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AccuHist LA

Generic Name: atropine/chlorpheniramine/hyoscyamine/phenylephrine/scopolamin (AT row peen, klor fen EER uh meen, hy o SYuh meen, fen il EFF rin, sko PAW luh meen)
Brand Name: AccuHist LA

What is atropine, chlorpheniramine, hyoscyamine, phenylephrine, and scopolamine?

Atropine, hyoscyamine, and scopolamine decrease the amount of nasal and respiratory secretions (release of fluids) in the body that may cause sneezing, runny nose, and postnasal drip.

Chlorpheniramine is an antihistamine. It works in your body against a natural chemical called histamine. Chlorpheniramine prevents sneezing; itchy, watery eyes and nose; and other symptoms of allergies and hay fever.

Phenylephrine is a decongestant. It works by shrinking blood vessels in the body, reducing blood flow and allowing nasal passages to open up.

Atropine, chlorpheniramine, hyoscyamine, phenylephrine, and scopolamine is used to treat symptoms of allergies, hay fever, and the common cold.

This medication may also be used for other purposes not listed in this medication guide.

What is the most important information I should know about atropine, chlorpheniramine, hyoscyamine, phenylephrine, and scopolamine?

Do not take atropine, chlorpheniramine, hyoscyamine, phenylephrine, and scopolamine if you have taken selegiline (Eldepryl, Carbex) or a monoamine oxidase inhibitor (MAOI) such as isocarboxazid (Marplan), phenelzine (Nardil), or tranylcypromine (Parnate) in the last 14 days. A dangerous drug interaction could occur, leading to serious side effects.

Avoid becoming overheated or dehydrated during exercise and in hot weather. Atropine, chlorpheniramine, hyoscyamine, phenylephrine, and scopolamine can decrease perspiration and you may be more prone to heat stroke.

Slideshow: Top Prevention Tips: Springtime Allergies

Avoid drinking alcohol because it may increase drowsiness and dizziness while taking atropine, chlorpheniramine, hyoscyamine, phenylephrine, and scopolamine.

Tell your doctor if you regularly use other medicines that make you sleepy (such as cold or allergy medicine, narcotic pain medicine, sleeping pills, muscle relaxers, and medicine for seizures, depression, or anxiety). They can add to sleepiness caused by chlorpheniramine, hyoscyamine, or scopolamine.

This medication can cause side effects that may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be awake and alert.

If your symptoms do not improve, if they get worse and you also have a fever, talk to your doctor.

What should I discuss with my healthcare provider before taking atropine, chlorpheniramine, hyoscyamine, phenylephrine, and scopolamine?

Do not take atropine, chlorpheniramine, hyoscyamine, phenylephrine, and scopolamine if you have taken selegiline (Eldepryl, Carbex) or a monoamine oxidase inhibitor (MAOI) such as isocarboxazid (Marplan), phenelzine (Nardil), or tranylcypromine (Parnate) in the last 14 days. A dangerous drug interaction could occur, leading to serious side effects.

Before taking this medication, tell your doctor if you have:

  • epilepsy or another seizure disorder;

  • circulation problems or Raynaud's syndrome;

  • a thyroid disorder;

  • asthma, emphysema, or chronic obstructive pulmonary disease (COPD);

  • diabetes;

  • glaucoma;

  • an ulcer or an obstruction in the stomach;

  • bladder problems or difficulty urinating;

  • an enlarged prostate;

  • high blood pressure, irregular heartbeats, or any type of heart disease;

  • kidney disease; or

  • liver disease.

If you have any of the conditions listed above, you may not be able to take this medication, or you may need a dose adjustment or special tests during treatment.

FDA pregnancy category C. This medication may be harmful to an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant during treatment.

This medication can pass into breast milk and may be harmful to a nursing baby. Do not take this medication without telling your doctor if you are breast-feeding a baby.

Older adults may be more likely to have side effects from this medication.

Do not give this medicine to a child without a doctor's advice. Children are more sensitive to the effects of medicines and may have unusual reactions.

How should I take atropine, chlorpheniramine, hyoscyamine, phenylephrine, and scopolamine?

Take this medication exactly as it was prescribed for you. Do not take it in larger doses or for longer than recommended by your doctor. An overdose of this medication can cause serious harm.

Take each dose with a full glass of water.

Do not crush, chew, or break an extended-release tablet. Swallow the pill whole. It is specially made to release medicine slowly in the body. Breaking the pill would cause too much of the drug to be released at one time.

If your symptoms do not improve, if they get worse and you also have a fever, talk to your doctor.

Store this medication at room temperature away from moisture and heat.

What happens if I miss a dose?

Take the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and take the medicine at the next regularly scheduled time. Do not take extra medicine to make up the missed dose.

What happens if I overdose?

Seek emergency medical attention if you think you have used too much of this medicine. Overdose symptoms may include a dry mouth, large pupils, flushing, seizures, nausea, and vomiting.

What should I avoid while taking atropine, chlorpheniramine, hyoscyamine, phenylephrine, and scopolamine?

Avoid becoming overheated or dehydrated during exercise and in hot weather. Atropine, chlorpheniramine, hyoscyamine, phenylephrine, and scopolamine can decrease perspiration and you may be more prone to heat stroke.

Avoid drinking alcohol because it may increase drowsiness and dizziness while taking atropine, chlorpheniramine, hyoscyamine, phenylephrine, and scopolamine.

Tell your doctor if you regularly use other medicines that make you sleepy (such as cold or allergy medicine, narcotic pain medicine, sleeping pills, muscle relaxers, and medicine for seizures, depression, or anxiety). They can add to sleepiness caused by chlorpheniramine, hyoscyamine, or scopolamine.

This medication can cause side effects that may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be awake and alert.

Atropine, chlorpheniramine, hyoscyamine, phenylephrine, and scopolamine side effects

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Less serious side effects may include:

  • dryness of the eyes, nose, and mouth;

  • blurred vision; or

  • difficulty urinating.

This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect.

See also: Side effects (in more detail)

What other drugs will affect atropine, chlorpheniramine, hyoscyamine, phenylephrine, and scopolamine?

Do not take this medication together with the following drugs:

  • a monoamine oxidase inhibitor (MAOI) taken in the past 14 days, including isocarboxazid (Marplan), phenelzine (Nardil), selegiline (Eldepryl, Carbex), or tranylcypromine (Parnate);

  • medicines that make you sleepy (such as alcohol, cold medicine, pain medication, muscle relaxants, and medicine for seizures, depression, or anxiety); or

  • other medications that also contain atropine, chlorpheniramine, hyoscyamine, phenylephrine, or scopolamine.

Check the labels of all other medications you take.

This list is not complete and there may be other drugs not listed that can affect atropine, chlorpheniramine, hyoscyamine, phenylephrine, and scopolamine. Tell your doctor about all the prescription and over-the-counter medications you use. This includes vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start using a new medication without telling your doctor.

More about AccuHist LA (atropine / chlorpheniramine / hyoscyamine / phenylephrine / scopolamine)

Related treatment guides

Where can I get more information?

  • Your pharmacist can provide more information about atropine, chlorpheniramine, hyoscyamine, phenylephrine, and scopolamine.
  • Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
  • Disclaimer: Every effort has been made to ensure that the information provided by Cerner Multum, Inc. ('Multum') is accurate, up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. Multum information has been compiled for use by healthcare practitioners and consumers in the United States and therefore Multum does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Multum's drug information does not endorse drugs, diagnose patients or recommend therapy. Multum's drug information is an informational resource designed to assist licensed healthcare practitioners in caring for their patients and/or to serve consumers viewing this service as a supplement to, and not a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners. The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. Multum does not assume any responsibility for any aspect of healthcare administered with the aid of information Multum provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.

Copyright 1996-2012 Cerner Multum, Inc. Version: 1.06. Revision Date: 2008-01-28, 3:22:35 PM.

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