Contac-D

Name: Contac-D

What do I need to tell my doctor BEFORE I take Contac-D?

  • If you have an allergy to phenylephrine or any other part of Contac-D (phenylephrine tablets).
  • 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 high blood pressure.
  • 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 this medicine within 14 days of those drugs can cause very bad high blood pressure.

This is not a list of all drugs or health problems that interact with Contac-D.

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 this medicine 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 Contac-D?

  • Tell all of your health care providers that you take Contac-D. 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 this medicine for longer than you were told by your doctor.
  • Different brands of Contac-D may be for use in different ages of children. Talk with the doctor before giving this medicine 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 Contac-D while you are pregnant.
  • Tell your doctor if you are breast-feeding. You will need to talk about any risks to your baby.

For the Consumer

Applies to phenylephrine: intravenous solution

Along with its needed effects, phenylephrine (the active ingredient contained in Contac-D) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor or nurse immediately if any of the following side effects occur while taking phenylephrine:

Incidence not known
  • Blurred vision
  • chest pain or discomfort
  • difficult or labored breathing
  • dizziness
  • fainting
  • fast, slow, or irregular heartbeat
  • headache
  • nausea or vomiting
  • nervousness
  • pain in the shoulders, arms, jaw, or neck
  • pounding in the ears
  • sweating
  • tightness in the chest
  • unusual tiredness

Get emergency help immediately if any of the following symptoms of overdose occur while taking phenylephrine:

Symptoms of overdose
  • Feeling of fullness in the head
  • pounding or rapid pulse
  • tingling in the arms or legs
  • vomiting

Some side effects of phenylephrine may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

Incidence not known
  • Heartburn
  • itching skin
  • nausea
  • pain in the neck
  • pain or discomfort in chest, upper stomach, or throat

Usual Adult Dose for Shock

IM or subcutaneous: 2 to 5 mg every 1 to 2 hours as needed.

IV bolus: 0.2 mg/dose (range: 0.1 to 0.5 mg/dose) every 10 to 15 minutes as needed (initial dose should not exceed 0.5 mg)

IV infusion: 100 to 180 mcg/min initially. The usual maintenance dose is 40 to 60 mcg/min.
Alternatively, 0.5 mcg/kg/minute; titrate to desired response. Dosing ranges between 0.4 to 9.1 mcg/kg/minute have been reported.

Usual Pediatric Dose for Supraventricular Tachycardia

5 to 10 mcg/kg IV over 30 seconds.

Renal Dose Adjustments

Data not available

Liver Dose Adjustments

Data not available

Phenylephrine Pregnancy Warnings

Phenylephrine has been assigned to pregnancy category C by the FDA. Animal studies have not been reported. There are no controlled data in human pregnancy. Phenylephrine is only recommended for use during pregnancy when benefit outweighs risk.

Phenylephrine Breastfeeding Warnings

Small amounts of phenylephrine are secreted in breast milk. The manufacturer recommends that due to the potential for serious adverse reactions in nursing infants, a decision should be made to discontinue nursing or discontinue the drug, taking into account the importance of the drug to the mother.

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