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Dimetane Decongestant
Generic name: brompheniramine and phenylephrine
Brand names: Children's Cold and Allergy, Dimetapp Cold and Allergy (brompheniramine-phenylephrine), Rynex PE, Brohist D, Dimetane Decongestant, Dimetapp Cold/Allergy, Ru-Hist D
What is Dimetane Decongestant?
Dimetane Decongestant is a combination medicine that helps relieve symptoms of the common cold or seasonal allergies. These symptoms include sneezing, a runny or stuffy nose, and itchy, watery eyes.
Dimetane Decongestant may also be used for reasons that are not mentioned in this medication guide.
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How should I take Dimetane Decongestant?
Use exactly as directed on the label, or as prescribed by your doctor.
You should not use antihistamine medication to make a child sleepy.
Measure liquid medicine with the supplied measuring device (not a kitchen spoon).
Store at room temperature away from moisture and heat.
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Warnings
Follow all instructions on the label and package. Use it exactly as directed.
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Before taking this medicine
Do not use Dimetane Decongestant if you have taken an MAO inhibitor in the last 14 days. This could cause a serious drug interaction. MAO inhibitors include isocarboxazid, linezolid, phenelzine, rasagiline, selegiline, and tranylcypromine.
You should not use this medicine if you are allergic to brompheniramine or phenylephrine.
Ask a doctor or pharmacist if this medicine is safe for you if you have ever had:
- a breathing problem such as emphysema or chronic bronchitis;
- diabetes;
- high blood pressure, heart disease;
- an enlarged prostate or urination problems;
- glaucoma; or
- an overactive thyroid.
Ask a doctor before using this medicine if you are pregnant or breastfeeding.
Do not give this medicine to a child younger than 6 years without medical advice.
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Dimetane Decongestant side effects
Get emergency medical help if you have signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Dimetane Decongestant may cause serious side effects. Stop using Dimetane Decongestant and call your doctor right away if you have:
- nervousness, dizziness, or trouble sleeping;
- chest pain, fast or uneven heartbeat;
- little or no urinating;
- dangerously high blood pressure (severe headache, ringing in your ears, anxiety, shortness of breath);
- if your symptoms do not improve after 7 days of treatment, or if you have a fever; or
- if new symptoms appear.
Less serious side effects may be more likely, and you might not have any at all.
This is not a complete list of side effects, and others may happen. Call your doctor for medical advice about side effects. You can report side effects to FDA at 1 800 FDA 1088.
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What happens if I miss a dose?
Since cold medicine is taken as needed, you might not have a dosing schedule. If you are taking the medicine regularly and forget a dose, take it as soon as you remember. If it’s almost time for your next dose, skip the missed dose. Do not use extra medicine to compensate for the missed dose.
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What happens if I overdose?
Seek emergency medical help or call the Poison Help line at 1-800-222-1222.
This medication may affect your thinking or reactions. Be cautious if you drive or do anything that requires alertness.
Drinking alcohol while taking Dimetane Decongestant can lead to side effects.
Talk to a doctor or pharmacist before using any other cold, allergy, or sleep medicine. Many combination products contain brompheniramine or phenylephrine. Using certain products together can lead to taking too much of this medicine. Check the label to see if a product contains an antihistamine or decongestant.
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What other drugs will affect Dimetane Decongestant?
Using Dimetane Decongestant with other medications that cause drowsiness can increase this effect. Consult your doctor before taking opioid medication, a sleeping pill, a muscle relaxer, or medicine for anxiety or seizures.
Before using this medicine, ask a doctor or pharmacist if you are taking any other medications, including prescription and over-the-counter medicines, vitamins, and herbal products. Some medicines can lead to unwanted or harmful effects when taken together. Not all possible interactions are mentioned in this medication guide.
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Content is provided for education and is not medical advice. See our medical disclaimer.