Acetaminophen overuse in children may cause nausea and vomiting, according to the U.S. Food and Drug Administration. However, the drug is generally safe to take when used as directed by the package label or physician. More »

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It is safe to alternate acetaminophen and ibuprofen every three hours, according to Ask Dr. Sears. Patients can also take acetaminophen if the effects of ibuprofen wear off within a six-hour period. Patients can take ibu... More »

www.reference.com Health Medications & Vitamins

Acetaminophen is an analgesic that affects the hypothalamus to prevent fevers, according to Medscape. In addition, it's thought that acetaminophen blocks nerve signals from pain nerves and reduces the amount of a hormone... More »

www.reference.com Health Medications & Vitamins

Common side effects of acetaminophen and codeine include nausea and vomiting, constipation and mild stomach upset according to Drugs.com. Drowsiness, dizziness and light-headedness are additional side effects of this med... More »

www.reference.com Health Medications & Vitamins Side Effects

Liver damage is the main side effect of taking too much acetaminophen, the active ingredient in Tylenol, with symptoms that include sweating, nausea, severe stomach pain and vomiting, explains Drugwatch. As symptoms of a... More »

www.reference.com Health Medications & Vitamins Side Effects

Side effects of CoQ10 are generally mild and include loss of appetite, stomach upset, diarrhea, nausea and vomiting, according to WebMD. The substance may also cause an allergic skin rash in some individuals, and it may ... More »

www.reference.com Health Medications & Vitamins Side Effects

Excessive iron consumption can cause stomach pain and upset, nausea, diarrhea, constipation and vomiting, according to WebMD. Though iron is an important supplement, too much of it can be dangerous. More »

www.reference.com Health Medications & Vitamins Side Effects