Drugs & Vitamins

Active Ingredients: Acetaminophen and Pseudoephedrine
Other Names: 666 Cold Caplet, Allerest Non-Drowsy Caplet, Dristan Cold Non-Drowsy Caplet, Ornex
Drug Class: Miscellaneous Analgesics and Antipyretics
Rx Status: Available over-the-counter (OTC)
Generic Available: Yes
Product Images & Descriptions:

What is/are 666 Cold Caplet? (Back to top)
ACETAMINOPHEN; PSEUDOEPHEDRINE is a combination of a pain-reliever and a decongestant. It is used to treat symptoms of the common cold and other sinus congestion with pain or fever. This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.

What should I tell my health care providers before I take this medicine? (Back to top)
They need to know if you have any of these conditions:

• diabetes
• glaucoma
• heart disease
• high blood pressure
• if you frequently drink alcohol containing drinks
• kidney disease
• liver disease
• prostate trouble
• taken an MAOI like Carbex, Eldepryl, Marplan, Nardil, or Parnate in last 14 days
• thyroid disease
• trouble passing urine
• an unusual or allergic reaction to acetaminophen, pseudoephedrine, other medicines, foods, dyes, or preservatives
• pregnant or trying to get pregnant
• breast-feeding

How should I use this medicine? (Back to top)
Take this medicine by mouth with a glass of water. Follow the directions on the package or prescription label. Do not chew, crush, or cut. Take your medicine at regular intervals. Do not take your medicine more often than directed.

Talk to your pediatrician regarding the use of this medicine in children. While this drug may be prescribed for children as young as 12 years of age for selected conditions, precautions do apply.

Patients over 65 years old may have a stronger reaction and need a smaller dose.

Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.

Note: This medicine is only for you. Do not share this medicine with others.

What if I miss a dose? (Back to top)
If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.

What may interact with this medicine? (Back to top)
Do not take this medicine with any of the following:

• bromocriptine
• ergot alkaloids like dihydroergotamine, ergonovine, ergotamine, methylergonovine
• MAOIs like Carbex, Eldepryl, Marplan, Nardil, and Parnate
• stimulant medicines for attention disorders, weight loss, or to stay awake

• acetaminophen
• alcohol
• atropine
• bretylium
• caffeine
• digoxin
• isoniazid
• linezolid
• mecamylamine
• medicines for blood pressure
• medicines for depression, anxiety, or psychotic disturbances
• medicines for enlarged prostate
• medicines for sleep
• other medicines for cold, cough or allergy
• procarbazine
• reserpine
• St. John's Wort

This list may not describe all possible interactions. Give your health care providers a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.

What side effects may I notice from this medicine? (Back to top)
Side effects that you should report to your doctor or health care professional as soon as possible:

• allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
• bloody or tarry stool
• breathing problems
• chest pain
• confusion, dizzy, nervous
• fever, chills, or sore throat
• high blood pressure
• trouble passing urine or change in the amount of urine
• trouble sleeping
• stomach cramps and pain
• tremors
• unusual bleeding or bruising, pinpoint red spots on the skin
• unusually weak or tired
• vomiting
• yellowing of the skin or eyes

• headache
• loss of appetite
• nausea
• restless

This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

What should I watch for while using this medicine? (Back to top)
Tell your doctor or healthcare professional if your symptoms do not start to get better or if they get worse. Check with your doctor if you have a fever for more than 3 days or if your congestion lasts more than 7 days. Get medical help if you have a sore throat for more than 2 days or if you have a sore throat with fever, headache, rash, swelling, nausea, or vomiting.

If you have difficulty sleeping at night while using this medicine, take your last dose a few hours before bedtime. If nervousness, dizziness, or sleeplessness occur, stop using and consult a health care professional.

You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medicine affects you. Do not stand or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells. Alcohol may interfere with the effect of this medicine. Avoid alcoholic drinks.

Where should I keep this medicine? (Back to top)
Keep out of the reach of children.

Store at room temperature between 15 and 25 degrees C (59 and 77 degrees F). Protect from heat and moisture. Throw away any unused medicine after the expiration date.

NOTE: This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider.

Last Updated:March 10, 2008

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