acetaminophen, butalbital, caffeine, and cod... Health Article

• shallow breathing, slow heart rate;

• fast or pounding heart rate, feeling short of breath;

• feeling light-headed, fainting;

• confusion, unusual thoughts or behavior;

• muscle twitching;

• easy bruising or bleeding; or

• nausea, stomach pain, loss of appetite, itching, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes).

Less serious side effects include:

• feeling dizzy or drowsy, shaky or agitated;

• mild nausea, vomiting, upset stomach, constipation, diarrhea;

• increased appetite;

• mood changes, sleep problems (insomnia);

• sweating, urinating more than usual;

• blurred vision; or

• dry mouth.

Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.

What other drugs will affect acetaminophen, butalbital, caffeine, and codeine?

Before taking this medication, tell your doctor if you are using any of the following drugs:

• glycopyrrolate (Robinul);

• mepenzolate (Cantil);

• ciprofloxacin (Cipro);

• atropine (Donnatal, and others), benztropine (Cogentin), dimenhydrinate (Dramamine), methscopolamine (Pamine), or scopolamine (Transderm-Scop);

• bladder or urinary medications such as darifenacin (Enablex), oxybutynin (Ditropan, Oxytrol), tolterodine (Detrol), or solifenacin (Vesicare);

• a bronchodilator such as ipratropium (Atrovent) or tiotropium (Spiriva);

• irritable bowel medications such as dicyclomine (Bentyl) or hyoscyamine (Anaspaz, Cystospaz, and others); or

• an MAO inhibitor such as isocarboxazid (Marplan), phenelzine (Nardil), rasagiline (Azilect), selegiline (Eldepryl, Emsam), or tranylcypromine (Parnate).

This list is not complete and there may be other drugs that can interact with acetaminophen, butalbital, caffeine, and codeine. 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.

Where can I get more information?

Your pharmacist can provide more information about acetaminophen, butalbital, caffeine, and codeine.

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.