Generic name: Brompheniramine, dextromethorphan, and pseudoephedrine
Pregnancy & Lactation: Risk data not available
What is Myphetane DX?
Brompheniramine is an antihistamine. Dextromethorphan is a cough suppressant. Pseudoephedrine is a decongestant.
Brompheniramine, dextromethorphan, and pseudoephedrine is a combination medicine used to treat cough, runny or stuffy nose, sneezing, and watery eyes caused by allergies or the common cold.
Brompheniramine, dextromethorphan, and pseudoephedrine may also be used for purposes not listed in this medication guide.
Warnings
You should not use this medicine if you are allergic to it brompheniramine, dextromethorphan, or pseudoephedrine, or if you have:
Tell your doctor if you are pregnant.
Do not breastfeed.
- severe high blood pressure; or
- severe coronary artery disease (clogged arteries).
- asthma or COPD (chronic obstructive pulmonary disease);
- a cough with mucus, or a cough caused by smoking, asthma, or emphysema;
- a blockage in your digestive tract (stomach or intestines);
- a bladder obstruction or other urination problems;
- high blood pressure, heart disease;
- glaucoma;
- diabetes; or
- overactive thyroid.
Do not use brompheniramine, dextromethorphan, and pseudoephedrine if you have used an MAO inhibitor in the past 14 days. A dangerous drug interaction could occur. MAO inhibitors include isocarboxazid, linezolid, methylene blue injection, phenelzine, and tranylcypromine.
Tell your doctor if you have ever had:
How should I use Myphetane DX
Use Myphetane DX (Oral) exactly as directed on the label, or as prescribed by your doctor. Do not use in larger or smaller amounts or for longer than recommended.
Follow all directions on your prescription label and read all medication guides or instruction sheets. Use the medicine exactly as directed.
Measure with the supplied measuring device (not a kitchen spoon). liquid medicine
If you need surgery or medical tests, tell the doctor ahead of time if you have taken this medicine within the past few days.
Follow all directions when giving this medicine to a child. Misuse of this medicine may cause death in very young children. Do not use the medicine to make a child sleepy.
Call your doctor if your symptoms do not improve after 7 days, or if you have a fever, rash, or headaches.
Store tightly closed at room temperature, away from moisture and heat.
This medicine is used when needed. If you are on a dosing schedule, skip any missed dose. use two doses at one time. Do not
Do not take more than 6 doses in 24 hours.
Myphetane DX side effects
Get emergency medical help if you have : hives; difficult breathing; swelling of your face, lips, tongue, or throat. signs of an allergic reaction
Stop using this medicine and call your doctor at once if you have:
- hallucinations;
- a seizure;
- painful or difficult urination;
- a light-headed feeling, like you might pass out;
- fast or pounding heartbeats;
- pale skin, weakness, easy bruising or bleeding, fever, chills, body aches; or
- severe headache, blurred vision, pounding in your neck or ears.
- dizziness, drowsiness;
- coughing up thick mucus;
- feeling restless or excited (especially in children); or
- dry mouth, nose, or throat.
Common side effects may include:
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.
What other drugs will affect Myphetane DX?
Ask a doctor or pharmacist before taking other cough or cold medicines that may contain similar ingredients.
Avoid becoming overheated or dehydrated during exercise and in hot weather. This medicine can decrease sweating and you may be more prone to heat stroke.
Avoid driving or hazardous activity until you know how this medicine will affect you. Your reactions could be impaired.
Drinking alcohol with this medicine can cause side effects.