associated with fever or cold, clammy skin; mydriasis; photophobia; constricting chest pain).

Moderate:

phenelzine

Phenelzine has a moderate potential interaction with Hypotension.

Hypotension has been observed during therapy with monoamine oxidase inhibitors. These drugs should be used with caution, especially in patients with tendency towards hypotension or taking other drugs known to cause hypotension.

Liver Disease

Major:

phenelzine

Phenelzine has a major potential interaction with Liver Disease.

The use of monoamine oxidase inhibitor (MAOI) antidepressants is contraindicated in patients with abnormal liver function tests or a history of liver disease. A low incidence of altered liver function or hepatocellular jaundice has been reported in association with the use of MAOI antidepressants. Periodic monitoring of liver function tests is recommended during prolonged and/or high-dose therapy.

Major:

phenelzine

Phenelzine has a major potential interaction with Liver Disease.

The use of monoamine oxidase inhibitors is contraindicated in patients with a history of liver disease or in those with abnormal liver function tests.

Mania

Moderate:

phenelzine

Phenelzine has a moderate potential interaction with Mania.

Some monoamine oxidase inhibitors such as isocarboxazid and phenelzine, should be used cautiously in hyperactive and agitated patients, as well as schizophrenic patients, as these may cause excessive stimulation. Additionally, activation of mania/hypomania has been reported in a small portion of patients with major affective disorders.

Moderate:

phenelzine

Phenelzine has a moderate potential interaction with Mania.

Monoamine oxidase inhibitor (MAOI) antidepressants may cause excessive stimulation in hyperactive or schizophrenic patients. Symptoms of psychosis may be aggravated in schizophrenia, particularly that with paranoid symptomatology. Depressed patients, usually those with bipolar disorder, may experience a switch from depression to mania or hypomania. Therapy with MAOI antidepressants should be administered cautiously in patients with hyperactive or hyperexcitable personalities, schizophrenia or bipolar disorder.

Parkinsonism

Moderate:

phenelzine

Phenelzine has a moderate potential interaction with Parkinsonism.

Nonspecific monoamine oxidase inhibitors (MAOIs) may increase the frequency and severity of signs and symptoms associated with parkinsonian syndrome. Therapy with nonspecific MAOIs should be administered cautiously in patients with this disorder.

Pheochromocytoma

Major:

phenelzine

Phenelzine has a major potential interaction with Pheochromocytoma.

The use of most monoamine oxidase inhibitors (MAOIs) is contraindicated in patients with pheochromocytoma, as such tumors secrete pressor substances whose metabolism may be inhibited by these drugs.

Major:

phenelzine

Phenelzine has a major potential interaction with Pheochromocytoma.

The use of nonspecific monoamine oxidase inhibitors (MAOIs) is contraindicated in patients with pheochromocytoma or other tumors of the adrenal medulla, such as some neuroblastomas, that secrete pressor substances. Nonspecific MAOIs inhibit the breakdown of pressor amines, the accumulation of which can precipitate hypertensive crises. Intracranial hemorrhage and death have resulted in some cases.

Major:

Primatene

The ePHEDrine in Primatene 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:

Primatene

The ePHEDrine in Primatene 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.

Renal Dysfunction

Major:

phenelzine

Phenelzine has a major potential interaction with Renal Dysfunction.

The use of monoamine oxidase inhibitor (MAOI) antidepressants is contraindicated in patients with severe renal dysfunction. These drugs may accumulate in plasma when renal function is impaired.

Major:

phenelzine

Phenelzine has a major potential interaction with Renal Dysfunction.

The use of some monoamine oxidase inhibitors such as isocarboxazid and phenelzine, is contraindicated in patients with severe renal impairment.

Moderate:

phenelzine

Phenelzine has a moderate potential interaction with Renal Dysfunction.

Monoamine oxidase inhibitors should be used with caution in patients with renal impairment as there is a possibility of cumulative effects in such patients. Dose selection should be cautious, usually starting at the low end of the dosing range.

Schizophrenia

Moderate:

phenelzine

Phenelzine has a moderate potential interaction with Schizophrenia.

Some monoamine oxidase inhibitors such as isocarboxazid and phenelzine, should be used cautiously in hyperactive and agitated patients, as well as schizophrenic patients, as these may cause excessive stimulation. Additionally, activation of mania/hypomania has been reported in a small portion of patients with major affective disorders.

Moderate:

phenelzine

Phenelzine has a moderate potential interaction with Schizophrenia.

Monoamine oxidase inhibitor (MAOI) antidepressants may cause excessive stimulation in hyperactive or schizophrenic patients. Symptoms of psychosis may be aggravated in schizophrenia, particularly that with paranoid symptomatology. Depressed patients, usually those with bipolar disorder, may experience a switch from depression to mania or hypomania. Therapy with MAOI antidepressants should be administered cautiously in patients with hyperactive or hyperexcitable personalities, schizophrenia or bipolar disorder.

Seizures

Moderate:

phenelzine

Phenelzine has a moderate potential interaction with Seizures.

Monoamine oxidase inhibitors have shown a variable effect on the convulsive threshold. Caution should be used when treating patients with epilepsy.

Moderate:

phenelzine

Phenelzine has a moderate potential interaction with Seizures.

Monoamine oxidase inhibitor (MAOI) antidepressants may have variable effects on seizure threshold. Decreased seizure frequency as well as increased frequency have been reported. Therapy with MAOI antidepressants should be administered cautiously in patients with a history of seizures.

Urinary Tract Obstruction

Moderate:

Primatene

The ePHEDrine in Primatene has a moderate potential interaction with Urinary Tract Obstruction.

Sympathomimetic agents such as ephedrine have the potential for producing clinically significant systemic effects, particularly during prolonged or indiscriminate use. In patients with prostate enlargement, urinary difficulty may develop or worsen due to smooth muscle contraction in the bladder neck via stimulation of alpha-1 adrenergic receptors. Therapy with ephedrine should be administered cautiously in patients with difficulty for urination due to hypertrophy or neoplasm of the prostate. It is important that the recommended dosages are not exceeded.

More resources

phenelzine

A total of 552 drugs are known to interact with phenelzine.

Primatene

A total of 243 drugs are known to interact with Primatene.

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.