Alahist DM

Name: Alahist DM

What do I need to tell my doctor BEFORE I take Alahist DM?

  • If you have an allergy to Alahist DM (brompheniramine, dextromethorphan, and phenylephrine) or any part of Alahist DM (brompheniramine, dextromethorphan, and phenylephrine).
  • If you are allergic to any drugs like this one, any other drugs, foods, or other substances. Tell your doctor about the allergy and what signs you had, like rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
  • If you have taken certain drugs used for low mood (depression) like isocarboxazid, phenelzine, or tranylcypromine or drugs used for Parkinson's disease like selegiline or rasagiline in the last 14 days. Taking Alahist DM (brompheniramine, dextromethorphan, and phenylephrine) within 14 days of those drugs can cause very bad high blood pressure.
  • If you are taking any of these drugs: Linezolid or methylene blue.
  • If you have a cough with a lot of mucous.
  • If you have a long-term cough caused by smoking or being around smoke, or lung problems like asthma or emphysema.

This is not a list of all drugs or health problems that interact with Alahist DM (brompheniramine, dextromethorphan, and phenylephrine).

Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take Alahist DM (brompheniramine, dextromethorphan, and phenylephrine) with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.

What are some things I need to know or do while I take Alahist DM?

  • Tell all of your health care providers that you take Alahist DM (brompheniramine, dextromethorphan, and phenylephrine). This includes your doctors, nurses, pharmacists, and dentists.
  • Do not take more than what your doctor told you to take. Taking more than you are told may raise your chance of very bad side effects.
  • Do not take Alahist DM (brompheniramine, dextromethorphan, and phenylephrine) for longer than you were told by your doctor.
  • Avoid driving and doing other tasks or actions that call for you to be alert until you see how Alahist DM (brompheniramine, dextromethorphan, and phenylephrine) affects you.
  • Avoid drinking alcohol while taking Alahist DM (brompheniramine, dextromethorphan, and phenylephrine).
  • Talk with your doctor before you use other drugs and natural products that slow your actions.
  • Use with care in children. Talk with the doctor.
  • Do not use to make a child sleepy. Talk with the doctor.
  • Different brands of Alahist DM (brompheniramine, dextromethorphan, and phenylephrine) may be for use in different ages of children. Talk with the doctor before giving Alahist DM (brompheniramine, dextromethorphan, and phenylephrine) to a child.
  • Tell your doctor if you are pregnant or plan on getting pregnant. You will need to talk about the benefits and risks of using Alahist DM (brompheniramine, dextromethorphan, and phenylephrine) while you are pregnant.
  • Tell your doctor if you are breast-feeding. You will need to talk about any risks to your baby.

What are some other side effects of Alahist DM?

All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:

  • Dizziness.
  • Feeling nervous and excitable.
  • Not able to sleep.
  • Feeling sleepy.

These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.

You may report side effects to the FDA at 1-800-FDA-1088. You may also report side effects at http://www.fda.gov/medwatch.

If OVERDOSE is suspected

If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.

How do I store and/or throw out Alahist DM?

  • Store at room temperature.
  • Store in a dry place. Do not store in a bathroom.
  • Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
  • Throw away unused or expired drugs. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs. There may be drug take-back programs in your area.
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