Comtrex Cold and Flu Maximum Strength Tablet

Generic name: Acetaminophen, Chlorpheniramine, Dextromethorphan, And Pseudoephedrine
Drug class: Upper respiratory combinations

Usage of Comtrex Cold and Flu Maximum Strength Tablet

Acetaminophen is a pain reliever and fever reducer. Chlorpheniramine is an antihistamine. Dextromethorphan is a cough suppressant. Pseudoephedrine is a decongestant.

Comtrex Cold and Flu Maximum Strength Tablet is a combination medicine used to treat headache, fever, body aches, cough, sore throat, runny or stuffy nose, sneezing, or sinus pressure caused by the flu or common cold.

Comtrex Cold and Flu Maximum Strength Tablet may also be used for purposes not listed in this medication guide.

Comtrex Cold and Flu Maximum Strength Tablet side effects

Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

In rare cases, acetaminophen may cause a severe skin reaction that can be fatal. This could occur even if you have taken acetaminophen in the past and had no reaction. Stop taking this medicine and call your doctor right away if you have skin redness or a rash that spreads and causes blistering and peeling. If you have this type of reaction, you should never again take any medicine that contains acetaminophen.

This medicine may cause serious side effects. Stop using this medicine and call your doctor at once if you have:

any new or worsening symptoms;

severe drowsiness;

fever for longer than 3 days;

redness, swelling, or rash;

ongoing headache; or

pain, cough, or sinus congestion lasting more than 7 days;

Some side effects may be more likely in older adults.

Common side effects of Comtrex Cold and Flu Maximum Strength Tablet may include:

dizziness, drowsiness;

dry mouth, nose, or throat;

blurred vision;

constipation;

feeling restless or excited (especially in children); or

sleep problems (insomnia).

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Before taking Comtrex Cold and Flu Maximum Strength Tablet

Do not use this medicine if you have taken an MAO inhibitor in the past 14 days. A dangerous drug interaction could occur. MAO inhibitors include isocarboxazid, linezolid, phenelzine, rasagiline, selegiline, and tranylcypromine.

You should not use this medicine if you are allergic to acetaminophen, chlorpheniramine, dextromethorphan, or pseudoephedrine.

Ask a doctor or pharmacist if this medicine is safe to use if you have:

liver disease, cirrhosis, alcoholism, or more than 3 alcoholic beverages per day;

heart problems, high blood pressure;

diabetes;

glaucoma;

an enlarged prostate or urination problems;

a thyroid disorder; or

cough with mucus, or cough caused by smoking, asthma, or emphysema.

Ask a doctor before using this medicine if you are pregnant or breastfeeding.

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How to use Comtrex Cold and Flu Maximum Strength Tablet

Use exactly as directed on the label, or as prescribed by your doctor. An acetaminophen overdose can damage your liver or cause death. Cold or cough medicine is only for short-term use until your symptoms clear up.

Always follow directions on the medicine label about giving cough or cold medicine to a child. Do not use the medicine only to make a child sleepy. Death can occur from the misuse of cough or cold medicines in very young children.

You must chew the chewable tablet before you swallow it.

Measure liquid medicine carefully. Use the dosing syringe provided, or use a medicine dose-measuring device (not a kitchen spoon).

Dissolve one packet of the powder in at least 4 ounces of water. Stir this mixture and drink all of it right away

Call your doctor if you have a sore throat for more than 2 days, especially if you also have fever, headache, rash, nausea, or vomiting.

If you need surgery or medical tests, tell the surgeon or doctor if you have taken this medicine within the past few days.

Store at room temperature away from moisture and heat. Do not allow liquid medicine to freeze.

Warnings

Do not use this medicine if you have used an MAO inhibitor in the past 14 days, such as isocarboxazid, linezolid, methylene blue injection, phenelzine, rasagiline, selegiline, or tranylcypromine.

An acetaminophen overdose can damage your liver or cause death. Call your doctor at once if you have stomach pain (upper right side), loss of appetite, tiredness, itching, dark urine, clay-colored stools, or yellowing of your skin or eyes.

Stop taking this medicine and call your doctor right away if you have skin redness or a rash that spreads and causes blistering and peeling.

Do not use this medicine only to make a child sleepy.

What other drugs will affect Comtrex Cold and Flu Maximum Strength Tablet

Avoid using this medicine with other drugs that cause drowsiness or slow your breathing (such as opioid medicine, a muscle relaxer, or medicine for anxiety or seizures). Ask a doctor or pharmacist before using any other medication, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible drug interactions are listed in this medication guide.

Disclaimer

Every effort has been made to ensure that the information provided by Drugslib.com is accurate, up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. Drugslib.com information has been compiled for use by healthcare practitioners and consumers in the United States and therefore Drugslib.com does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Drugslib.com's drug information does not endorse drugs, diagnose patients or recommend therapy. Drugslib.com's drug information is an informational resource designed to assist licensed healthcare practitioners in caring for their patients and/or to serve consumers viewing this service as a supplement to, and not a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners.

The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. Drugslib.com does not assume any responsibility for any aspect of healthcare administered with the aid of information Drugslib.com provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.