Can you take Naltrexone with Theraflu Flu Cold & Cough?
1 drug interaction and 22 additional warnings found for the following 2 drugs:
- naltrexone
- Theraflu Flu Cold & Cough (acetaminophen/dextromethorphan/pseudoephedrine)
Drug interactions
Moderate drug interactions
Moderate:
acetaminophen naltrexone
Applies to: Theraflu Flu Cold & Cough (acetaminophen / dextromethorphan / pseudoephedrine) and naltrexone
Naltrexone may cause liver problems, and using it with other medications that can also affect the liver such as acetaminophen may increase that risk.
You should avoid or limit the use of alcohol while being treated with these medications.
Call your doctor immediately if you have:
- fever
- chills
- joint pain or swelling
- unusual bleeding or bruising
- skin rash
- itching
- loss of appetite
- fatigue
- nausea
- vomiting
- abdominal pain
- dark urine
- pale stools
- and/or yellowing of the skin or eyes
These may be signs and symptoms of liver damage.
Talk to your doctor or pharmacist 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
Major food/lifestyle interactions
Major:
acetaminophen Food/Lifestyle
Applies to: Theraflu Flu Cold & Cough (acetaminophen / dextromethorphan / pseudoephedrine)
Acetaminophen may cause liver damage and taking it with alcohol may increase that risk.
You should avoid or limit the use of alcohol while being treated with acetaminophen.
Call your doctor immediately if you have:
- fever
- chills
- joint pain or swelling
- excessive tiredness or weakness
- unusual bleeding or bruising
- skin rash or itching
- loss of appetite
- nausea
- vomiting
- dark colored urine
- yellowing of the skin or the whites of your eyes
These may be symptoms of liver damage.
It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.
Moderate food/lifestyle interactions
Moderate:
dextromethorphan Food/Lifestyle
Applies to: Theraflu Flu Cold & Cough (acetaminophen / dextromethorphan / pseudoephedrine)
Alcohol can increase the nervous system side effects of dextromethorphan such as:
- dizziness
- drowsiness
- 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 dextromethorphan.
Do not use more than the recommended dose of dextromethorphan, 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:
naltrexone Alcohol (Ethanol)
Applies to: naltrexone
Naltrexone may cause liver problems, and using it with other medications that can also affect the liver such as ethanol (alcohol) may increase that risk.
You should avoid or limit the use of alcohol while being treated with these medications.
Call your doctor immediately if you have:
- fever
- chills
- joint pain or swelling
- unusual bleeding or bruising
- skin rash
- itching
- loss of appetite
- fatigue
- nausea
- vomiting
- abdominal pain
- dark urine
- pale stools
- and/or yellowing of the skin or eyes
These may be signs and symptoms of liver damage.
Talk to your doctor or pharmacist 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.
Moderate:
pseudoephedrine Caffeine
Applies to: Theraflu Flu Cold & Cough (acetaminophen / dextromethorphan / pseudoephedrine)
Both pseudoephedrine and caffeine can increase blood pressure and heart rate, and combining them may enhance these effects.
Talk to your doctor before using these medications, especially if you have a history of high blood pressure or heart disease. You may need a dose adjustment or more frequent monitoring by your doctor to safely use both medications.
Contact your doctor if your condition changes or you experience increased side effects.
It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.
Disease interactions
18 potential interactions Applies to: 15 conditions, including Benign Prostatic Hyperplasia, Hyperthyroidism, Diabetes Mellitus, Liver Disease, and Dehydration.
Alcoholism
Major:
Theraflu Flu Cold & Cough
The acetaminophen in Theraflu Flu Cold & Cough has a major potential interaction with Alcoholism.
Chronic alcohol abusers may be at increased risk of hepatotoxicity during treatment with acetaminophen (APAP). Severe liver injury, including cases of acute liver failure resulting in liver transplant and death, has been reported in patients using acetaminophen. Therapy with acetaminophen should be administered cautiously, if at all, in patients who consume three or more alcoholic drinks a day. In general, patients should avoid drinking alcohol while taking acetaminophen-containing medications. Patients should be warned not to exceed the maximum recommended total daily dosage of acetaminophen (4 g/day in adults and children 12 years of age or older), and to read all prescription and over-the-counter medication labels to ensure they are not taking multiple acetaminophen-containing products, or check with a healthcare professional if they are unsure. They should also be advised to seek medical attention if they experience signs and symptoms of liver injury such as fever, rash, anorexia, nausea, vomiting, fatigue, right upper quadrant pain, dark urine, and jaundice.
Benign Prostatic Hyperplasia
Moderate:
Theraflu Flu Cold & Cough
The pseudoephedrine in Theraflu Flu Cold & Cough 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:
Theraflu Flu Cold & Cough
The pseudoephedrine in Theraflu Flu Cold & Cough 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.
Cerebrovascular Insufficiency
Major:
Theraflu Flu Cold & Cough
The pseudoephedrine in Theraflu Flu Cold & Cough 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.
Dehydration
Major:
Theraflu Flu Cold & Cough
The acetaminophen in Theraflu Flu Cold & Cough has a major potential interaction with Dehydration.
Acetaminophen is contraindicated in patients with severe hepatic impairment or severe active liver disease. Patients with hepatic impairment may be at increased risk of toxicity. Severe liver injury, including cases of acute liver failure and death, have been reported in patients using this drug. Clinical monitoring of hepatic function is recommended. Caution is advised if using acetaminophen in patients with chronic malnutrition or severe hypovolemia. Instruct patients to avoid drinking alcohol while taking acetaminophen-containing medications. Patients should be warned not to exceed the maximum recommended total daily dosage of acetaminophen (4 g/day in adults and children 12 years of age or older), and to read all prescription and over-the-counter medication labels to ensure they are not taking multiple acetaminophen-containing products, or check with a healthcare professional if they are unsure.
Diabetes Mellitus
Moderate:
Theraflu Flu Cold & Cough
The pseudoephedrine in Theraflu Flu Cold & Cough 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.
Gastrointestinal Obstruction
Moderate:
Theraflu Flu Cold & Cough
The pseudoephedrine in Theraflu Flu Cold & Cough has a moderate potential interaction with Gastrointestinal Obstruction.
The extended-release formulation of pseudoephedrine (Sudafed 24 Hour) contains a non-deformable material. There have been rare reports of obstructive symptoms in patients with known strictures following the ingestion of similar sustained-release products. Therapy with the extended-release formulation of pseudoephedrine should be administered cautiously in patients with preexisting severe gastrointestinal narrowing or obstruction, whether pathologic or iatrogenic.
Glaucoma/Intraocular Hypertension
Moderate:
Theraflu Flu Cold & Cough
The pseudoephedrine in Theraflu Flu Cold & Cough 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.
Hyperthyroidism
Major:
Theraflu Flu Cold & Cough
The pseudoephedrine in Theraflu Flu Cold & Cough 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.
Liver Disease
Major:
naltrexone
Naltrexone has a major potential interaction with Liver Disease.
The use of naltrexone is contraindicated in patients with active hepatitis or hepatic failure. Naltrexone has caused direct hepatocellular injury when administered at doses less than or equal to 5 times the recommended once daily 50 mg dose. Therapy with naltrexone should be administered cautiously in patients with active hepatic disease. Clinical monitoring of transaminase levels prior to and during naltrexone therapy is recommended.
Major:
Theraflu Flu Cold & Cough
The acetaminophen in Theraflu Flu Cold & Cough has a major potential interaction with Liver Disease.
Acetaminophen is contraindicated in patients with severe hepatic impairment or severe active liver disease. Patients with hepatic impairment may be at increased risk of toxicity. Severe liver injury, including cases of acute liver failure and death, have been reported in patients using this drug. Clinical monitoring of hepatic function is recommended. Caution is advised if using acetaminophen in patients with chronic malnutrition or severe hypovolemia. Instruct patients to avoid drinking alcohol while taking acetaminophen-containing medications. Patients should be warned not to exceed the maximum recommended total daily dosage of acetaminophen (4 g/day in adults and children 12 years of age or older), and to read all prescription and over-the-counter medication labels to ensure they are not taking multiple acetaminophen-containing products, or check with a healthcare professional if they are unsure.
Moderate:
naltrexone
Naltrexone has a moderate potential interaction with Liver Disease.
Opiate antagonists are metabolized by the liver (naltrexone to an active metabolite) and eliminated by the kidney. Hepatic and renal impairment may reduce the metabolism and clearance of opiate antagonists. Dosage adjustment for single dose administration is not necessary, however, repeated doses in patients with hepatic and/or renal dysfunction may require adjustment.
Malnourishment
Major:
Theraflu Flu Cold & Cough
The acetaminophen in Theraflu Flu Cold & Cough has a major potential interaction with Malnourishment.
Acetaminophen is contraindicated in patients with severe hepatic impairment or severe active liver disease. Patients with hepatic impairment may be at increased risk of toxicity. Severe liver injury, including cases of acute liver failure and death, have been reported in patients using this drug. Clinical monitoring of hepatic function is recommended. Caution is advised if using acetaminophen in patients with chronic malnutrition or severe hypovolemia. Instruct patients to avoid drinking alcohol while taking acetaminophen-containing medications. Patients should be warned not to exceed the maximum recommended total daily dosage of acetaminophen (4 g/day in adults and children 12 years of age or older), and to read all prescription and over-the-counter medication labels to ensure they are not taking multiple acetaminophen-containing products, or check with a healthcare professional if they are unsure.
Phenylketonuria
Moderate:
Theraflu Flu Cold & Cough
The pseudoephedrine in Theraflu Flu Cold & Cough has a moderate potential interaction with Phenylketonuria.
Chewable products frequently may contain aspartame, which is metabolized in the gastrointestinal tract to phenylalanine. Sudafed (brand of pseudoephedrine) chewable 15 mg tablets provide the equivalent of 0.78 mg of phenylalanine per each tablet. The aspartame/phenylalanine content should be considered when this and similar products are used in patients who must restrict their intake of phenylalanine (i.e. phenylketonurics).
Moderate:
Theraflu Flu Cold & Cough
The acetaminophen in Theraflu Flu Cold & Cough has a moderate potential interaction with Phenylketonuria.
Several oral acetaminophen and acetaminophen-combination products, particularly flavored chewable tablets, contain the artificial sweetener, aspartame (NutraSweet). Aspartame is converted to phenylalanine in the gastrointestinal tract following ingestion. Chewable and effervescent formulations of acetaminophen products may also contain phenylalanine. The aspartame/phenylalanine content should be considered when these products are used in patients who must restrict their intake of phenylalanine (i.e. phenylketonurics).
Pheochromocytoma
Major:
Theraflu Flu Cold & Cough
The pseudoephedrine in Theraflu Flu Cold & Cough 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:
Theraflu Flu Cold & Cough
The pseudoephedrine in Theraflu Flu Cold & Cough 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
Moderate:
naltrexone
Naltrexone has a moderate potential interaction with Renal Dysfunction.
Opiate antagonists are metabolized by the liver (naltrexone to an active metabolite) and eliminated by the kidney. Hepatic and renal impairment may reduce the metabolism and clearance of opiate antagonists. Dosage adjustment for single dose administration is not necessary, however, repeated doses in patients with hepatic and/or renal dysfunction may require adjustment.
More resources
naltrexone
A total of 368 drugs are known to interact with naltrexone.
- Naltrexone is in the following drug classes: antidotes, drugs used in alcohol dependence.
-
Naltrexone is used to treat the following conditions:
- Alcohol Use Disorder
- Fibromyalgia (off-label)
- Opioid Use Disorder
- Smoking Cessation (off-label)
- Trichotillomania (off-label)
Theraflu Flu Cold & Cough
A total of 962 drugs are known to interact with Theraflu Flu Cold & Cough.
- Theraflu flu cold & cough is in the drug class upper respiratory combinations.
- Theraflu flu cold & cough is used to treat Cold Symptoms.
Drug Interaction Classification
| Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit. | |
| Moderately clinically significant. Usually avoid combinations; use it only under special circumstances. | |
| Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan. | |
| No interaction information available. |
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.