I bought these tablets after docter recommended me.i was having headache and fever and these tablets cure me very fastly.These tablet can also be used in pains like backpain, neckpain etc. The effect of these tablets can be seen in one hour. The duration of effect of these tablets is average 4-6 hours. But beside all these plus points, these tablets have some side effects like nausea, vomiting etc. But this tablet can be recommended for fever reduction and headache treatment.