Its effect may last up to 6 hours. You may need to take ibuprofen for 2 to 3 days before you get the most pain relief. There Are So Many Nonprescription Pain Relievers Available. Drugstore shelves are filled with many pain remedies. Each one is advertised to be better and faster acting than the others.
Some brand s also contain substances called additives.
Combination products have some disadvantages. The additives can produce undesirable effects. For example, anti-histamines sometimes cause drowsiness. You may find this acceptable at bedtime, but it could be a problem during the day or while driving. In addition, additives tend to increase the cost of nonprescription pain relievers.