Antihistamine/antitussive (By mouth)
Treats runny nose, sneezing, watery eyes, and cough caused by the common cold or flu.
Biclora, Children's Robitussin Cough & Cold Long Acting, Children's Triaminic Cough & Runny Nose, Coricidin HBP Cough & Cold, Cough & Cold, Dextromethorphan/Promethazine, Endacof-C, Good Neighbor Pharmacy Night Time Cough, Maxichlor DM, Nighttime Cough, Poly-Hist PD, Prohist CF, Quality Choice Nighttime Cough, Respi-TANN, Rite Aid Nighttime Cough Relief
When This Medicine Should Not Be Used
How to Use This Medicine
Capsule, Chewable Tablet, Liquid, Tablet
- Your doctor will tell you how much medicine to use. Do not use more than directed.
- Follow the instructions on the medicine label if you are using this medicine without a prescription.
- Measure the oral liquid medicine with a marked measuring spoon, oral syringe, or medicine cup.
If a dose is missed:
- Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.
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. Do not freeze.
- Ask your pharmacist, doctor, or health caregiver about the best way to dispose of any outdated medicine or medicine no longer needed.
- Keep all medicine out of the reach of children. Never share your medicine with anyone.
Drugs and Foods to Avoid
Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.
- Do not use any other medicines that make you sleepy. These include sleeping pills, narcotic pain relievers, and sedatives.
Warnings While Using This Medicine
- If you are pregnant or breastfeeding, talk to your doctor before using this medicine.
- Make sure your doctor knows if you have heart disease, high blood pressure, diabetes, glaucoma, an enlarged prostate, seizure disorder, asthma, emphysema, or an overactive thyroid.
- This medicine might contain phenylalanine (aspartame). This is only a concern if you have a disorder called phenylketonuria (a problem with amino acids). Talk to your doctor before using this medicine.
- This medicine may make you drowsy. Avoid driving, using machines, or doing anything else that could be dangerous if you are not alert.
- Some liquid cough medicines contain alcohol.
- Call your doctor if your symptoms get worse after 2 or 3 days of treatment, or if they do not improve after 7 days. Also call if you develop a severe sore throat or fever; or cough up thick yellow mucus.
- Children may be more sensitive to this medicine than adults, especially if they take too much medicine. Always read medicine labels carefully and give your child the right amount. Ask your pharmacist if you are not sure how much medicine to use.
Possible Side Effects While Using This Medicine
Call your doctor right away if you notice any of these side effects:
- Fast, slow, or irregular heartbeat
- Trouble breathing
- Extreme weakness
- Skin rash, hives, or itching
If you notice these less serious side effects, talk with your doctor:
- Drowsiness or dizziness
- Dry mouth, nose, or throat
- Sunburn (use a sunscreen)
- Trouble urinating
- Thickened mucus
If you notice other side effects that you think are caused by this medicine, tell your doctor
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088
- Last reviewed on 4/8/2016
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