Drugs and Supplements

Over the Counter (OTC)

Acetaminophen/Phenyltoloxamine

Acetaminophen/Phenyltoloxamine

a-seet-a-MIN-oh-fen

fen-il-tol-OX-a-meen

Indications for Use

Treats minor pain. Also treats fever and cold or flu symptoms.

Brand Name(s)

  • BeFlex
  • Staflex
  • Acuflex
  • Flextra-DS
  • Hyflex-DS
  • Rhinoflex
  • Percogesic
  • Analgesic
  • Phenylgesic
  • Relagesic
  • Rhinoflex-650
  • Novagesic
  • Genecar
  • Dologen
  • Dologesic
  • There may be other brand names for this medicine.

    When You Should Not Take the Medication

    You should not use this medicine if you have had an allergic reaction to acetaminophen or phenyltoloxamine.

    How to Use this Medicine

    Tablet

    Your doctor will tell you how much of this medicine to use and how often. Do not use more medicine or use it more often than your doctor tells you to.

    If a Dose is Missed


    If you miss a dose or forget to use your medicine, use it as soon as you can. If it is almost time for your next dose, wait until then to use the medicine and skip the missed dose. Do not use 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.

    Ask your pharmacist, doctor, or health caregiver about the best way to dispose of any leftover medicine after you have finished your treatment. You will also need to throw away old medicine after the expiration date has passed.

    Keep all medicine away from children and 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.

    Tell your doctor if you are using any medicines that make you sleepy. These include sleeping pills, cold and allergy medicine, narcotic pain relievers, and sedatives.

    Do not drink alcohol while you are using this medicine.

    Warnings While Using this Medicine


    Make sure your doctor knows if you are pregnant or breastfeeding, or if you have liver disease or kidney disease.

    This medicine may make you dizzy or drowsy. Avoid driving, using machines, or doing anything else that could be dangerous if you are not alert.

    If your symptoms do not improve or if they get worse, call your doctor.

    Possible Side Effects While Using this Medicine


    Call your doctor right away if you notice any of these side effects:
    Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing.
    Unusual bleeding, bruising, or weakness.

    If you notice these less serious side effects, talk with your doctor:
    Skin rash or itching.

    If you notice other side effects that you think are caused by this medicine, tell your doctor.