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Treats cough and congestion.

Brand Names

AccuHist PDX Syrup
Chlordex GP
Amerifed DM
Father John's Medicine Plus
Y-Cof DM
Bromhist-DM Pediatric
Pediahist DM
Histacol DM Pediatric

When You Should Not Take The Medication

You should not take this medicine if you are allergic to any of its ingredients. Talk with your doctor or pharmacist about the ingredients in the medicine you are using. You should not use this medicine if you have certain heart problems, or if you have severe high blood pressure. You should not use this medicine if you are also using an MAO inhibitor (MAOI) such as Eldepryl®, Marplan®, Nardil®, or Parnate®. You should not use this medicine if you have narrow angle glaucoma, asthma, stomach ulcers, or certain problems urinating. You should not use this medicine if you are breast feeding an infant. This medicine is not to be used in infants.

How To Store And Dispose Of This Medicine

Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep all medicine away from children and never share your medicine with anyone.

Ask your pharmacist, doctor, or health caregiver about the best way to dispose of any leftover medicine after you have finished your treatment. You will also need to throw away old medicine after the expiration date has passed.

Possible Side Effects While Using This Medicine

Call your doctor right away if you notice any of these side effects:
Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing.
Confusion, hallucinations (seeing things that are not there), seizures, or fainting.
Heartbeat that is pounding or uneven.
New or worsening fever.
Sudden or severe headache.
Trouble urinating, or feeling like you have a full bladder even after you urinate.
Unusual bleeding, bruising, or weakness.

If you notice these less serious side effects, talk with your doctor:
Anxiety, trouble sleeping, or other mood changes that are bothersome to you.
Lightheadedness, blurred vision, or eyes sensitive to light.
Cough that lasts more than one week, that comes back often, or that happens with a fever, rash, or headache.
Nausea that does not go away after you lie down.
Tremors (shaking) or problems with balance or coordination.
Vomiting, stomach upset, dry mouth, or constipation.

If you notice other side effects that you think are caused by this medicine, tell your doctor.