Along with its needing effects, a drug may cause some unwanted effects. Although serious side effects occur rarely when this drug is taken as recommended, they may be more likely to occur if:
Get emergency help immediately if any of the following symptoms of overdose occur :
For narcotic antitussive - codeine, dihydrocodeine, hydrocodone, or hydromorphone-containing
Cold, clammy skin; confusion - severe; convulsions - seizures; drowsiness or dizziness - severe; nervousness or restlessness - severe; pinpoint pupils of eyes; slow heartbeat; slow or troubled breathing; weakness - severe
For acetaminophen-containing
Diarrhea; increased sweating; loss of appetite; nausea or vomiting; stomach cramps or pain; swelling or tenderness in the upper abdomen or stomach area
For salicylate-containing
Any loss of hearing; bloody urine; confusion; convulsions - seizures; diarrhea - severe or continuing; dizziness or lightheadedness; drowsiness - severe; excitement or nervousness - severe; fast or deep breathing; fever; hallucinations - seeing, hearing, or feeling things that are not there; increased sweating; nausea or vomiting - severe or continuing; shortness of breath or troubled breathing - for salicylamide only; stomach pain - severe or continuing; uncontrollable flapping movements of the hands, especially in elderly diseaseds; unusual thirst; vision problems
For decongestant-containing
Fast, pounding, or irregular heartbeat; headache - continuing and severe; nausea or vomiting - severe; nervousness or restlessness - severe; shortness of breath or troubled breathing - severe or continuing
Always check with your family doctor as soon as possible if any of the following side effects was happen
For all combinations
Skin rash, hives anditching
For antihistamine- or anticholinergic-containing
Clumsiness or unsteadiness; convulsions - seizures; drowsiness - severe; dryness of mouth, nose, or throat - severe; flushing or redness of face; hallucinations - seeing, hearing, or feeling things that are not there; restlessness - severe; shortness of breath or troubled breathing; slow or fast heartbeat
For iodine-containing
Headache - continuing; increased watering of mouth; loss of appetite; metallic taste; skin rash, hives, or redness; sore throat; swelling of face, lips, or eyelids
For acetaminophen-containing
Unexplained sore throat and fever; unusual tiredness or weakness; yellow eyes or skin
More common side effects may occur that usually don't needed medical attention. These side effects may go away during treat as your body adjusts to the drug. However, check with your family doctor if any of the following side effects continue or are bothersome:
Constipation; decreased sweating; difficult or painful urination; dizziness or lightheadedness; drowsiness; dryness of mouth, nose, or throat; false sense of well-being; increased sensitivity of skin to sun; nausea or vomiting; nightmares; stomach pain; thickening of mucus; trouble in sleeping; unusual excitement, nervousness, restlessness, or irritability; unusual tiredness or weakness
Not all of the side effects listed above have been reported for each of these medication, but they have been reported for at least one of them. There are some similarities among these combination medication, so many of the above side effects may occur with any of these medication.
More common side effects not listed above may also occur in some diseaseds. If you notice any other problems, check with your family doctor.