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Generic name: dexchlorpheniramine and pseudoephedrine [dex-klor-fen-EER-a-meen-and-soo-doe-e-FED-rin]

Brand names: Deltuss DP, Rescon, SuTan, AllerDerm
Drug Class: Upper Respiratory Combinations

What is Rescon?

Dexchlorpheniramine reduces the effects that histamine has on the body. Histamine may cause symptoms such as sneezing, itching, and watery eyes.Pseudoephedrine works as a nasal decongestant by shrinking blood vessels. Dilated blood vessels can cause congestion in the nasal passages.Rescon is an anti-allergy medicine that treats symptoms such as sneezing and runny/stuffy noses, itchy, watery eyes, and a stuffy or runny nose.Rescon can also be used in other ways not mentioned in this guide.

Side effects of Rescon

If you experience any of the following symptoms of an allergic reaction, seek immediate medical attention: hives, difficulty breathing, swelling of the face, lips, or throat.

Rescon may cause serious side effects. Rescon should be stopped immediately, and you should consult your doctor if:

  • Chest pain, rapid pulse, or fast heart rate
  • Confusion, hallucinations, and severe nervousness are symptoms of confusion.
  • Tremor, seizure (convulsions);
  • Little or no urinating is acceptable.
  • Easy bruising, bleeding, or unusual weakness
  • Dangerously high blood pressure can cause symptoms such as a severe headache, ringing in the ears, anxiety, and shortness of breath.

Some of the common side effects associated with Rescon include:

  • Dizziness, drowsiness, blurred vision;
  • Dry mouth or nose
  • Nausea; constipation; loss of appetite
  • Memory or concentration problems;
  • Feeling restless or excited, especially in children

There may be other side effects. For medical advice on side effects, call your doctor.To report adverse effects, you can contact the FDA at 1-800-FDA-1088.


Rescon should not be used if an MAO inhibitor has been taken in the last 14 days. It is possible that a dangerous drug interaction will occur. MAO inhibitors are isocarboxazid (linezolid), phenelzine (rasagiline), selegiline (tranylcypromine), and rasagiline.

Before you take this drug

If you have taken a MAO inhibitor within the last 14 days, do not take this medication. It is possible that a dangerous drug interaction will occur. MAO inhibitors are isocarboxazid (linezolid), phenelzine (phenelzine), rasagiline (selegiline), and tranylcypromine.This medication should not be used if you have an allergy to dexchlorpheniramine or pseudoephedrine.

If you suffer from:

  • Asthma, or COPD, is coughing with mucus or coughing caused by smoking, chronic bronchitis, emphysema, or chronic bronchitis.
  • A blockage of the intestines or stomach;
  • Kidney or liver diseases
  • Heart disease or a recent cardiac attack?
  • Urination or prostate problems;
  • Glaucoma;
  • Diabetes;
  • Epilepsy
  • Pheochromocytoma
  • Overactive thyroid gland;
  • Take potassium (Cytra Epiklor, K-Phos K-Lyte Kaon Klor con Polycitra Urocit),

Rescon is not known to harm unborn babies. Do not use this medication if you are pregnant without first consulting your physician.Dexchlorpheniramine or pseudoephedrine may pass into breast milk. It is unknown if this could harm a baby who is nursing. Decongestants and antihistamines can also reduce breast milk production. Do not use this medication without consulting your doctor if you're breastfeeding a child.This medicine may have more side effects for older adults.Phenylalanine can be found in liquid cold medicines that are artificially sweetened. Check the label of your medication to determine if it contains phenylalanine if you have phenylketonuria.

How to take Rescon?

Do not exceed the recommended dosage or duration. Use only the recommended dose. Do not exceed it. Cold medicines are usually only taken for a few days until symptoms disappear.This medication should not be given to children younger than four years of age. Ask a doctor first before giving cough or cold medication to your child. Children as young as 4 years old can die from the misuse of cough and cold medicines.Do not use a regular spoon to measure liquid medicines. Use a dose-measuring cup or spoon. Ask your pharmacist if you don't have a dose-measuring device.If your symptoms don't improve within 7 days or you have a headache, a cough, or a skin rash, call your doctor.The results of a skin test for allergies may be abnormal. Inform any doctor that treats you about your antihistamine use.Tell the surgeon if you've taken cold medication in the last few days and if you need surgery.Keep away from moisture and heat at room temperature.

What happens if I miss the dose?

You may not have a schedule for taking cold medicine, as it is only taken when needed. Take the missed dose immediately if you take the medication regularly. If your next scheduled dosage is near, skip the missed dose. You should not take more medicine to compensate for a missed dose.

What happens if I overdose?

For poison assistance, call 1-800-222-1222 or get immediate medical help.

What should be avoided?

This medication can affect your ability to think or react. You should be careful when driving or doing anything else that requires you to be alert.Alcohol can enhance certain side effects from dexchlorpheniramine or pseudoephedrine.Before using any other allergy, cold, or sleep medication, consult your doctor or pharmacist. Rescon is found in many combination medications. You can get too much medication by taking certain products in combination. You can check the label of a medication to see if it contains antihistamines or decongestants.

Interaction with other drug

Before using Rescon, ask your doctor or pharmacist if you also use any other medications, such as prescription medicines and herbal remedies. When used together, some medicines can have unwanted or harmful effects. This medication guide does not list all possible interactions.This medicine can be worsened by other drugs, which make you sleepy and slow down your breathing. Before taking Rescon, consult your doctor if you are also taking a sleeping pill, narcotic pain medication, muscle relaxer, or medicine to treat anxiety, depression, or seizures.