What are the possible side effects of acetaminophen and propoxyphene (Balacet, Darvocet A500, Darvocet-N 100, Darvocet-N 50, Propacet 100)?
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.
Call your doctor at once if you have a serious side effect such as:
- shallow breathing, slow heartbeat, feeling like you might pass out;
- chest pain, feeling short of breath;
- confusion, unusual thoughts or behavior;
- seizure (convulsions); or
- nausea, stomach pain, loss of appetite, itching, dark urine,...
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What are the precautions when taking propoxyphene napsylate and acetaminophen (Darvocet-N)?
See also Warning section.
Before taking propoxyphene with acetaminophen, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: brain disorders (such as head injury, tumor, seizures), breathing problems (such as asthma, sleep apnea, chronic obstructive pulmonary disease-COPD), kidney disease, liver disease, mental/mood disorders (such as confusion, depression, thoughts of suicide), personal or family history of regular use/abuse of drugs/alcohol, stomach/intestinal problems (such as blockage,...
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